Biochemistry question:

Describe the four levels of proteins structure (primary, secondary, tertiary and quaternary). Make sure to describe the role of non-covalent interactions involving the main chain or side chains of the amino acids that form to stabilize the structure.

How are the processes of mitosis and meiosis different? When are each occurring? What is the final product of each? How does each process contribute to genetic variation that makes each human a unique individual?  

Under the interplay of epigenetic regulators:

1.In your own words, what is Dnmt1 and what does it do?

2.In your own words, what is Dnmt3a and 3b, and what do they do?

3.Identify two distinct ways that DNA methylation regulates gene expression. One way is related to histone modifications, the other way is not.

Under Regulating X Inactivation

4.Describe how DNA-methylation and histone modifications play a role in X-chromosome inactivation.

How did the experiments of Redi and Pasteur refute the spontaneous generation hypothesis?

Why are recombinant DNA technology and nucleus transplantation technology still dangerous?

What are some diseases or genetic abnormalities caused by dominant genes? Why are severe dominant genetic diseases rarer than recessive ones?

How are mutagenic agents related to the incidence of cancer in a population? Is cancer a disease transmitted to the offspring of an individual?

What type of genetic inheritance determines the ABO blood group system? What are the relations of dominance among the involved alleles?

What type of genetic inheritance determines the ABO blood group system? What are the relations of dominance among the involved alleles?

A drug that will bind to serotonin receptors only when given at very high doses, and binds to glutamate receptors only when given at really low doses likely has a ___ for serotonin receptors and ___ for glutamate receptors.

a) low affinity / low affinity

b) high affinity/high affinity

c) low affinity / high

d) high/ low

1. List all the reagents (chemicals) and enzymes required to synthesize DNA. Describe how DNA polymerase works. What does DNA polymerase require in order to polymerize DNA?

Why is the Leibovitvz’s L-15 medium is important for adherent cell culture? Identify five key components of this medium. Explain why facal bovine serum is added to your medium.

Discuss the functions of a forensic scientist. Why should the police rely on evidence collected by evidence technicians rather than evidence collected by patrol officers or​ detectives? Do you think all police officers should be trained in evidence​ collection? Mention its pros and cons.

it has been noted that in some ballet dancers that the bone density is greatly reduced compared to that which is seen in average population. suggest reasons for this with an explanation of how bones are affected by diet, hormones and excercise.