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April 18, 2014

Homework Help: Science: Biology

Recent Homework Questions About Biology

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Biology
Does it benefit the plant while it is still attached and not being eaten?
Tuesday, October 29, 2013 at 1:47pm

Biology
The fruit will be eaten by birds and the plants' seeds will be scattered in the birds' feces.
Tuesday, October 29, 2013 at 1:36pm

Biology
How does having a large, sweet fruit benefit a plant?
Tuesday, October 29, 2013 at 1:26pm

biology
Imagine that you collected your data above, threw away the gel, and re-ran PCR again on the same samples, but using a different set of primers. How will the 2nd gel differ from the first since you're using a different set of primers?
Monday, October 28, 2013 at 11:32pm

Biology
Imagine that you collected your data above, threw away the gel, and re-ran PCR again on the same samples, but using a different set of primers. How will the 2nd gel differ from the first since you're using a different set of primers?
Monday, October 28, 2013 at 11:01pm

Biology
AUGUGGUGGAUGUGGAUG
Monday, October 28, 2013 at 5:44pm

biology
and your choices? Consider 3D folding.
Monday, October 28, 2013 at 4:14pm

biology
The primary structure of proteins is often described as "amino acids connected like beads on a string". In this same vein, which of the following images best describes a protein's quaternary structure?
Monday, October 28, 2013 at 3:11pm

Biology
If the primers are not complimentary then DNA replication will not take place. IF they are complimentary then DNA replication will take place.
Monday, October 28, 2013 at 4:17am

Biology
What would happen if you ran the same sample of DNA as your first experiment but used different primers?
Monday, October 28, 2013 at 1:52am

Biology
D: FRUIT
Sunday, October 27, 2013 at 8:34pm

biology
dsf
Saturday, October 26, 2013 at 6:10pm

Biology 101
We will be glad to respond to your choices.
Friday, October 25, 2013 at 7:59pm

Biology
organelles with an abundance of carotenoids but no chlorophyll
Friday, October 25, 2013 at 4:38pm

Biology
I do not understand what visible and sharp focus mean. The instruction says.... When viewing the crossed hairs and the top hair is in sharp focus, is the other hair visible or in sharp focus at the following total magnification...?
Friday, October 25, 2013 at 4:37pm

biology
the first statement is true. there are reactions which require energy for activation and reaction proceeds with the evolution of energy. chemical bonds MIGHT NOT be always broken by energy absorption. the amount of energy depends on the nature of reactants. moreover there are ...
Friday, October 25, 2013 at 1:58pm

Biology
I do not understand what visible and sharp focus mean. The instruction says.... When viewing the crossed hairs and the top hair is in sharp focus, is the other hair visible or in sharp focus at the following total magnification...?
Friday, October 25, 2013 at 12:44pm

Biology
organelles with an abundance of carotenoids but no chlorophyll
Friday, October 25, 2013 at 12:05pm

biology
please help
Thursday, October 24, 2013 at 9:27pm

biology
Covalent bonds are not affected by chemical reactions. true ir false
Thursday, October 24, 2013 at 9:26pm

biology
What are the reactants in the following chemical formula? C6H12O6 + 6O2 ¨ 6CO2 + 6H2O
Thursday, October 24, 2013 at 6:50pm

Biology
What happens when a substance dissolves in the watery solution outside of a cell and equilibrium is disrupted. a. Water from the cell will move into the solution b. water from the solution will move into the cell c. the pores in the cell membrane will become clogged with the ...
Thursday, October 24, 2013 at 2:54am

Biology
Could someone please explain Endocytosis(phagocytosis, pinocytosis and receptor-mediated endocytosis) in simplest way? I do not understand
Wednesday, October 23, 2013 at 5:16pm

Biology 101
1. Which of the following statements is incorrect about homologous chromosomes? a. Homologous chromosomes are similar but not identical b. Homologous chromosomes have the same size and function c. Homologous chromosomes contain genes for the same kind of protein products d. ...
Wednesday, October 23, 2013 at 1:05pm

biology
4. Using sunscreen and consuming energy drinks involve _____________________. A. using biological information to make informed decisions B. risks to using biotechnology C. using genomics to make informed decisions D. all of the above
Wednesday, October 23, 2013 at 11:55am

biology
A sheep with human genes spliced into it to produce human antibodies is an example of a(n)
Wednesday, October 23, 2013 at 11:54am

biology
The primary difference between organic compounds and inorganic compounds is that organic compounds always contain carbon while most inorganic compounds do not contain carbon. Also, almost all organic compounds contain carbon-hydrogen or C-H bonds.
Wednesday, October 23, 2013 at 10:01am

Biology
PLEASE CONSIDER EACH OF THE FOLLOWING CHANGES SEPARATELY. Be sure to enter the sequence using the 3-letter abbreviations (for example, Ala-Gly-Ser), where the left most amino acid of your answer represents the first amino acid of the polypeptide. Another way to say this is: be...
Wednesday, October 23, 2013 at 7:51am

biology
Is carbonic acid (H2CO3) organic or inorganic molecule?
Wednesday, October 23, 2013 at 4:30am

biology
Is carbonic acid (H2CO3) organic or inorganic?
Wednesday, October 23, 2013 at 4:30am

math
the biology class has a lab every days. the earth science class has a lab every three days . which class day do they both have class ?
Tuesday, October 22, 2013 at 6:26pm

Biology
Your thermocycler is broken, and can only reach a temperature of 72 degrees Celsius maximum. What effect will this have on your PRC? Will you still get DNA replicated? Explain
Monday, October 21, 2013 at 11:37pm

Biology
Why wasn't PCR possible until Taq polymerase was discovered?
Monday, October 21, 2013 at 2:01pm

Biology
My guessing on these answers on these questions that im not sure of that i posted is, 1. d 2. b 3. a 4. a 5. c 6. a
Monday, October 21, 2013 at 12:56pm

Biology
In mitosis, if a cell has 4 chromosomes in prophase, how many chromosomes will this cell have in metaphase? a. 64 b. 32 c. 16 d. 8 e. 4 If a cell has 20 chromosomes in G1, how many chromatids will be present during prophase? a. 30 b. 20 c. 5 d. 40 Which of the following ...
Monday, October 21, 2013 at 12:51pm

biology (Help please!!!)
1. If a student pours a solution of salt water on an elodea leaf, what is it an example of? 2.A child pours salt crystals on the body of a slug he finds in the backyard. Options are: high concentration, low concentration, osmosis, diffusion, hypertonic solution, and hypotonic ...
Sunday, October 20, 2013 at 11:54pm

Biology
Which of the following cells check for during the G2 check point? a. Growth hormone c. DNA integrity b. Nutritional status d. Cell size In mitosis, if a cell has 4 chromosomes in prophase, how many chromosomes will this cell have in metaphase? a. 64 b. 32 c. 16 d. 8 e. 4 The X...
Sunday, October 20, 2013 at 11:24pm

Biology
single celled prokaryotes like the bacteria and archaea are the dominant and most diversified groups of living forms today. does this support their ancient origins? Explain
Sunday, October 20, 2013 at 7:34pm

biology
What don't you understand? I'll take a guess. If the independent variable was various amounts of a drug being given, then this would need to be measured along with the dependent variable. If the independent variable was either the presence or absence of a variable, ...
Sunday, October 20, 2013 at 2:33pm

Biology
I am having a really hard time understanding respiration and photosynthesis. Is there a simple explanation for both processes?
Sunday, October 20, 2013 at 1:28pm

biology
Stuck on this question. When infected by the Hepatitis B virus (HBV), many patients experience flu-like symptoms such as fever, loss of appetite, nausea, vomiting, and malaise. This is called acute hepatitis. During this stage, what is the HBV doing? What do you call this ...
Saturday, October 19, 2013 at 3:06pm

biology need help
Amen, Writeacher!!
Saturday, October 19, 2013 at 1:44pm

biology need help
loli ~ You haven't answered Ms. Sue's question above. It does no good to keep repeating the same thing when it's clear you're not trying to do your own reading, understanding, and thinking. What does your text say??
Saturday, October 19, 2013 at 1:41pm

biology need help
it says list 3 factors that could produce bias data in an experiment
Saturday, October 19, 2013 at 12:47pm

biology need help
listed
Saturday, October 19, 2013 at 12:46pm

biology need help
Your teacher is looking for the biases explained or listed in your text. What does your text say?
Saturday, October 19, 2013 at 12:28pm

biology need help
3 factors the could produce bias in an experiment
Saturday, October 19, 2013 at 12:21pm

Biology/Chem
Soy sauce is prepared by fermenting a salted mixture of soybeans and wheat with several microorganisms including yeast over a period of 8-10 months. After the solids are removed, the resulting sauce is rich in lactic acid and ethanol. How aere these 2 compounds produced? In ...
Saturday, October 19, 2013 at 9:56am

biology
Based on the treatment scheme, what type(s) of raw water is / are being treated? Groundwater River water Riverbank filtrate Lake water Infiltrated river water please post answer
Saturday, October 19, 2013 at 5:22am

biology need help
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you. See your previous post.
Saturday, October 19, 2013 at 12:37am

biology 2 (?)
What system did you pick?
Friday, October 18, 2013 at 8:04pm

Biology
Even if the daughters are carriers, the dominant genes from the father will keep the characteristics from being expressed in the phenotype.
Friday, October 18, 2013 at 8:03pm

biology
Since both genes (dominant) from one parent are for normal development, the chances for any child are 50% to be a carrier, but none will have the disease.
Friday, October 18, 2013 at 7:47pm

biology
i don't understand
Friday, October 18, 2013 at 7:32pm

need help biology
Which variable does the scientists or you deliberately change? Dependent, Independent, control is is independent Which variable does the scientists measure? Dependent, Independent, control is it dependent 6. Which variable remains the same/constant throughout the experiment? ...
Friday, October 18, 2013 at 7:29pm

need help biology
3 factors the could produce bias in an experiment
Friday, October 18, 2013 at 7:15pm

biology
in an experiment
Friday, October 18, 2013 at 7:05pm

biology
Since this is not my area of expertise, I searched Google under the key words "sequence of the stop codon" to get these possible sources: https://www.google.com/search?client=saf​ari&rls=en&q=sequence+of+the+stop+codon&​ie=UTF-8&oe=UTF-8 In the future, ...
Friday, October 18, 2013 at 6:57pm

biology
Yes to all. However, when the independent variable is changed, it might also be measured to compare to the changes in the dependent variable.
Friday, October 18, 2013 at 6:48pm

biology
ignorance, previous bad experience, popular opinion
Friday, October 18, 2013 at 6:44pm

biology
i mean 3 factors that produce bias i don't know why i put rats
Friday, October 18, 2013 at 6:43pm

biology
Rats produce rats.
Friday, October 18, 2013 at 6:41pm

biology
3 factors the could produce rats
Friday, October 18, 2013 at 6:40pm

biology need help
Which variable does the scientists or you deliberately change? Dependent, Independent, control is is independent Which variable does the scientists measure? Dependent, Independent, control is it dependent 6. Which variable remains the same/constant throughout the experiment? ...
Friday, October 18, 2013 at 6:36pm

biology
Which variable does the scientists or you deliberately change? Dependent, Independent, control is is independent Which variable does the scientists measure? Dependent, Independent, control is it dependent 6. Which variable remains the same/constant throughout the experiment? ...
Friday, October 18, 2013 at 10:05am

biology
Hi there, Not sure the answer for this question. In what way is endospores stronger than bacterial cell?
Friday, October 18, 2013 at 9:21am

biology
ms. sue?
Thursday, October 17, 2013 at 7:49pm

biology
ok thank you what about Which variable does the scientists or you deliberately change? Dependent, Independent, control is is independent Which variable does the scientists measure? Dependent, Independent, control is it dependent 6. Which variable remains the same/constant ...
Thursday, October 17, 2013 at 7:42pm

biology
http://www.jiskha.com/display.cgi?id=138​2051911
Thursday, October 17, 2013 at 7:29pm

biology
Evidence suggests that bacteria supplied with a cup of sugar could run a 60-watt light bulb for 17 hours. What would a scientist need to do to be able to affirm this scientific idea? is it to conduct an experiment to test the hypothesis
Thursday, October 17, 2013 at 7:24pm

biology
What is the sequence of the stop codon?
Thursday, October 17, 2013 at 7:20pm

biology
Yes.
Thursday, October 17, 2013 at 7:20pm

biology
Evidence suggests that bacteria supplied with a cup of sugar could run a 60-watt light bulb for 17 hours. What would a scientist need to do to be able to affirm this scientific idea? is it to conduct an experiment to test the hypothesis
Thursday, October 17, 2013 at 7:18pm

biology
Also, i almost forgot it also is 24 carbons, 48 hydrogen, 24 oxygen.
Wednesday, October 16, 2013 at 7:04pm

biology
1. 6 Carbon atoms per molecule. 4 Molecules. That's all i know. xD
Wednesday, October 16, 2013 at 6:58pm

cor biology
Substance X has a molar extinction coefficient (E) of 4725 l.mol-1. How many moles of X are needed to produce an absorbance of 1.0 in a 1 ml cuvette?
Wednesday, October 16, 2013 at 12:42pm

Biology
The lack of nutrients and molecular building blocks, cells not secreteing materials normally and improper ion balance are results of which organelle not functioning properly
Wednesday, October 16, 2013 at 9:34am

Biology
your answer is d the Golgi apparatus packages proteins inside the cell before they are sent to their destination; it is particularly important in the processing of proteins for secretion so the vesicles send the proteins on their way.
Wednesday, October 16, 2013 at 12:01am

Biology
What role do vesicles play in processing the proteins in the Golgi Apparatus? a. They create the proteins.(No) b. They modify the proteins. (No) c. They store the proteins. (Maybe) d.They transport the proteins. (Maybe)
Tuesday, October 15, 2013 at 8:56pm

Biology
What role do vesicles play in processing the proteins in the Golgi Apparatus? a. They create the proteins.(No) b. They modify the proteins. (No) c. They store the proteins. (Maybe) d.They transport the proteins. (Maybe)
Tuesday, October 15, 2013 at 8:36pm

biology
The frequency of carriers of this disease is 0.02 in a particular population. Consider many couples like 6 and 7 where one parent is affected and the other is unaffected. On average, what is the chance that the first child of these couples will be affected? Please give a ...
Monday, October 14, 2013 at 3:58pm

Biology
Father has red/green color blindness and is a hemophiliac. Mother is normal. Have two female children (Both are probably carriers). One female offspring marries a normal male. The question is what is the probability that their son is both color blind and hemophiliac? ...
Monday, October 14, 2013 at 9:51am

biology 2
The digestive, circulatory, respiratory, immune, and excretory systems all work together to maintain homeostasis. Discuss how a minor malfunction in one of these systems could lead to major malfunctions in others. If methods were developed to improve the efficiency and ...
Monday, October 14, 2013 at 8:42am

biology
How does acetocarmine affect chromosomes? We use acetocarmine to stain chromosomes, it gives red color to the chromosomes but HOW can it stain them? How does it color them out of all organelles?
Sunday, October 13, 2013 at 1:55pm

biology
movement of water molecules across the cell membranes from hypertonic to hypotonic solution . whether it is osmosis or diffusion?. please clarify.
Saturday, October 12, 2013 at 11:58pm

biology
is trypsin inhibitor competitive or noncompetitive
Saturday, October 12, 2013 at 4:55pm

Biology of environment
You're very welcome, Mohammad.
Saturday, October 12, 2013 at 4:04pm

Biology of Environment
Inductive reasoning is the process of coming up with a conclusion based on a series of events that repeat. An example would be to push a light switch up turns on the light and pushing it down turns the light off. If you do this over and over, say 1000 times, you could conclude...
Saturday, October 12, 2013 at 2:06pm

Biology of Environment
Im having hard time differentiating b/w inductive and deductive reasoning. In inductive you find patterns, then you reach conclusion, in deductive you reach conclusion based on previous known facts, but i still not quite understand. I also not get the top-down, bottom-up.
Saturday, October 12, 2013 at 1:54pm

Biology of environment
thanks very much Ms. Sue :)
Saturday, October 12, 2013 at 1:52pm

Biology of environment
Dynamic equilibrium population growth means that the population of a species is growing even though the environment is stable. http://www.etap.org/demo/biology_files/l​esson6/instruction5tutor.html http://www2.puc.edu/Faculty/Gilbert_Muth​/botlec38.htm
Saturday, October 12, 2013 at 1:44pm

Biology of environment
What does dynamic equlibrium population growth mean?
Saturday, October 12, 2013 at 1:28pm

Biology
If a person has a herniated disk, sometime surgery can relive the pain that is associated with the condition. One side effect can be a loss of spinal flexibility. Why does this occur?
Friday, October 11, 2013 at 3:12pm

Biology
If a person has a herniated disk, sometime surgery can relive the pain that is associated with the condition. One side effect can be a loss of spinal flexibility. Why does this occur?
Friday, October 11, 2013 at 1:13pm

Biology
http://www.ncbi.nlm.nih.gov/pubmed/17308​163
Friday, October 11, 2013 at 12:20pm

Biology
After adolescence, bones stop growing longer. They do however continue to grow. How do bones remodel and undergo repair
Friday, October 11, 2013 at 12:11pm

Biology
You wish to produce a human enzyme, protein A, by introducing its gene into bacteria. The genetically engineered bacteria make large amounts of protein A, but it is in the form of an insoluble aggregate with no enzymatic activity. Which of the following procedures might help ...
Thursday, October 10, 2013 at 10:42pm

biology help?
Since Jiskha doesn't have a biology expert at this time, please try posting your question at this site. http://www.biology-online.org/biology-fo​rum/
Thursday, October 10, 2013 at 3:41pm

biology
Since Jiskha doesn't have a biology expert at this time, please try posting your question at this site. http://www.biology-online.org/biology-fo​rum/
Thursday, October 10, 2013 at 3:40pm

biology help plz?????????????????
Since Jiskha doesn't have a biology expert at this time, please try posting your question at this site. http://www.biology-online.org/biology-fo​rum/
Thursday, October 10, 2013 at 3:40pm

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