The general model for animal development states: _______________ and ______________ particular genes are expressed determines how an animal body develops
Fill in the blank(s) with correct word
when; where
Biology & Microbiology
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In mammals, which of the following substances is produced in a muscle that operates anaerobically?
(A) Citrate (B) NADPH (C) Lactate (D) Oxygen
Biology & Microbiology
Cephalosporins and penicillins act on the cross-linkages in peptidoglycan. This usually results in
A) membrane breakdown. B) cell lysis. C) gram-positive cells becoming gram-negative. D) inhibition of protein synthesis.
Biology & Microbiology
The bacterial cell wall can contain ________
Fill in the blank(s) with correct word
Biology & Microbiology
Ammonium ion (NH4+) is oxidized to nitrate (NO3-) in a process known as
A. assimilation. B. anammox. C. nitrogen fixation. D. nitrification. E. denitrification.
Biology & Microbiology