One way N. gonorrhoeae became resistant to penicillin was by acquiring a plasmid that carries the penr penicillin resistance gene, which encodes a protein that
A) allows cells to synthesize penicillin.
B) cleaves penicillin to an inactive form.
C) pumps penicillin out of the cell.
D) attaches penicillin to the cell wall.
B) cleaves penicillin to an inactive form.
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The ________ is the organelle involved in the posttranslational modification of proteins and sorting of proteins to various intracellular and extracellular compartments.
Fill in the blank(s) with the appropriate word(s).
In some cases, when an insect begins feeding on a leaf the plant responds by activating a signaling
pathway that results in the production of ____, which disrupt an insect's capacity to digest proteins.
a. gibberellins b. lipases c. chitinases d. protease inhibitors e. cytokinins
Which statement concerning a scientific theory is FALSE?
a. It may suggest practical applications. b. It predicts new facts. c. It is based on a number of hypotheses. d. It is unchangeable. e. It is supported by many observations.
The broad categories of grasses, shrubs, and trees represent a diverse range of species and characteristics, and they have fundamentally different patterns of
A) nutrient allocation and morphology. B) carbon allocation and morphology. C) carbon allocation and nutrient allocation.