The area where the petiole detaches from the stem is referred to as the:a
abscission zone.
b. middle lamella.
c. bundle sheath extension.
d. terminal bud.
e. bud scale scar.
A
Biology & Microbiology
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A lipid is a
a. polar hydrocarbon. b. polar peptide. c. nonpolar hydrocarbon. d. nonpolar peptide. e. coordinate covalent molecule.
Biology & Microbiology
About ____ species of birds have been described
a. 1,000 b. 2,000 c. 4,500 d. 9,000 e. 20,000
Biology & Microbiology
The exit of an endospore causes the cell to
a. burst open b. return to dormancy c. lyse d. regenerate
Biology & Microbiology
Neisseria meningitidis and Neisseria gonorrhoeae are fastidious, gram-negative cocci that produce oxidase.
a. true b. false
Biology & Microbiology