The p53 gene is a tumor-suppressing gene that prevents damaged cells from undergoing cell division. If this gene ceases to function due to a mutation, what will happen to the cell?
A) Tumors will be suppressed.
B) The cell will die.
C) Uncontrolled cell division will occur.
D) The cell will be prevented from undergoing division.
C
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"The inheritance of acquired characteristics" proposal was put forward by
A. Hardy-Weinberg. B. Darwin. C. Founder. D. Lamarck. E. Wallace.
The exponential growth rate of a population
under ideal conditions is its
a. carrying capacity. b. logistic growth. c. biotic potential. d. realized niche. e. density dependence
The taxonomic group that contains the most species and seemingly most intelligent invertebrates is
A) Uniramia. B) Aves. C) Chordata. D) Gastropoda. E) Cephalopoda.
What is the major function of the prokaryotic cell wall?
a) to determine the shape of the cell b) osmotic protection c) adherence onto pathogens d) protection from phagocytosis