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November 23, 2014

Homework Help: Science: Biology

Recent Homework Questions About Biology

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Life-Span Development
I need for someone to check my questions letters that I match up to the answers that I chose Here are the questions 1. Concrete Operational Stage (I chose d) 2.Egocentrism (I chose i) 3.Formal Operational Stage (I chose h) 4.Influences on the Development of Self Concept (I ...
Saturday, November 22, 2014 at 9:24pm

Biology
I think this is a shot in the dark, but worth a try. I have the Biology: Life on Earth by Audesirk, Audesirk & Byers 10th edition bought used online, apparently there are some pages missing in the book, so I can't do my homework, if anyone has the book could, you help me ...
Saturday, November 22, 2014 at 8:02pm

biology
Are Lilac flowers vascular or non vascular
Saturday, November 22, 2014 at 6:05pm

Biology
Would glucose be considered a reactant in glycolysis? Also, some sites are saying that 4 ADP molecules are also reactants, but I don't understand how?
Saturday, November 22, 2014 at 4:04pm

Biology
How do the two ATP molecules charge the glucose molecule in glycolysis?
Saturday, November 22, 2014 at 2:59pm

biology
the manufacturer of carbohydrates, fats, and proteins. whats the word to this definition?
Thursday, November 20, 2014 at 10:14pm

biology
the release of waste into the enviroment. i need the word to this definition.
Thursday, November 20, 2014 at 10:07pm

biology
the breakdown of food by enzymes. What is the word that goes with this definition?
Thursday, November 20, 2014 at 9:52pm

Biology*STUCK*
A group of students was asked to list some of the similarities and differences between prokaryotic cells and eukaryotic cells. They created the table shown above. The students made a mistake in creating their table. Which statement best describes their mistake? a) Both ...
Thursday, November 20, 2014 at 9:25pm

Biology
Is a Lilac Flower: a) Vascular or non-vascular b) Gymnosperm or angiosperm c) Monocot or a dicot My Work i know c) is dicot but i am not sure of the other two
Thursday, November 20, 2014 at 7:39pm

Biology
Which alga is most closely related to plants? A) Chara B) Kelp C) Ulva D) Diatom E) Euglena I think it's chara, because it is green algae, but I'm not sure. Can you explain to me why it is or not?
Thursday, November 20, 2014 at 7:03pm

ap biology
The best conclusion concerning delta is that the cells a. contain no DNA. b. contain no RNA. c. contain only one chromosome that is very short d. are actually in the G0 phase e. divide in the G1phase Explain your choice: Would it be d?
Wednesday, November 19, 2014 at 12:43am

biology
cystic fibrosis is caused by a recessive allele. A child has cystic fibrosis, even though neither of his parents has cystic fibrosis. If this couple has another child, what is the probability he or she will NOT have cystic fibrosis ?
Monday, November 17, 2014 at 1:40am

Biology *CHECK PLEASE*?
Signals that help the body process and respond to information from the environment are ________________. active transport nerve impulses equilibrium Is it Active transport ?
Thursday, November 13, 2014 at 8:41pm

Biology*STUCK*
The fluid mosaic model describes the structure of the plasma membrane. Embedded within the plasma membrane are proteins and carbohydrates that contribute to the term mosaic. Glycolipids and glycoproteins are examples of carbohydrates on the surface of red blood cells that ...
Wednesday, November 12, 2014 at 8:44pm

Biology*STUCK*
The fluid mosaic model describes the structure of the plasma membrane. Embedded within the plasma membrane are proteins and carbohydrates that contribute to the term mosaic. Glycolipids and glycoproteins are examples of carbohydrates on the surface of red blood cells that ...
Wednesday, November 12, 2014 at 7:19pm

biology
if a color blind woman marries a man with normal vision,how do you set up punnett square?
Wednesday, November 12, 2014 at 3:26pm

Biology
When the CO2 concentration in the cells of a C3 plant is low compared with the O2 concentration, an enzyme combines RuBP with O2 rather than with CO2. What effect would this enzymatic change have on photosynthesis? Under what environmental conditions would it be more likely to...
Wednesday, November 12, 2014 at 2:24pm

biology
biolgist concludes that a molecule moves across cell membrane by facilitated diffusion because the molecule is small, polar and can accumulate inside cells even when its concentration inside the cell initially is higher that it is outside the cell and they use up more energy ...
Tuesday, November 11, 2014 at 5:00pm

biology
1. What allows a cell to stockpile substances in greater concentration than they occur outside the cell? is it active transport? 2. The sodium potassium pump prevents the accumulation of what ions inside the cell? 3. Conduction of nerve impulses is possible because of what? ...
Tuesday, November 11, 2014 at 4:53pm

biology
need help few questions 1. a signaling cell produces a signal that is detected by what type of cell? 2. If the interior of a typical cell is negatively charged, what type of charged ions will not require energy to diffuse into the cell using an ion channel? 3. Receptor ...
Tuesday, November 11, 2014 at 4:46pm

Biology
What is the relationship between the major body systems; Coordination systems through Homeostasis
Monday, November 10, 2014 at 3:22pm

biology
Various forms of a trait may be more or less ________ under given environmental conditions.
Monday, November 10, 2014 at 12:57pm

biology
Colour blindness is a recessive disorder. If a colour blind male is crossed with a normal female, what are the possible genotypes and phenotypes of the offspring
Thursday, November 6, 2014 at 8:17pm

Biology
What are the macromolecules DNA and RNA referred to as? Proteins Carbohydrates Nucleic acids
Thursday, November 6, 2014 at 7:49am

biology
What does the word cycle tell you about the chemical reactions of the Calvin cycle?
Wednesday, November 5, 2014 at 4:08pm

biology
which of the following types of cells need to make energy to perform basic functions like growing, moving, and reproducing? -animal cells -animal cells and bacteria cells -animal cells, bacteria cells, and plant cells -plant cells
Monday, November 3, 2014 at 9:11pm

biology/cells
what cells can make energy from sugar molecules? -only plant and animal cells -only animal cells -plant, animal, bacteria, and protist cells -only plant cells
Monday, November 3, 2014 at 8:47pm

Biology
The scientist analyzes the insulin molecules, which are proteins, of three different species, A, B, and C. The insulin from A is different from B in six ways and from C in three ways. The insulin from B is different from C in two ways. Which two species appear to be most ...
Monday, November 3, 2014 at 5:57pm

Biology
Please Give 10 statements to prove that plants can reproduce sexually.
Wednesday, October 29, 2014 at 9:04pm

can someone help me with biology
please
Wednesday, October 29, 2014 at 12:17am

BIology
please answer mine ms sue if you can. if not, can you please say you cant
Tuesday, October 28, 2014 at 8:20pm

Please help
can you please look at Tevon Pitts's Biology Question please
Tuesday, October 28, 2014 at 7:53pm

Biology
What is the advantage of highly folded membranes in a cell? Name an organelle that uses this strategy?
Tuesday, October 28, 2014 at 7:44pm

Biology
What is the advantage of highly folded membranes in a cell? Name an organelle that uses this strategy.
Tuesday, October 28, 2014 at 7:15pm

biology
dont even know where to start You prepared a 10-fold dilution of a culture out to 10-9. You initially estimated there were between 3 x 108 cells/ml and 5 x 109 cells/ml in the original cell suspension. Which tube dilutions would you plate to ensure you captured significant ...
Monday, October 27, 2014 at 12:16am

biology
You carried out a 10-fold dilution series. You started with tube 0 which contained an overnight culture of E. coli. You estimated the original culture contained 6 x 108 cell/ml using McFarland nephlemeter standards. You plated 0.1 ml volumes of a number of the dilutions. Which...
Monday, October 27, 2014 at 12:15am

Biology
Compare ad contrast indirect versus direct values of biodiversity and provide two examples?
Friday, October 24, 2014 at 2:03pm

biology
what is contracting subunit of skeletal muscle called
Thursday, October 23, 2014 at 11:23pm

Biology
1. Mitochondria and chloroplasts reproduce the same way free-living bacteria do—by _____________. My answer: Binary fission. 2. The tropism that allows seedlings to find their way out of the soil and into the sunlight is _________________. My answer: Positive tropism. &...
Thursday, October 23, 2014 at 4:44pm

biology
Which characteristic of life is maintaining a stable internal environment. A)Reproducing B)Homeostasis C)Growing and developing D)Responding to stimuli
Thursday, October 23, 2014 at 12:18pm

biology
why meiosis is named as meiosis 1and2?
Thursday, October 23, 2014 at 11:21am

PSYCH/SOCIOLOGY!!!
Should I take psychology before sociology or take sociology before psychology. Like saying "You can't do well in chemistry unless you finish biology"
Wednesday, October 22, 2014 at 6:34pm

BIOLOGY
Which of the following is/are true about where electrons end up? The last molecule of the ETC in the mitochondrian donates electrons to water and releases oxygen The last molecule of the ETC in the mitochondrion donates electrons to oxygen and makes water NADH and FADH2 ...
Wednesday, October 22, 2014 at 2:04pm

BIOLOGY
Fermentation: (Select all that are true) Uses pyruvate to accept electrons Uses pyruvate to donate electrons Regenerates NADH Regenerates NAD+ Directly makes ATP Allows glycolysis to continue in the cytoplasm making ATP Allows oxidative phosphorylation to continue int he ...
Wednesday, October 22, 2014 at 2:01pm

Biology
A couple has a child with an autosomal recessive form of glycogen storage disease, a deficiency of a lysosomal enzyme. An enlarged liver and heart and weak muscles cause the baby to die from heart and lung failure at 20 months. Now the woman is pregnant again. Her doctor ...
Tuesday, October 21, 2014 at 9:55pm

Biology
Why is it important that cells produced after meiosis be diverse? My answer: Meiosis is involved it the formation of gametes, so if the cells produces were not different, then everyone would be identical. Is this correct? @Mrs. Sue? someone? Thank you! :)
Tuesday, October 21, 2014 at 12:59pm

Biology
Why can the identity of a compound not be determined by cutting out the spot on an autoradiogram and subjecting it to chemical analysis?
Tuesday, October 21, 2014 at 3:08am

Biology
List all the structures that every cell, regardless of type, must have.
Monday, October 20, 2014 at 9:01pm

Biology
If at noon today someone has 1 E. coli cell, in their gut/large intestine, and E. Coli does binary fission, in unison each thirty minutes, how many will one have in their gut at 11:55 A.M. tomorrow? (five minutes short of a whole day) I'm confused on how to begin setting ...
Monday, October 20, 2014 at 1:42am

Biology
For yogurt, draw a representative molecule of amino acids it contains.
Monday, October 20, 2014 at 1:38am

Biology
Yogurt contains fats, cholesterols, carbohydrates(fibre, sugar and starch) and protein. For each of the nutrients that this food contains: Explain how the molecule's structure fits it function?
Monday, October 20, 2014 at 1:35am

biology
Where is the location of the phosphatase enzyme in the digestive system. There is no site that i can find that can provide an answer...
Sunday, October 19, 2014 at 1:58pm

biology
explaination of the scientific interpretation of fossils found in the cradle of humankind
Sunday, October 19, 2014 at 9:23am

Biology check my answers
Please check to see if my answers are right: we need to list the 6 kingdoms with their characteristics and an example each Eubacteria -"true bacteria": bacilli Monera- prokaryote ,: Cyanobacteria Protista- single cell, true nucleus :amoeba Plantae- photosynthetic :...
Saturday, October 18, 2014 at 7:31pm

biology
Part A. Making Visual Connections with the Textbook (5 points) You can answer these in a Word document, indicating the question number followed by your answer. Below is the Absorption Spectrum of Photosynthesis. As your textbook explains, plants have a number of light-...
Friday, October 17, 2014 at 11:11pm

Biology
Compare and contrast indirect versus direct values of biodiversity, and provide examples.
Friday, October 17, 2014 at 12:36pm

Biology
Compare and contrast the traits and growth patterns of opportunistic versus equilibrium populations.
Friday, October 17, 2014 at 11:14am

Biology
Explain how human activities can cause an imbalance in biogeochemical cycling and lead to problems such as cultural eutrophication and fish kills.
Friday, October 17, 2014 at 10:39am

Biology
how does a change in the sequence of nucleotides in a strand of DNA might cause a protein to malfunction.
Thursday, October 16, 2014 at 5:01pm

Biology Help
how does the structure of a cellulose molecule relates to the molecule’s function?
Thursday, October 16, 2014 at 4:57pm

Biology
Describe the ATP molecule and it's function within a cell ????????????????please help??????????
Thursday, October 16, 2014 at 3:39pm

Biology
What is the number one birth defect in California?
Thursday, October 16, 2014 at 12:46am

Biology
How do proteins leave the cell?
Wednesday, October 15, 2014 at 5:54pm

college intermediate
In a group of 200 high school students, 36 are taking biology, 52 are taking Spanish, and 126 are taking neither biology nor Spanish. If one of these 200 students is to be chosen at random, what is the probability that the student chosen is taking biology but not Spanish?
Sunday, October 12, 2014 at 4:03pm

Biology
How can erosion effect the carbon cycle?
Saturday, October 11, 2014 at 9:35pm

Biology
What is the location and effect of waves of contraction in the digestive system.
Saturday, October 11, 2014 at 8:05pm

Biology
How is homeostasis seen in cells?
Friday, October 10, 2014 at 12:12pm

Biology
I need help with the life cycle of an ostrich! And what could go wrong with the development. I don't understand if it's bacterial or viral infections that may occur...
Thursday, October 9, 2014 at 6:29pm

Biology
What are some examples of homeostasis in one-celled organisms?
Thursday, October 9, 2014 at 3:00pm

biology
Aquatic organisms: A. have a waxy coating to prevent water loss B. may experience problems with water balance C. typically have a plentiful supply of nitrogen. D. never find light to be in short supply
Thursday, October 9, 2014 at 11:08am

biology
Explain the scientific method
Wednesday, October 8, 2014 at 11:34pm

Biology
How is PKU related to homeostasis?
Tuesday, October 7, 2014 at 1:58pm

Biology
Reasons why protein synthesis is important?
Monday, October 6, 2014 at 11:33pm

biology
What is the main similarity between the process of artificial selection and natural selection
Monday, October 6, 2014 at 12:17am

biology
Describe Charles Lyell's geological theory about uniformitarian
Sunday, October 5, 2014 at 8:59pm

Biology
Which heart beat measurement is most indicative of your general health? i think it is your resting heart beat, but im not sure the reason
Sunday, October 5, 2014 at 4:46pm

Biology
Which heart beat measurement is most indicative of your general health? i think it is your resting heart beat, but im not sure the reason
Sunday, October 5, 2014 at 3:38pm

Biology
which heart beat measurement is most indicative of your general health i think it is your resting heart beat, but im not sure why>
Thursday, October 2, 2014 at 11:00pm

Biology
Why is protein synthesis important?
Thursday, October 2, 2014 at 8:43pm

Biology
What is the product of the oxidation of methanol? I'm not sure if it's formaldehyde? And would the product have water for an oxidizatiation
Thursday, October 2, 2014 at 7:53pm

Biology
What are some of the reasons why everyone does not have the same pulse rate at rest? i think it would be age, gender, weight, but im not sure why
Thursday, October 2, 2014 at 5:21pm

Biology
What are some of the reasons why everyone does not have the same pulse rate at rest?
Thursday, October 2, 2014 at 4:56pm

Biology
What are some of the reasons why everyone does not have the same pulse rate at rest. I think is would be your age, weight,stress.. but i am not sure
Wednesday, October 1, 2014 at 5:39pm

Biology
A 50 year old male who is not overweight and has normal blood cholesterol levels suffers a heart attack. Propose a possible explanation i think the answer would be genetics...
Wednesday, October 1, 2014 at 5:05pm

biology
_______ is the tendency for the fluids to resist flow.______________ water is more vicious than warmer water, allowing floating organisms to use less energy to keep from sinking.
Tuesday, September 30, 2014 at 5:25pm

biology
Julie took her lunch to work every day. She wanted to know what type of insulation would keep her lunch the coolest. Each day, she took her lunch in a different container: a Styrofoam cooler box, a plastic cooler box and a soft insulated lunch bag. She measured the temperature...
Tuesday, September 30, 2014 at 2:43pm

Human and social biology
where a disease is always present, why are preventitive measures better for the whole population than treatment?
Monday, September 29, 2014 at 10:31pm

Human and social biology
how does an infection disease differ from a deficiency disease?
Monday, September 29, 2014 at 10:21pm

Human and social biology
define the terms (a) Conservation and (b) Pollution and explain one activity of humans associated with each
Monday, September 29, 2014 at 10:14pm

Human and social biology
Briefly outline how four important social problems may be reduced by the knowledge of biology
Monday, September 29, 2014 at 10:09pm

biology
Which of the follow comparisons would be an inaccurate analogy between prokaryotic cells and eukaryotic cells? A - A eukaryotic cell is like a college campus was a prokaryotic cell is like a one-room schoolhouse B - A eukaryotic cell is like a flip phone while a prokaryotic ...
Sunday, September 28, 2014 at 7:39pm

Biology
1. Describe 2 methods of viral infection 2. How can a virus be helpful to its host? Thank you:)
Saturday, September 27, 2014 at 11:53pm

Biology
What is the water potential of a 5.7 L water in which 2.1 moles of NaCl has been dissolved at 30 degrees celcisus? Help please? Can you show work as well? It'll be greatly appreciated. Thanks in advance.
Saturday, September 27, 2014 at 8:04pm

Biology
Why does biomass decrease as we move up the biomass pyramid?
Saturday, September 27, 2014 at 1:20pm

biology
Why is the term, "evolution" applied to Charles Darwin even today? and Why and how does it apply to a cultural anthropology? -Thank you
Friday, September 26, 2014 at 11:17pm

biology
The following statement is false. Select the rewording that makes the statement true. Dalton discovered electrons inside of atoms by using thermal energy. Thompson discovered electrons inside of atoms by using cathode rays. Thompson discovered electrons inside of atoms by ...
Friday, September 26, 2014 at 4:21pm

Biology question plz
Which of the following depends on bacteria? conversion of dead organic matter to fossil fuel photosynthesis dissolution nitrogen fixation I think its A but I feel it could also be D, could you plz help?
Friday, September 26, 2014 at 12:18am

Biology
How are RNA bases freed up during transcription to form base pairs?
Wednesday, September 24, 2014 at 11:47am

Biology
During transcription, when RNA nucleotides form base pairs with the DNA template, does this mean that RNA nucleotides and DNA nucleotides pair up?
Wednesday, September 24, 2014 at 11:46am

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