4,064 Answered Questions for the topic biology

03/13/20

Cancer and the cell cycle

Regulatory molecule controlling the cell cycle is continuously phosphorylated and results in The production of proteins that cause The cell cycle to progress. What molecule is most likely the... more
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Biology Microbiology

03/13/20

Select all of the possible applications of DNA fingerprinting.
a.Identifying the source of blood or tissue left at crime scenes b.identification of disaster victimsc.Tracking pathogens during investigation of an epidemicd.Determining parentagee.Replacing... more
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03/10/20

How might a strawberry plant depend on birds?
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Biology Anatomy

03/09/20

Why do male makes millions of sperm, while females only release one single egg?
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03/06/20

Anatomy Question Capillary Exchange
For my anatomy class homework we need to:Explain capillary exchange as it refers to osmotic and hydrostatic pressure with an increase in blood pressure or a decrease in albumins. What would be the... more
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Biology

03/05/20

what is the function of a mitochondria
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Biology Health Hiv Aids

03/05/20

Home Work Question For Health Class
What is HIV(Signs/symptoms,treatment)? Are HIV and AIDS interchangeable terms?Explain deeply.
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Biology Phages

03/04/20

How do phages die after killing bacteria? What happens to phages after they die?
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Biology Microbiology

03/03/20

Biology Questions
1.Explain how an inherited mutation can have different impacts on future offspring depending on which parent passed on the mutation.2.What is the evidence that epigenetic “marks” can be passed on... more
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Biology Microbiology

03/03/20

Biology Question
Why would a doctor encourage a woman with a body mass index (BMI) of 18 to gain significant weight during pregnancy, while admonishing someone with a BMI of 30 to limit weight gain? What are the... more
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02/29/20

How does Corona Virus compare with seasonal Influenza?
Several of my students have asked me about this, and I welcome comments and answers from others with up-to-date information.
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Biology

02/27/20

However, at this point, the 2 ____________ molecules are ____________ , freeing NAD⁺ to return to the glycolytic pathway.
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02/27/20

How many bacteria will be there if the starting number of bacteria is 2 and the total time is 2 hrs. Generation time is 20 minutes
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Biology

02/25/20

There are two populations.
Population A and population B. In Pop A, females mated a lot but had shorter breeding season. In Population B, females mated once but in a longer breeding season. Make a graph in which counts for... more
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02/25/20

help with this genetic problem
In drosophila, a trait called curled wing (cu) is recessive to a wild-type wing, a trait called striped body (sr) is dominant to wild-type body, and a trait called scarlet eye (st) is recessive to... more
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Biology

02/21/20

Which type of macromolecule is made up of subunits that are called amino acids?
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Biology Ap Biology

02/20/20

If the sequence of a section of DNA is 5’-TACGGACTCTTATCGACT-3’ a)what is the correct sequence for the opposite strand? b)Using that RNA strand, what is the amino acid sequence it would make?
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Biology Ap Biology

02/20/20

What are all the possible codons for Leucine? Where are they the same and where are they different? What is this redundancy called and why is it in the genetic code?
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Biology Ap Biology

02/20/20

If a tRNA has the following anticodon UAG, what is the corresponding codon, where is it located, and what amino acid would be attached at its 3’ site?
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02/17/20

Question about Anatomy and Physiology- Up and Down Receptors
Please explain up-regulation and down-regulation as it applies to receptor sites. Describe how this impacts the system long term and give an example for both up and down.
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Biology Ap Biology

02/15/20

What does the basic photosynthetic equation indicate about the source of much of the dry mass of a plant?
a. Water is an important reactant and is therefore primarily responsible for the increase in dry mass as a plant grows.b. Inorganic carbon taken from the air is an important reactant and is... more
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Biology Ap Biology

02/15/20

Why would net primary productivity be more useful than gross primary productivity for predicting the number of species and population sizes of heterotrophic organisms found in an ecosystem?
a. GPP can vary as the amount of sunlight varies, but because the amount of energy used by plants in cellular respiration is constant, NPP will therefore always be a constant.b. The magnitude of... more
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Biology

02/15/20

Tell the difference between aerobic respiration and anaerobic respiration.
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Biology

02/15/20

Describe cell respiration, and explain its process step by step.
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Biology Science

02/15/20

Environmental Science
a) i. The U.S. uses roughly 4.0 million Gigawatt-hours per year in electricity. Currently 50% of our electricity comes from coal. If every 1.0 kilowatt-hour of coal burned releases 2 lbs. of carbon... more
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