Biology Answers

1)    In guinea pigs, black fur is dominant over white fur. How could an animal breeder test whether a black guinea pig is homozygous or heterozygous?

A teenage boy asks his parents “Why do I look similar but slightly different from

my brother?” Using language a layperson would understand, how would you

explain to him about the key events that take place to create this genetic

variation? During what process do these occur and how do they happen? Write 500 words at least.

Proteins such as enzymes are essential for cellular function. But how do eukaryotic cells take the information contained in DNA and turn it into a protein? Describe the sequence of events that need to take place to make a fully functioning protein such as an enzyme? 

A teenage boy asks his parents “Why do I look similar but slightly different from my brother?” Using language a layperson would understand, how would you explain to him about the key events that take place to create this genetic variation? During what process do these occur and how do they happen?

What type of macromolecule class are cell receptors? What is the monomer?

The movement of sodium and potassium ions across the nerve cell membrane involves

Briefly explain why the shape of the kidney is bean like

R is the allele for red petals and r is the allele for blue petals which term describes the offspring of the cross represented by flower Z

What essential compound is produced in the pentose phosphate pathway that is needed for synthesis as well as for defence against oxidative damages?

At what point in glycolysis can ATP act as an inhibitor? What kind of enzyme regulation occurs in this inhibition?