A/n _______ is a chemical that destroys bacteria except for those in the endospore stage.

A) bacteriostat
B) fungistat
C) bactericide
D) antibiotic


Ans: C) bactericide

Biology & Microbiology

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A cell moves sodium ions against its concentration gradient. This is an example of ____

a. active transport b. osmosis c. diffusion d. facilitated diffusionc e. diffusion through a channel

Biology & Microbiology

The fertilization envelope forms during the acrosomal reaction

____________________ Indicate whether the statement is true or false.

Biology & Microbiology

During active transport through the sodium-potassium pump, ATP hydrolysis provides the energy to pump three sodium ions into the cell for every two potassium ions pumped out of the cell.

a. true b. false

Biology & Microbiology

The choanoflagellates are in the supergroup

A. Stramenopila B. Amoebozoa C. Opisthokonta D. Alveolata E. Rhizaria

Biology & Microbiology