Much has been written about p53 in terms of cancer biology. What is p53, and what is its significance?

What will be an ideal response?


Mutations in the p53 gene are important in the development of a number of cancers. It is a tumor-suppressor gene that normally functions to control the transition from late G1 to S phase. The product of p53 has DNA-binding properties.

Biology & Microbiology

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Which of the following does not pertain to helminths?

A. Parasitic worms B. Have organ systems C. Eggs and sperm used for reproduction D. Often alternate hosts in complex life cycles E. Members of Kingdom Protista

Biology & Microbiology

Microtubules that originate at opposite centrosomes and interdigitate near the cell's equator without attaching to chromosomes are the

A) kinetochore microtubules. B) polar microtubules. C) astral microtubules. D) interdigitating microtubules.

Biology & Microbiology

The amount of air that moves into and out of the human lungs in each normal breath is termed

a. inspirational capacity. b. reserve volume. c. pleural volume. d. alveolar volume. e. tidal volume.

Biology & Microbiology

Osteogenesis imperfecta, also known as "brittle bone disease," is caused by a genetic defect in the gene that encodes a major fibrous protein found in bone called ________

Fill in the blank(s) with correct word

Biology & Microbiology