Sunday
December 11, 2016

Homework Help: Science: Biology

Recent Homework Questions About Biology

biology help please :)
Two chemists measure the densities of an unknown metal sample. They both find that the sample has a density of 8.94 g/mL. Chemist A uses a chart and says that the metal must be copper since the density of copper is exactly 8.94 g/mL. Chemist B says that the metal could be a ...
Saturday, January 2, 2016 by basketball&batman

Biology
Explain the ramifications to the process of transcription if the following occurs: A) The termination sequence of a gene is removed
Friday, January 1, 2016 by Rose

biology
what are the main similarties and differences between the three main food groups,carbohydrate,proteins and fats?
Friday, January 1, 2016 by jacob

Biology :)
Consider the following situation. A cell is in a solution that contains dissolved oxygen. As the cell uses oxygen for respiration, a. oxygen will be carried across the cell membrane by special transport molecules. b. oxygen will naturally diffuse out of the cell. c. no ...
Thursday, December 31, 2015 by Anonymous

1 Biology question please :)
Osmosis is the process in which _______ diffuses across a cell membrane. a. water b. energy c. protein d. oxygen I think its a
Thursday, December 31, 2015 by Anonymous

Biology
3'-GGCACTCGCATAATATTCGCCATGGCT -5' In the DNA sequence above, how do i identify the promoter region..
Thursday, December 31, 2015 by Rose

English
If you are in line early, youll be sure to get the best tickets. A. Compound-complex B. complex C. Compound D. SImple 2. Heather is in charge of decorations, and Enrique is bringing snacks. A. simple B. Compound C. Complex D. Compound-complex 3. My two dogs are named Hannah ...
Friday, December 18, 2015 by Mckenna

biology
which ion would cease being taken up if the plant is treated with a metabolic poison that inhabits ATP synthesis ? give a reason
Friday, December 18, 2015 by seraphine

Biology
Describe the characteristics of living things and provide examples to illustrate your description. I have all my characteristics but I need one example. Here is my characteristic: Living things grow
Thursday, December 17, 2015 by Anonymous

Biology
Given the inefficiency of two of the pathways shown in figure 9-4, what advantage could there be to using these pathways to produce energy?
Thursday, December 17, 2015 by Anonymous

english
Through my degree in Biology I became experienced with statistical analysis as well as writing literature reviews. Are there any grammar errors in that sentence?
Thursday, December 17, 2015 by ann

Biology
Rank the following from most acidic to least acidic. sample pH bleach 12.5 coffee 4.2 rainwater 5.4 soap 10.1 My answer: Bleach, Soap, Rainwater,Coffee Is that right?
Thursday, December 17, 2015 by Anonymous

Biology
what can you say about the amount of hydrogen ions relative tot he amount of hydroxide ions in a solution that has a pH of 2?
Tuesday, December 15, 2015 by Aidan

Biology
What effects does epinphrine have on the excretory and endocrine systems.. i cant find any sites to help
Tuesday, December 15, 2015 by Rose

English (Cover Letter)
I suppose that I need to place a comma after "statistics", since the first phrase seems like it is a dependent clause. Am I right? "Through my Bachelor’s degrees in Biology and Statistics from XYZ University I developed a desire to work in a research ...
Tuesday, December 15, 2015 by Rema

biology
Which characteristic do glycogen and starch share?
Monday, December 14, 2015 by Perla Mayorga

Biology
How do changes in DNA affect changes in adaptations? (I am of the assumption that changes in DNA spur the adaptations that take place--at least those through genetic mutation--and thus the adaptations that are most beneficial prevail. May I please have some clarification? ...
Sunday, December 13, 2015 by Samantha

Biology
What is the end result of the cell cycle and mitosis? Are daughter cells identical
Sunday, December 13, 2015 by Anonymous

Biology
As you go up the energy pyramid __% of the energy is loss at each level and only __% remainds. In what form is this energy lost as? ___ First blank 10%
Sunday, December 13, 2015 by Anonymous

Biology
The endocrine system a. affects only the reproductive system b. releases hormones into the bloodstream c. competes with the nervous system d. is made up primarily of glands with ducts I chose d. Is this correct? I want to make sure.
Sunday, December 13, 2015 by Peeps (BtsArmy)

Biology
3grams of ammonium chloride has been added to 20mL of water. The initial temperature of the solutionis 18.0 degrees, and once the ammonium is added to the water, the temperature declines to 11 degrees. Given the following information, calculate the enthalpy of solution per ...
Sunday, December 13, 2015 by Adeline

english
1.Which literary device is used in the following sentence? According to that report, these special materials can bend "radar light, or other waves around an object like water flowing around a smooth rock in a stream." A.simile B.metaphor C.alliteration D....
Sunday, December 13, 2015 by GummyBears

Biology
As you go up the energy pyramid __% of the energy is loss at each level and only __% remainds. In what form is this energy lost as? ___ First blank 10% That's all I know
Saturday, December 12, 2015 by Anonymous

Biology
The wird diversity in biodiversity refers to what
Saturday, December 12, 2015 by Anonymous

Biology
What is the main subunit of DNA Nucleotides?
Saturday, December 12, 2015 by Anonymous

Biology
light energy is converted to chemical energy in the process of Photosynthesis? The process where plants transfer solar energy into chemical energy to make organic molecules (glucose) is known as Photosynthesis also>?
Saturday, December 12, 2015 by Anonymous

Biology
Mutualism Commensalism Predation Parasitism Name the relationship A tick on a dog PArasitism A lion eating a zebra Prdation A roundworm in a human intesteine Parasitism A fly living on the back of a rhino Commensalism A clown fish living in coral clown fish cleans coral and ...
Saturday, December 12, 2015 by Anonymous

Biology
What is the end result of the cell cycle and mitosis? Are daughter cells identical
Saturday, December 12, 2015 by Anonymous

Biology
A. Proteins B. Carbohydrates C. Lipids D. Nucleic Acids Fatty Acids C Made of Amino Acids A Another name for sugars B Starches belong to these B Help build muscles A Immediate source of energy B Long term source of energy C Has the most calories per gram B DNA and RNA D ...
Saturday, December 12, 2015 by Anonymous

Honors Biology
Elizabeth is married to John, and they have four children. Elizabeth has a straight nose (recessive) and is able to roll her tongue (dominant). John is also able to roll his tongue, but he has a convex (Roman) nose (dominant). Of their four children, Ellen is just like her ...
Wednesday, December 9, 2015 by Hayley

Biology
What is chromatin and what does it turn into and how does it arrange itself? Chromatin forms chromosomes during cell division and consists of DNA RNA and proteins. It turns into separate structurs called chromosomes. Idk how it arranges itself
Tuesday, December 8, 2015 by Anonymous

Biology (Check, Please!)
Describe why an r-strategist might be better suited for an unpredictable environment than a K-strategist is. A: An r-strategist might be better suited for an unpredictable environment than a K-strategist because they grow exponentially when environmental conditions allow them ...
Monday, December 7, 2015 by Victoria

Biology
Need help on the deciding which releases the most energy - fermentation or cellular respiration. I read fermentation is quicker but didn't know if it necessarily released the most. Thanks...
Monday, December 7, 2015 by Brandi

Biology (Please, Help Me!)
Please, help me! Differentiate a logistic growth pattern from an exponential growth pattern.
Monday, December 7, 2015 by Victoria

Biology (Check, Please!)
Describe why an r-strategist might be better suited for an unpredictable environment than a K-strategist is. A: An r-strategist might be better suited for an unpredictable environment than a K-strategist because they grow exponentially when environmental conditions allow them ...
Monday, December 7, 2015 by Victoria

Biology
summarize the reproductive cycle of pines
Sunday, December 6, 2015 by Jena

Biology
There is a loud crash in the room behind you and you jump. which part of your nervous system caused that response/ A. somatic nervous system? C. central nervous system D. sympathetic branch E. parasympathetic branch My teacher told me b was wrong so that's why it's ...
Saturday, December 5, 2015 by Sherianna

Biology
Are proteins, lipids, starch, sugar, calcium (ion), iron (ion), and chlorine (ion) in blood plasma? if they are explain its function in the body.
Saturday, December 5, 2015 by Daniela

Biology
Results of an acrostic poem
Friday, December 4, 2015 by Kamiya

Biology Check my work please
The Hershey-Chase experiment proved that DNA was the hereditary material because. a) radioactive phosphorus in viral proteins was shown not to enter bacterial cells b) radioactive phosphorus in viral DNA was shown to enter bacterial cells **** (my choice) c) radioactive sulfur...
Friday, December 4, 2015 by sammy

biology check answers please
The Hershey-Chase experiment proved that DNA was the hereditary material because. a) radioactive phosphorus in viral proteins was shown not to enter bacterial cells b) radioactive phosphorus in viral DNA was shown to enter bacterial cells **** (my choice) c) radioactive sulfur...
Thursday, December 3, 2015 by sammy

Biology: Genetics
How do nucleotides and hydrogen bonds affect the structure of DNA? Maybe something like nucleotides make up DNA and hydrogen bonds hold the nitrogenous bases together? Can you help me explain?
Wednesday, December 2, 2015 by Derpy Pegasus

Biology
What does your body need oxygen for A. It is necessary to aerate the brain C. Cells need it to produce the energy they need to function D. Air flow aids in blood flow within the blood vessels E. It produces hemoglobin, needed to carry carbon dioxide My teacher said letter b ...
Wednesday, December 2, 2015 by Keon

biology
A category within biology that deals with the physical and chemical functions. A. Physiology B. Philosophy C. Psychology D. Physiopathology I believe it's B?
Wednesday, December 2, 2015 by Luxine

biology
Which of the following organelles is common to both prokaryotic and eukaryotic cells? Cytoskeleton Nucleus Nucleolus
Monday, November 30, 2015 by kevin

Math (prob)
The probability of an outstanding student pass a biology test is 60%. If he takes three test, which are the experimental results for each test? My doubt is if I should consider the pass=.6 since the first event or when it mentions that the probability is .6 and he takes three ...
Saturday, November 28, 2015 by Bet

Math (prob)
The probability of an outstanding student pass a biology test is 60%. If he takes three test,which are the experimental results for each test? Please, help me to understand.
Friday, November 27, 2015 by Bet

Biology
How can i design an experiment to determine which wavelengths of light provide the optimal energy for photosynthesis
Thursday, November 26, 2015 by Rose

Biology
How do you think increasing temperature would affect the rate of photosynthesis?
Thursday, November 26, 2015 by Rose

Math (prob)
The probability of an outstanding student pass a biology test is 60%. If he takes three test,which are the experimental results for each test? Please, help me to understand.
Thursday, November 26, 2015 by Bet

Biology
What can you say about the amount of hydrogen ions relative to the amount of hydroxide ions in a solution that has a pH of 2?
Sunday, November 22, 2015 by Malcolm

biology
A researcher is collecting qualitative data pertaining to social behaviors of deer at different times of the day. How will she most likely need to organize this data?
Saturday, November 21, 2015 by Anonymous

Biology
6. The gene for a large single eyeball is coded by the gene sequence TTCGCTGAA. Let’s go through transcription… DNA Strand- T-T-C-G-C-T-G-A-A mRNA Strand- _____________________________ 7. Now, let’s look at the gene for green body color, which is GGACTCTAG. With...
Friday, November 20, 2015 by Anonymous

Biology Check answers
1.   Which of the following correctly describes the image below?    protein Molecule RNA Molecule amino Acid carboxylic Acid 2.   Glucose and fructose are monosaccharides that have the same chemical formula, C6H12O6. However, they do not react...
Friday, November 20, 2015 by Anna

Biology
.) CAGTGCAT _________ a) CGGTGTCT 2.) TGACTAAG _________ b) ACTGATTC 3.) GCCACAGA _________ c) GTCACGTA
Thursday, November 19, 2015 by OP

Biology
Find the complimentary DNA sequence after going through DNA replication… 1) AAGTCCAT a) ACTGAATG 2) TGACTTAC b) CGGAGTTT 3) GCCTCAAA c) TTCAGGTA
Thursday, November 19, 2015 by Anonymous

Biology
What does synthesize mean in biology
Tuesday, November 17, 2015 by Anonymous

Biology
how does a plant store the carbohydrates it produces in photosynthesis
Tuesday, November 17, 2015 by Anonymous

Mathematics
A survey of 100 students produced the following statics: 32 study mathematics, 20 study physics, 45 study Biology, 15 study mathematics and biology, 7 study mathematics and physics, 10 study physics and Biology, 30 do not study any of the three subjects 1, Present the ...
Tuesday, November 17, 2015 by Mesh

biology
The purines in DNA are A. thymine and cytosine B. thymine and guanine C. adenine and guanine D. adenine and cytosine
Tuesday, November 17, 2015 by abdu

Biology
What is the overall chemical formula for photosynthsis? 6Co2+6H2O--->C6H12O6+6O2 Where does the energy come from in photosynthesis? From Sunlight? What is the relationship between photosynthesis and respiration Photosynthesis makes the glucose that is used in cellular ...
Monday, November 16, 2015 by Anonymous

why does photosynthesis require energy
biology
Monday, November 16, 2015 by Skay

biology
how can hormones can be duplicated and transformed into medicine ?
Monday, November 16, 2015 by lilllly

biology
state one reason why the concentration of glucose in the blood decreases.
Monday, November 16, 2015 by Eman

Biology
state one reason why the concentration of glucose in the blood increases.
Monday, November 16, 2015 by Eman

biology
Describe in a short answer the history of the discovery of DNA
Monday, November 16, 2015 by lori

Biology
simulate a 24 hour day 12 hours of light 12 hours of dark how many snails and plants do you ened to keep a stable environment
Saturday, November 14, 2015 by Anonymous

Biology
Animals breathe in ___ and breathe out __ In sunlight plants take in ___ and realease __
Saturday, November 14, 2015 by Anonymous

Biology
What gas do plants give off in the light
Saturday, November 14, 2015 by Anonymous

Biology
Why don't we run out of the important gases that we need to stay alive?
Saturday, November 14, 2015 by Anonymous

Biology
Tay-Sachs disease is a hereditary disease that kills 1 in 360,000 individuals in the general population. Individuals homozygous for the defective allele have Tay-Sachs disease and die at an early age.Studies show that heterozygous individuals have a higher rate of survival ...
Friday, November 13, 2015 by Alexander

Biology
A recessive sex-linked allele (h) located on the X chromosome increases blood-clotting time, causing hemophilia. a. With the aid of a Punnet square explain how hemophilic offspring can be born to normal parents? My work: Hemophilic offspring could be born to normal parents ...
Friday, November 13, 2015 by Alexander

Biology 30
For ABO blood groups in the humans, the A and B genes are codminant. Both A and B are dominant over O a. Identify the possible blood types in the children of a man with blood type O and a woman with blood type AB. My work: The possible blood types that the children could have ...
Friday, November 13, 2015 by Alexander

Biology
How do nucleotides and hydrogen bonds affect the structure of DNA? Maybe something like nucleotides make up DNA and hydrogen bonds hold the nitrogenous bases together?
Friday, November 13, 2015 by Lana

Biology
What does it take to be a living organism? Living things share 8 characteristics that are listed in Chapter 1 of your textbook on page 19. Think of an organism or cell in which all 8 characteristics are not obvious. For example, coral looks like it does not move, red blood ...
Friday, November 13, 2015 by Pulasthi

biology
3. A cylinder and an airtight piston are used in the following experiment. The piston is pushed up and down in the cylinder and the resulting pressure of the air inside the cylinder is measured with a pressure gauge. The results of the experiment are recorded in the following ...
Thursday, November 12, 2015 by kado

William Pescod High School
History, tourism, biology and mathematical literacy What can I become with these subjects?
Thursday, November 12, 2015 by Mahmood

Biology
What is formed when water molecules breaks apart?
Wednesday, November 11, 2015 by Aly

pre algebra
in a math class with 31 students 27 earned a passing grade in a biology class with 21 students 17 earned a passing grade... what fraction of the math students earned a passing grade
Tuesday, November 10, 2015 by tiawannnia

biology
Which of the following processes releases energy to be used by a cell? a phosphate group is added to ATP to form ADP. a phosphate group is removed from ADP to form ATP. a phosphate group is added to ADP to form ATP. a phosphate group is removed from ATP to form ADP. not sure ...
Monday, November 9, 2015 by anna

biology
How can i get air in a bag, into a beaker of solution?
Thursday, November 5, 2015 by rose

Biology
If 25 individuals were alive in 1955 and 500 existed in 2013, what is r? Show work please! a) 475 b)2.99 c)0.052 d)0.029
Thursday, November 5, 2015 by Need Help Urgent

Biology (or math)
What is the surface area to volume ratio of a cube with a with of 4 cm. I think its 1.5:1
Thursday, November 5, 2015 by Joe

Biology (bobpursley)
1) Describe how comparing the anatomy of living species provides evidence of evolution. A: Comparisons of the anatomy of different types of organisms often reveal basic similarities in body structures even though the structure's functions may differ between organisms. For ...
Wednesday, November 4, 2015 by Victoria

Biology (CHECK)
Describe how comparing the anatomy of living species provides evidence of evolution. A: Comparisons of the anatomy of different types of organisms often reveal basic similarities in body structures even though the structure's functions may differ between organisms. For ...
Wednesday, November 4, 2015 by Victoria

Biology (Answer Check)
State how comparing the amino acid sequence of a protein can provide evident that evolution has taken place. A: If evolution has taken place, then, in general, species descended from a recent common ancestor should have fewer amino acid differences between their proteins than ...
Wednesday, November 4, 2015 by Victoria

Biology
Which of the following is a NOT function of a vacuole? packing of materials transport of materials storage of materials breakdown of materials I'm confused. I know that vacuoles store materials, in other words, C is not correct since it's true. But the rest are wrong ...
Tuesday, November 3, 2015 by SkatingDJ

Biology
Will a channel protein allow any molecule to pass through it
Tuesday, November 3, 2015 by Geo

Biology
What must a cell membrane have imbedded in it to allow facilitated diffusion to happen
Tuesday, November 3, 2015 by Geo

biology
Determine the effective population size of the current population located on an island. You conduct a census and determine there are about 1500. -Your initial survey indicated that there are 500 juveniles (Smaller, with no horns) on the island. What would you consider the ...
Saturday, October 31, 2015 by John

Biology
Needed to transport proteins and lipids throughout cytoplasm. Must be able to work within complicated membrane passages. Some positions involve work with ribosomes
Saturday, October 31, 2015 by Anonymous

english
eaping upstream, we fished most of the day for salmon. At the age of ten, my family took a trip to Washington, D.C. Skimming every chapter, the biology textbook made more sense. I need help with Dangling modifiers. We fished most of the day for salmon that were leaping ...
Saturday, October 31, 2015 by Jennifer

English
Are these correct sentences: Leaping upstream, we fished most of the day for salmon. At the age of ten, my family took a trip to Washington, D.C. Skimming every chapter, the biology textbook made more sense. I need help with Dangling modifiers.
Friday, October 30, 2015 by jennifer

Biology
Explain the processes that take place in the stroma including the reactants going in and the products produced from these processes in (a) bright sunlight and in (b) darkness. (c) What happens over an extended period of darkness of many days? I don't understand this I didn...
Friday, October 30, 2015 by Anonymous

biology
I allow things to enter and leave the cell. if I don't think you're helpful to the cell I wont let you in. Who am I?
Thursday, October 29, 2015 by Clarissa

Biology
what do the following do in a cell: Smooth endoplasmic reticulum Mitochondrion Ribosomes Golgi apparatus Nuclear envelope
Thursday, October 29, 2015 by Anonymous

Biology
A horse breeder has a black horse named Luca and he isn't certain about the horse's genetics. A purebred horse will be worth much more than a hybrid horse so he compiled all the information about the Luca and Luca's parents before approaching you. - Black is the ...
Thursday, October 29, 2015 by Anonymous

Biology
There are at least 4 different ways that humans have genetic variation, a. Using one of these four ideas explain why you do not look like another person in this room. b. To continue further with this thought use another one of the genetic variation ideas and explain why you ...
Thursday, October 29, 2015 by Judy

mathematics
in a class of 60 students, the number of students who passed biology is 6 more the number of student who passed chemistry. Every student passed at least 1 subject and 8 passed both subject. How many passed chemistry
Thursday, October 29, 2015 by conan

Biology
What are good ways to remember what the Cytoplasm, Golgi apparatus, vesicles, etc do? I have a hard time remembering all the cell organelles
Wednesday, October 28, 2015 by Geo

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Homework Help: Science