115 Answered Questions for the topic Biology Tutor

Biology Tutor Biology Chemistry Light

10/12/16

Can someone please help me with LIGHT WAVELENGTHS??! BIOLOGY/CHEMISTRY
Hello. I am struggling a bit with understanding the concepts of transmission, absorption, and reflection, and was wondering if my thought process is correct for these questions.   1. What can be... more
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10/02/16

BIOLOGY! WHY are nucleotides a good molecule to make DNA out of, while amino acids are a good molecule to make proteins out of?
Hello everyone! I was wondering if you could help me answer this question. I have an upcoming quiz next week and this question will be on it - I am not asking for you to answer this completely, I... more
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Biology Tutor

09/15/16

Which of the following is True about a saturated fat?

Which of the following is True about a saturated fat? All of the choices are correct. has fatty acids with no double bonds between the carbon atoms. liquid at room temperature. is of plant origin.
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09/14/16

BIOLOGY PLEASE HELP??!!! 2 TRANSLATION QUESTIONS?? Fill in the blank?
Q1. The flow _______of starts with DNA, sitting quietly (we hope!) in the _________of ______ cells. A temporary ________is made whenever the cell wants to 'activate' information; this copy is made... more
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Biology Tutor Biology Biology Homework

09/02/16

PLEASE HELP ME! I AM STUCK on 3 BIOLOGY multiple choice questions.
In general, colder temperatures reduce the fluidity of the membrane, so cells will produce different molecules to maintain the proper degree of fluidity. How would the membrane change in response... more
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09/02/16

Can someone please HELP with 3 multiple choice intro biology questions?? IM STUCK!!
In general, colder temperatures reduce the fluidity of the membrane, so cells will produce different molecules to maintain the proper degree of fluidity. How would the membrane change in response... more
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Biology Tutor Science Chemistry Waters

08/31/16

Can someone please help me with this question regarding hydrophobic molecules in water? CHEM/BIO- IM STUCK!!!
Which is the most accurate statement of the phenomenon underlying 'hydrophobicity', the clustering of oily molecules in the presence of water?Select one:a. it's all about size--oil molecules are... more
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Biology Tutor Science Biology Chemistry

08/24/16

How to calculate Delta pH and Total Buffer Range
We were doing a lab in biology which included testing how basic and acidic different liquid substances were, andwe would add different amounts of drops of NCI and NaOH liquid to see how good of a... more
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Biology Tutor

07/11/16

Biology question
at a nature preserve in northern california biologist recorded twenty species of native arts within a community these species resided apart from each other and maintained a healthy balance among... more
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Biology Tutor Biology

07/07/16

Earthworms
 What kind of food do earthworms like to eat most?
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Biology Tutor

06/12/16

compare the numbers and locations of stem cells in plants, newts and animals
compare the numbers and locations of stem cells in plants, newts and animals
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Biology Tutor

06/12/16

explain the techniques, pros and cons of obtaining the following types of stem cells: embryonic, therapeutic, umbilical, bone marrow
explain the techniques, pros and cons of obtaining the following types of stem cells:embryonic, therapeutic, umbilical, bone marrow
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Biology Tutor

04/06/16

organisms in the same phylum are more closely related than organisms in the same family?
this is an biology question and i need help answering it. can someone please help me answer this question?
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03/21/16

Cell bio - design an experiment (PIKfyve)
1) You found an inhibitor for PIKfyve. Design an experiment to demonstrate that PIKfyve is required for macrophage phagocytosis of IgG-opsonized red blood cells.   2) if you design a properly... more
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Biology Tutor Cellular Biology Biology,

03/06/16

what macromolecules do earthworms prefer ?
Does this mean what they eat ? 
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Biology Tutor Biology

12/28/15

HNO3 that has a pH of 3.75. What is [OH- ] for the solution?
A chemist is using a solution of HNO3 that has a pH of 3.75.What is [OH− ] for the solution?
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Biology Tutor

12/15/15

When will water move into a cell
A) equal inside a cell equal outside the cell B) 42% inside cell 48% outside the cell C) 95% inside the cell 90% outside the cell D) 90% inside the cell 95% outside the cell
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Biology Tutor

12/13/15

respitory system
Air moves through the respiratory system in a continuous cycle. Which of the following correctly describes the movement of air through the parts of the respiratory system?
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Biology Tutor

12/13/15

The phospholipids found in the plasma membrane of a cell are lipids. What makes it special?

A)it is the only lipid that can be unsaturated b)it contains a phosphate group c)it is the only lipid that can be saturated d)it contains DNA in its fatty acids
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12/05/15

Help! Please! Biology final question and I can't find anywhere in the book or online.
is it a set list of steps? Is it a formula? I cannot find it anywhere and its on my biology final. What steps are followed to sequence the gene for sickle cell anemia?  Thank you in advance!!
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Biology Tutor Biology

12/02/15

explain why sometimes the supernatant is found in the DNA and other times it is in the pellet
 need help on this college biology question
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Biology Tutor Science Biology Cells

11/10/15

I need help in Biology ASAP
Describe how the position of cell layers in a developing human embryo progresses to general cell differentiation.
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Biology Tutor

10/22/15

how might the population escape intense competition with another population?
Please help me im in need..
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Biology Tutor Ap Biology

09/22/15

Which graph depicts the rate of an enzyme-catalyzed reaction from low substrate concentrations to saturating substrate concentrations?
I am a little confused on what substrate means exactly... so in turn I am not exactly sure what the question is asking.I know the answer is C and I would like to know why. Also, what would the... more
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09/22/15

The tertiary structure and function of a polypeptide is prinicpally determined by the....
  I am stuck between B and D. Since A and C are most likely not correct, what structures would C and A apply to?   A) length of the polypeptide   B) number of nucleotides present in a... more
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