The role of a tumor suppressor protein in a cell is to ____
a. promote cell division of healthy cells
b. inhibit cell growth and division
c. promote cell division of abnormal cells
d. trigger DNA replication in preparation for cell division
e. serve as a cell receptor for growth factors
ANSWER: b
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Gene families are composed of homologous genes that have different evolutionary origins but the same function
Indicate whether the statement is true or false.
At a certain point in the flowering process, shoots become committed to making a flower. This is called
A. apomixis. B. bilateralism. C. phase change. D. competence. E. floral determination.
During a scientific expedition to an unexplored forest, you discover a new species of plant. The plant has net-veined leaves, flowers, and pollen grains with a single groove. Based on this information, you assign the plant to which of the following groups?
1.eudicots 2.gymnosperms 3.magnoliids 4.monocots
Entropy is associated with the ____ movement of particles of matter, which because they are _____ cannot accomplish a directed work process.
a) rapid, directed b) random, random c) rapid, random d) random, slow e) slow, rapid