Aneuploidy (the gain or loss of chromsomes) is associated with which protein molecule in cancer cells?

A) pRB
B) p53
C) Myc
D) Blc-2
E) all of the above


B) p53

Biology & Microbiology

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You observe that chimps use sticks to collect termites for food. Which of the following would indicate this the use of the stick is a learned behavior?

A. The chimp is the only member of his or her population that exhibits this behavior. B. The chimp prefers eating termites to other types of insects. C. Food is abundant in the chimp's environment. D. Chimpanzees raised in isolation do not use sticks.

Biology & Microbiology

Bile is crucial for ______ digestion because of its function in _____.

A. protein, protecting the stomach lining B. fat, solubilizing glycerol:fatty acid bonds C. nucleic acids, uncoiling DNA strands D. fat, emulsification E. protein, lyophilization

Biology & Microbiology

A phenotype:

a) does not reveal the heritability of traits. b) consists of the observable properties of an individual. c) does not include an organism's behavior. d) cannot change during the course of an organism's life. e) depends on the genome rather than the environment.

Biology & Microbiology

What are the three main components of a DNA nucleotide?

What will be an ideal response?

Biology & Microbiology