Genes that normally block cell division are called:

a. growth factor genes.
b. oncogenes.
c. tumor suppressor genes.
d. proto-oncogenes.
e. growth inhibiting genes.


c

Biology & Microbiology

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Which organisms contain the smallest, least complex cell types?

A. Animals B. Fungi C. Plants D. Bacteria

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The term "ligase" adds the suffix "-ase" to the Latin root word for

A. gene. B. cut. C. bind. D. work. E. copy-producing.

Biology & Microbiology

Exocrine glands secrete all of the following EXCEPT ____

a. milk b. hormones c. saliva d. earwax e. enzymes

Biology & Microbiology

Identify the leaf pictured as a compound or simple leaf. Explain what observations were used to make your decision. 

What will be an ideal response?

Biology & Microbiology