What is the minimal number of genes needed for a cell to function?
Ans: 473
Biology & Microbiology
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What type of gene is c-src (cellular-src)?
A. oncogene B. tumor suppressor C. proto-oncogene D. growth factor
Biology & Microbiology
A pathway that generates ATP by substrate-level phosphorylation that does not require oxygen and produces various end products, including alcohols, acids, carbon dioxide, and hydrogen, is:
a. substrate-level phosphorylation. b. fermentative metabolism. c. oxidative phosphorylation. d. aerobic respiration.
Biology & Microbiology
Define sensory adaptation
What will be an ideal response?
Biology & Microbiology
Four of the five answers listed below possess a complete digestive system. Select the exception.
a. human b. bird c. earthworm d. planaria
Biology & Microbiology