Homework Help: Science: Biology

Recent Homework Questions About Biology

biology
how do van der Wheels forces hold molecules together? please help i tried but i still cant understand it. thank you so much.
Sunday, October 4, 2009 at 3:38am

Biology
Which part of the neuron stores neurotransmitters? My answer was the dendrite filaments. Is this correct?
Saturday, October 3, 2009 at 11:35pm

BIOLOGY
Botulism (a toxin produced by bacteria that causes food poisoning) and curare (a natural poison) inhibit the action of acetylcholine. What symptoms would you expect to find in someone exposed to botulism or curare? Provide an explanation for the symptoms.
Saturday, October 3, 2009 at 6:27pm

Advance Biology
Briefly summarize the differences between the words or phrases in each of the following. A reaction without an enzyme and a reaction with an enzyme.
Saturday, October 3, 2009 at 4:51pm

biology
the clinitest tablets specifically test for which of teh following: starch, hydrogen peroxided, guaicol, peroxidase, or none of the above. Is the answer starch or none of the above?
Saturday, October 3, 2009 at 4:50pm

Advance Biology
List 5 traits of enzymes.
Friday, October 2, 2009 at 8:19pm

Biology
Are chlorplasts necessary for the reduction of DCPIP? why or why not? and is light necessary for the reduction of DCPIP? why or why not? I
Friday, October 2, 2009 at 1:36pm

biology
does isomerism exist in double sugars?
Thursday, October 1, 2009 at 8:39pm

Biology
What are the genus and species of Dragonfly, Water Boatman and Caddisfly??? I've looked all over the internet and i cant find the answer!!!!
Thursday, October 1, 2009 at 7:50pm

Biology
We are classifying different pond organisms, and im stuck on paramecium because i know that it belongs to the protista kingdom, but when i look up the phyla it comes up as Ciliophora but the only ones we have to classify them with are Chordate, Mollusk, Annelids, Arthropod. ...
Thursday, October 1, 2009 at 7:28pm

biology
why is it difficult to descride a typical animal cell?
Wednesday, September 30, 2009 at 10:34pm

biology
cell membranes are selectively permeable. what does this mean?
Wednesday, September 30, 2009 at 10:32pm

Biology 12
briefly describe the process of endocytosis
Wednesday, September 30, 2009 at 10:10pm

Pre-AP Biology
why is it difficult to describe a typical animal cell?
Wednesday, September 30, 2009 at 9:46pm

BIOLOGY
Heat exhaustion caused by a person's exposure to heat can result in weakness or collapse. It usually involves a decrease in blood pressure. Explain why the homeostasis adjustment to heat can cause a drop in blood pressure. ---------- I'm not sure if I'm correct. ...
Wednesday, September 30, 2009 at 8:57pm

BIOLOGY
Which of the following organelles is found within a cell that is both eukaryotic and autotrophic? A lysosomes B ribosomes C rough endoplasmic reticulum D chloroplast
Wednesday, September 30, 2009 at 8:28pm

biology
Why is a large surface area : volume ratio needed for cells to function properly? a.Adequate surface area (plasma membrane) is needed to furnish nutrients to and expel wastes from the volume (cytoplasm). b. Smaller volumes reduce and larger surface areas reduce the cell's ...
Wednesday, September 30, 2009 at 8:27pm

biology
After being formed by the ribosomes located on the endoplasmic reticulum, what is the next organelle to which a protein could be transported? a.mitochondria b.smooth endoplasmic reticulum c.golgi apparatus d.nucleus
Wednesday, September 30, 2009 at 8:25pm

BIOLOGY
The springtail is a very common small insect that lives in rotten logs, rich soil, and other humid places. Its cuticle is water repelling (hydrophobic) except for a strange organ, the collophore, on its ventral side. Because it lacks the excretory organs of other insects, the ...
Wednesday, September 30, 2009 at 8:22pm

BIOLOGY
The plant cell's central vacuole a.provides the plant cell with support b.stores nutrients and cellular waste products. c.is a reservoir for water. d.All of the choices are correct.
Wednesday, September 30, 2009 at 8:20pm

BIOLOGY
From your knowledge of the size and density of cell components and the process of centrifugation, predict the order (from first to last) that the nucleus and organelles will be extracted? a.ribosomes-mitochondria and chloroplasts-nucleus-soluble cytoplasm b.nucleus-...
Wednesday, September 30, 2009 at 8:18pm

BIOLOGY
A high-powered microscope that produces an image from scattered secondary electrons is the a. immunofluorescence microscope b. bright-field light microscope. c. transmission electron microscope (TEM) d. scanning electron microscope (SEM). e. confocal microscope.
Wednesday, September 30, 2009 at 8:12pm

Biology
Describe the biological interrelationships among the life forms in the area. I already pick an area but what does biological interrelationships?
Tuesday, September 29, 2009 at 8:42pm

biology
Hydrogen bond v covalent how are they sim and diff Both involve chemical bonds where bonds are formed from electrostatic forces covalent bonds involve the sharing of electrons between atoms. Outer valence shells are filled by the sharing of atoms. This creates a strong bond ...
Tuesday, September 29, 2009 at 8:04pm

Biology
Relate to how the properties of water-evaporation, latent heat of vapourization, etc., contribute to drizzling rain causes flu, as opposed to pouring rain
Tuesday, September 29, 2009 at 7:06pm

Biology
Given the following: Pi + ADP → ATP The change in free energy (∆G) is greater than 0. Question: Can this be used to drive endergonic reactions?
Tuesday, September 29, 2009 at 1:52am

biology
Can someone please describe what a double helix looks like? I think it looks like fusilli pasta. Is this correct? I'm having a lot of trouble understanding what DNA looks like. Please help, thank you. I am visually impaired by the way.
Tuesday, September 29, 2009 at 1:11am

Biology
Which compound has the highest free energy and produces the most ATP when oxidized? A. acetyl CoA B. glucose C. pyruvate D. carbon E. both pyruvate and carbon I've spent the past hour looking for this answer within my textbook or through Google searches. I can't seem ...
Tuesday, September 29, 2009 at 12:17am

Biology
Which of the following are the final by-products of glucose oxidation during aerobic cell respiration? A. ATP only B. heat only C. carbon dioxide only D. both ATP and heat only E. ATP, heat, and carbon dioxide I know that the following equation is true of the oxidation of a ...
Monday, September 28, 2009 at 10:19pm

biology
what is heterotrophic Hypothesis? please explain well that i can understand because i am doing a research paper on it and i have no clue what it means
Monday, September 28, 2009 at 12:22pm

Biology
What monomer makes up a nucleic acid?
Sunday, September 27, 2009 at 8:40pm

Biology
I have two more questions. What carries secretions for export from cell? How do proteins and other substances get from ER to Golgi apparatus?
Sunday, September 27, 2009 at 7:34pm

Biology
What is a nonmembranous organelle? What is surrounded by double layer of membrane with pores?
Sunday, September 27, 2009 at 7:27pm

Advance Biology
What carries secretions for export from cell? What buds off lysosomes?
Sunday, September 27, 2009 at 5:12pm

biology
What is the difference between genetic mutation and transgenic organisms?
Sunday, September 27, 2009 at 2:57pm

biology
What will happen to the reaction without an enzyme?
Saturday, September 26, 2009 at 4:30pm

Biology/Chemistry
During a “perm”, disulfide bonds can be broken and reformed using which treatments, respectively? I think the answer is a. but can someone confirm this? a. an oxidizing agent followed by a reducing agent b. a reducing agent followed by the use of water c. an ...
Saturday, September 26, 2009 at 2:37pm

biology
hi do dendrites generate or conduct impulses and do axons transmit to and from the cell body or do they transmit it away. thanks jim
Friday, September 25, 2009 at 11:25pm

biology
create a mnemonic for the 6 kingdoms they maybe in any order but you must have all 6
Thursday, September 24, 2009 at 5:27pm

biology
what does the statement mean many discoveries lie in wait for the tools needed to make them? thank you.please i need the answer before i go to school in the morning. please help!
Wednesday, September 23, 2009 at 11:48pm

9th grade, Biology
Using what you know about osmosis, explain what would happen if you placed a jellyfish in a freshwater lake. I need help with this, please answer if you can, (:
Wednesday, September 23, 2009 at 9:44pm

Biology
What are some good places that have good simple info on Nucleic Acids? Thank you.. I already looked on google and there are no descent sites
Wednesday, September 23, 2009 at 8:28pm

biology
used for first focusing
Wednesday, September 23, 2009 at 7:54pm

biology
identify what all organic compounds have in common,and list the four principal classes of or organic compounds
Wednesday, September 23, 2009 at 7:02pm

biology
LIST AND EXPLAIN FIVE USES OF SCIENCE
Wednesday, September 23, 2009 at 5:36pm

algebra,biology
<biology knowledge background>: two Cys(amino acid's name) can form a disulfide bond. <the question>: If the eight Cys residues in ribonuclease are allowed to combine at random forming four disulfide bonds, there are 105 different combinations. Show ...
Wednesday, September 23, 2009 at 8:56am

Biology
I need to know this info about the Jack tailed Jackrabbit Originated: Invaded: Displacing: Steps to control them: if you could tell me the info or give me a site that would be great!
Tuesday, September 22, 2009 at 5:35pm

Biology
In the two-kingdom system, why were fungi classified in the kingdom Plantae?
Tuesday, September 22, 2009 at 4:35pm

Biology
name the three states of matter
Tuesday, September 22, 2009 at 3:23pm

biology
studying genetics in mammals where can i find out about felines and canines that are proven mainly allergen free, thought not genetically modified?
Tuesday, September 22, 2009 at 3:05pm

Biology
What is definite form?
Monday, September 21, 2009 at 7:59pm

Biology
Can you please describe the properties of water that account for its importance to living things? Thanks!
Monday, September 21, 2009 at 4:34pm

biology
what is genus taxa?
Friday, September 18, 2009 at 11:10pm

gr.12 biology
compare and contrast the characteristics of soluble and insoluble molecules.
Friday, September 18, 2009 at 7:50pm

gr.12 biology
What characteristics are typical of molecules that are gases at room temperature?
Friday, September 18, 2009 at 7:23pm

biology
A viral DNA is analyzed and found to have the following base composition, in mole percent: A= 32, G = 16, T = 40, C = 12. What can you immediately conclude about this DNA?
Friday, September 18, 2009 at 4:00pm

11th grade Biology
I have three questions that I can't find anywhere. 19) Organisms that are at the greatest risk when the dynamic equilibrium is upset would be the: A. Organisms at the top of the evolutionary tree B. Generalists C. Specialists D. Invertebrates E. All of the above 20) A ...
Friday, September 18, 2009 at 3:30pm

Biology
How do you measure starch on a food label?
Friday, September 18, 2009 at 8:21am

biology 11
what is the name of the chemical that is sometimes used to make a specimen visible on a compound light microscope?
Thursday, September 17, 2009 at 11:49pm

biology hon.
what is the function of the fine adjustment knob on a compound light microscope?
Thursday, September 17, 2009 at 11:48pm

biology
what does homeostasis means?
Thursday, September 17, 2009 at 11:19pm

Biology
A body uses up all of its energy. is there more energy released or less? Why?
Thursday, September 17, 2009 at 10:54pm

biology
hi i have a few questions 1)osmotic pressure Basically, i got that its the pressure opposing osmois. can you explain it to me ? 2)hydroltic pressure Im thinking that its the pressure that builds up due to a higher concentration. Must be like potiential energy.
Thursday, September 17, 2009 at 9:49pm

biology
A human cell has 10 ^14 cells and each cell has about 6.4 x 10 ^9 nucleotide pairs of DNA. What is the length, in cm, of double helix that can be formed from the total amount of DNA in a human individual?
Thursday, September 17, 2009 at 3:44pm

biology
The length of DNA HELIX occupied by one nucleotide pair is 3.4 angstroms. What is the length in angstroms of this unknown DNA fragment? How do you calculate Angstroms?
Thursday, September 17, 2009 at 3:42pm

Biology
When temperature falls it is said that the substance excreted most will be water because a person doesn't sweat in the cold hence the water in the body needs an outlet to escape. However it is also known that the metabolic activities are higher in the cold therefore there ...
Wednesday, September 16, 2009 at 5:27pm

BIOLOGY
PLEASE HELP ME! THANK YOU! The table shows the percentage of the body composed of water for various vertebrates. ANIMAL % OF BODY COMPOSED OF WATER herring 67 Frog 78 Chicken 74 Kangaroo rat 65 A)Which animal would you expect to have the most concentrated urine and why? B)The ...
Wednesday, September 16, 2009 at 4:45pm

biology
After a meal rich in starch, the blood with the highest concentration of sugar would be in what blood vessel? What are the 2 blood vessels containing blood with the highest concentration of oxygen? The websites given last time did not help, please can someone tell me the answers
Wednesday, September 16, 2009 at 3:28pm

11th grade Biology
Match the following.. 12. Moves in cycles from nonliving things to living things back to nonliving, etc. 13. Can be passed from one organism to another in a food chain. 14. Is constantly being lost from the biosphere. 15. Can be created by living organisms. 16. Involved in the...
Wednesday, September 16, 2009 at 1:35pm

Biology
What would you excrete in higher amounts in the cold weather? Many say water because water is retained in your body since sweating doesn't occur in the cold. However it is also known that metabolism is higher in the cold weather and hence more salts would be taken. What ...
Tuesday, September 15, 2009 at 8:20pm

biology
explain why a hypothesis is often defined as an educated an educated answer?
Tuesday, September 15, 2009 at 6:55pm

Biology
I need help with a crossword and I cant figure out what the words are too these clues: Possible opening found in the cell membrane substance which makes up cell walls granular material in the nucleus that thickens to become chromosomes the endoplasmic reticulum is a network of...
Tuesday, September 15, 2009 at 5:55pm

biology
what happens to the movement of molecules at equilibrium?
Tuesday, September 15, 2009 at 3:55pm

biology
thank you for anwering my question Ms.Sue i just need you to explain it further on the question earlier.Is a scientific hypothesis accepted if there is no way to demonstrate that th e hypothesis is wrong ? thank you. please i need the explanation today.
Tuesday, September 15, 2009 at 3:08am

biology
One of the way that a virus can avoid being detected by the immune system is to egress from the host cell by: a. lysis b. Excocytosis c. Direct cell cell spread d. budding
Monday, September 14, 2009 at 11:18pm

biology
how could scientific research have an impact on a society's decisions on making laws? please HELP thank you so much. i need the answer before i sleep.
Monday, September 14, 2009 at 10:42pm

biology
is a scientific hypothesis accepted if there is no way to demonstrate that the hypothesis is wrong? please explain. please help needed today. thank you.
Monday, September 14, 2009 at 10:35pm

Biology
Name the 4 types of bonds that carbons form.
Monday, September 14, 2009 at 5:31pm

biology
1. Toward what condition does diffusion eventually lead, in the absence of other influences? 2. How is osmosis related to diffusion? 3. If the concentration of solute molecules outside a cell is lower than the concentration in the cytosol, is the external solution hypotonic, ...
Monday, September 14, 2009 at 11:48am

Biology
What chemical sometimes used to make the specimen visible
Monday, September 14, 2009 at 11:29am

Biology
" Are hunters for or against managing predators?" what does this question mean? What does it mean by managing predator? Thank you!
Sunday, September 13, 2009 at 9:57pm

Repost- Biology
Will someone please help me out.. I have been posted these questions for 7 hours .. but no one has helped me out..please help me out..I got to figure it out within today..please.. 1. Which of the following is a biotic factor that might affect the life of a water-dwelling ...
Sunday, September 13, 2009 at 9:27pm

Biology
1. Which of the following is a biotic factor that might affect the life of a water-dwelling organism? A. Temperature of the water B. Speed of water current C. Pollutions in water D. Bacterial population in water My guess: D? 2. Which of the following things does NOT allow ...
Sunday, September 13, 2009 at 2:56pm

Biology
1. Are the third-order heterotrophs consumed by gungal decomposers? My guess:Yes? 2. Which of the following fixes atmospheric N2 (nitrogen gas)? A. photosynthesis B. symbiotic bacterianon the roots of legumes C. uv light D. decay organisms E. autotrophs My guess: B? 3. Which ...
Sunday, September 13, 2009 at 2:44pm

Biology
Stored energy is stored where in living tissue?? -Ecological pyramids worksheet
Sunday, September 13, 2009 at 12:25pm

Biology
hypoxia triggers increased ___ secretion? is it carbon monoxide? or erythropoietin? After oxygen diffuses into pulmonary capillaries, it diffuses into ___ and binds with __? a;interstitial fluid;RBC? b;interstitial fluid;C02? c;RBC:hemoglobin? d;RBC:C02?
Sunday, September 13, 2009 at 7:46am

Wild Life Biology
What are 5 different animal behaviors that are instictive? What brings these behaviors out? One is sense. Animals can sense their direction or prey.
Saturday, September 12, 2009 at 10:48pm

Wild Life Biology
What are 5 human behaviors that are instictive? What is the stimulus that brings out that behavior? I know that one is laughing. Something funny, surprising, or out of the ordinary can cause this behavior to happen.
Saturday, September 12, 2009 at 10:46pm

Wild Life Biology
Our environment changes rapidly with loss of animal habitat increasing daily. Why might an animal's insticts cost it it's life in this situation? So far all I can think of is the deer that sense a sourse of food on the oppiste side of a road. Which causes them to cross...
Saturday, September 12, 2009 at 4:53pm

Wild Life Biology
Animal Behaviors: If instict is physically based in the brain, and behaviors result from this brain structure, what would you hypothesis happens to the brain during learning?
Saturday, September 12, 2009 at 4:43pm

biology
Most automobiles have water-cooled engines. What must be true about a solution that can replace water in the cooling system, such as antifreeze? I know this is the second time I'm posting this question, but it's been hours and still no one's responding. Please help...
Saturday, September 12, 2009 at 4:33pm

biology
1. how do molecules of a polar compound differ from those of a nonpolar compound? 2. What happnens when ionic compounds are mixed with water? 3. what is capillarity? 4. Critical Thinking: Most automobiles have water-cooled engines. What must be true about a solution that can ...
Saturday, September 12, 2009 at 2:15pm

biology
why are there a lot of mitochondria? please help! thnanks!
Saturday, September 12, 2009 at 2:10pm

biology
what happens if a lysosome bursts in a cell?
Saturday, September 12, 2009 at 1:49pm

biology
4. Both photosynthesis and aerobic cellular respiration are examples of complex metabolic pathways, consisting of many linked chemical reactions that require enzymes to function. Briefly, explain two attributes of enzymes in catalyzing chemical reactions and in metabolic pathways
Saturday, September 12, 2009 at 12:54am

biology
Name 3 life forms that change over time. What changes about these life forms as time passes?
Friday, September 11, 2009 at 7:55pm

Biology - organic compounds
Give the generalized (reduced) formula for a carbohydrate.
Thursday, September 10, 2009 at 11:07pm

Biology - organic compounds
A long chain of three or more amino acids is called a what?
Thursday, September 10, 2009 at 11:07pm

Biology - organic compounds
Coumpounds having the same atoms in the same numerical ratio are called what?
Thursday, September 10, 2009 at 11:03pm

Biology, Burning of sugar..My theory
Can someone explain why, when sugar is burnt aerobically, it yields more energy than if it is burnt in anaerobic conditions? My thesis is that in aerobic conditions, there is an abundant supply of oxygen which can burn the sugar and thus, creating ATP (energy) which is limited...
Thursday, September 10, 2009 at 3:55pm

biology
I have some questions that relate to table 2.1 which lists the chemical elements that occur naturally in the human body. Similar percentages of these elements are found in most living organisms. a. In what abiotic (non-life) chemical forms are these elements often found in ...
Thursday, September 10, 2009 at 3:48pm

biology
Please help. Can you tell me how to find 1. what is the weight of 1 mole of pure sodium (Na)? 2. How many molecules of Na are in 1 mole of Na?
Thursday, September 10, 2009 at 3:43pm

anatomy/biology
what substance passes through a cell membrane using a solute pump?
Thursday, September 10, 2009 at 10:31am

college biology
give a liable explanation for food test.... include test for starch,, simple sugar,,, fat and protein ,,,, please include chemistry and chemical equations... thanks ... due tomorrow
Wednesday, September 9, 2009 at 10:14pm

biology
why has surprisingly little use been made of distillation of seawater as a source of driking water in arid areas?
Wednesday, September 9, 2009 at 10:05pm

Human & Social Biology
(1)briefly discribe five main ways in which human pollute their enviroument. (2) briefly outline four inportant social problem maybe reduce by a knowledge of biology (3)discribe how social biologist may help to solve the problem of (A) stravation (b) poor sanitation
Wednesday, September 9, 2009 at 11:47am

Human & Social Biology
(1)Briefly discribe five main ways in which human pollute their. (2)Briefly outline four inportant social problems maybe reduce by a knowledge of biologist.
Wednesday, September 9, 2009 at 9:41am

Human & Social Biology
(1)discribe how social biology may help to solve the problem o (a) stravation (b) Poor sanitation
Wednesday, September 9, 2009 at 9:36am

biology
can germinated then boiled seeds perform aerobic cellular respiration? why? can live germinating pea seeds perform aerobic cellular respiration? what about dry seeds that have not begun to germinate?
Monday, September 7, 2009 at 11:12pm

Biology
bio 1003 lab notes baruch Experimental setup 1 contains live, germinating pea seeds. Experimental setup 2 contains germinated then boiled pea seeds. Experimental setup 3 contains dry pea seeds that have not begun to germinate. Experimental setup 4 is a tube of phenol red and ...
Monday, September 7, 2009 at 11:10pm

Biology
Describe the interactions between organism and explain why they are important. Thank you!
Monday, September 7, 2009 at 7:21pm

biology
Why does ice float in liquid water?
Monday, September 7, 2009 at 6:22pm

Biology
What is interdependence of organisms?
Monday, September 7, 2009 at 5:19pm

biology
why does repiration work better at higher temperatures
Monday, September 7, 2009 at 12:16pm

Math 156
On a biology test, a student got 25 questions correct but did not pass. On a second attempt, the student got 32 questions correct. What was the percent of increase?
Saturday, September 5, 2009 at 10:31pm

biology
What are the 7 characteristics of living organisms?
Wednesday, September 2, 2009 at 7:48pm

Biology
What is the effect of carbon monoxide in the blood? I think its because carbon monoxide combines with the blood to form carbooxyhaemoglobin which reduces the amount of oxygen combining with haemogloblin.Hence a person suffers from lack of oxygen and consequently may die from ...
Wednesday, September 2, 2009 at 1:23pm

Biology
can anyone explain the heterotrophic hypothesis in more detail than the fact that the first organisms arose from the primordial soup? thanks!
Wednesday, September 2, 2009 at 12:32pm

biology
How do adaptive radiation, polyploidy, and sexual selection relate to speciation? And what is allopatric and sympatric speciation and how to they relate to the earlier mentioned topics?
Wednesday, September 2, 2009 at 1:43am

biology
What are three points of evidence that scientists used to develp the three-domain system?
Wednesday, September 2, 2009 at 1:41am

biology
How did the primordial atmosphere, photosynthesis, oxygen, the ozone layer, and the endosymbiotic theory influence the origin of living organisms?
Wednesday, September 2, 2009 at 1:40am

biology
What is the heterotrophic hypothesis and how can I explain it from both a biological and conceptual framework?
Wednesday, September 2, 2009 at 1:39am

biology
Is sugar polar or nonpolar and why? I think it's nonpolar, but I don't really know why... Please help. Thank you.
Tuesday, September 1, 2009 at 2:38pm

biology
a k selected population is characterized by a. extensive parentalcare b, many offspring in one reproductiveperiod c. large eggs d. high death rate e. short life span Im stuck between a and c Please help!
Sunday, August 30, 2009 at 11:14pm

Biology
Read Scientific Inquiry, Controlled Experiments Then and Now, pages 6-7 of your textbook. Start by observing the living species around you. Ever wonder why a pollinator is attracted to a particular flower, or what would happen to predator species if a particular prey species ...
Sunday, August 30, 2009 at 10:32pm

Biology
I have to come up with a theoretical experiment that would test whether the consumption of a certain food, i.e. strawberries is related to having a healthy heart. My plan was to measure the health of a person's heart prior to the study through EKG, cardiac workup, etc. and...
Sunday, August 30, 2009 at 10:14pm

biology
most of the total mass of a plant comesfrom which source? Nitrogen Oxygen Carbon Dioxide Water Hydrogen Is is carbon dioxide?
Sunday, August 30, 2009 at 2:53pm

biology
which of the following statements are true there are 2 polar covalent bonds in water there are 3 ionic bonds in water there is 1 ionic and 1 covalent bond in water electrons are less attracted to oxygen than hydrogen
Friday, August 28, 2009 at 9:37pm

biology
which of the following atomic numbers indicates the element with the highest valence number 6 8 10 14
Friday, August 28, 2009 at 9:34pm

biology
the combinded number of ? will determine the number of electrons in orbital around a neutral atom
Friday, August 28, 2009 at 9:28pm

biology
three and 14c have different number of isotopes of carbon 12c 13c and 14c have different number of electrons protons neutrons
Friday, August 28, 2009 at 9:27pm

biology
which of the following has a basic ph lemon juice milk of magnesia tomatoes hydrochloric acid
Friday, August 28, 2009 at 9:25pm

biology
which bond is easily broken
Friday, August 28, 2009 at 9:18pm

biology
Read Scientific Inquiry, Controlled Experiments Then and Now, pages 6-7 of your textbook. Start by observing the living species around you. Ever wonder why a pollinator is attracted to a particular flower, or what would happen to predator species if a particular prey species ...
Friday, August 28, 2009 at 5:07pm

biology
What two steps are involved in the transfer of information from a gene to the final protein product?
Friday, August 28, 2009 at 12:54pm

biology
what is afaptation
Thursday, August 27, 2009 at 9:12pm

Biology
What does orderly structure mean?
Thursday, August 27, 2009 at 7:21pm

biology
which animals eat butterflies? i know that birds do feed on butterflies even though they are hard to catch, but what else? please tell me any other animals that feed on butterflies. thanks you.
Thursday, August 27, 2009 at 1:52pm

9th grade biology
a fatty acid with the maxium number of hydrogen atoms possible is
Wednesday, August 26, 2009 at 8:30pm

Biology
What does biology translate into Greek?
Wednesday, August 26, 2009 at 5:14pm

biology
I' like to know about names of the common plants and fish or animals in the sea. Would you name common names and let me know a good website where I can learn those names with pictures?
Wednesday, August 26, 2009 at 5:10pm

biology
describe a biological system
Tuesday, August 25, 2009 at 5:49pm

Biology
How does a theory provide a framework for the way scientific investigations are conducted? Identify a theory that served for a time and was then supplanted. Compile what you know about the theory, and the effect of the wrong theory on the way people thought. I really just need...
Sunday, August 23, 2009 at 12:01pm

12th grade Biology
How can i describe the science behind IVF?
Sunday, August 23, 2009 at 4:35am

biology
How is the cell and organelle related?
Wednesday, August 19, 2009 at 8:39pm

Science
HI, i want to make Working models on these subjects. 1. Climate Change 2. Green Energy 3. Biology Human welware 4. Information and communication technology 5. Mathmatics in everyday life 6. Science and technology in games and sports 7. middle Sciece Please Suggest me what ...
Monday, August 17, 2009 at 2:22pm

biology
Mr. Smith have three sons. Mrs. Smith is pregnant and believes she is having another son. Mr. smith disagrees and says that because they have three sons the next child has a greater chance of being a daughter. Who is correct? Explain your answer.
Saturday, August 15, 2009 at 8:36am

biology
how a person's cells could contain three sex chromosmes? XXY.
Saturday, August 15, 2009 at 8:32am

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