In somatic hypermutation, the mutation of immunoglobulin genes occurs at much higher rates than the mutation rates observed in other genes

Indicate whether the statement is true or false.


Answer: TRUE

Biology & Microbiology

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In marine birds, excess salts are removed by:

a. salt glands in the tongue. b. salt glands above the eyes. c. concentrated urine. d. salt glands on the skin. e. salt glands in the mouth.

Biology & Microbiology

Consider the following two chemical equations:A

glucose + fructose ? sucrose + H2O, ?G = +27kJ/mole (or +6.5 kcal/mole) B. glucose + fructose + ATP ? sucrose + ADP + Pi, ?G = ?5kJ/mole (or ?1.2 kcal/mole) What is the overall ?G? a. 22 kJ/mole b. 32 kJ/mole c. -32 kJ/mole

d. -135 kJ/mole e. 135 kJ/mole

Biology & Microbiology

Which three stages or transitions in the cell cycle seem to serve as points of control (checkpoints)?

What will be an ideal response?

Biology & Microbiology

Bacillus thuringiensis produces

A. a toxin that causes food poisoning. B. single cell protein used as food. C. enzymes used in cheese-making. D. a biopesticide. E. All of the choices are correct.

Biology & Microbiology