Which scientist(s) discovered the basis for the

base-pair rule, which states that the amounts of
adenine and thymine match, as do the amounts
of cytosine and guanine?
a. Avery
b. Griffith
c. Chargaff
d. Hershey and Chase
e. Pauling


C

Biology & Microbiology

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Which of the following statements are true regarding heavy (H) chains? Select all correct choices

A. Antibodies contain two heavy chains. B. Heavy chains contain variable and constant regions. C. Heavy chains are formed by the recombination of V, J, and C gene segments. D. Heavy chains are formed by the recombination of V, J, C, and D gene segments. E. Heavy chains contain only a hypervariable region.

Biology & Microbiology

Each year the average human loses __________ of

skin. a. 7.6 oz. b. 1.5 kilograms c. 15 lbs. d. 1.5 lbs. e. none of the above

Biology & Microbiology

Deamination is a process that removes:a

the amino group from amino acids. b. the amino group from nucleic acids. c. amines from the bloodstream. d. amines from nucleic acids. e. ammonia from blood.

Biology & Microbiology

The field of immunology studies the immune response to various factors. What is the name of an inappropriate immune response?

A) sneezing B) autoimmunity C) fever D) infection

Biology & Microbiology