A protein that can move protons and other ions across a cellular membrane is called a:

A. peristaltic pump
B. proton pump
C. osmotic pump
D. transferase
E. stile


B. proton pump

Biology & Microbiology

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In terms of food capture, which sponge cell is most similar to the cnidocyte of a cnidarian?

A) amoebocyte B) choanocyte C) epidermal cell D) pore cell

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Substances that can be added to a microbial culture to prevent drastic changes in pH are called ________

a. supplements b. antacids c. bases d. buffers

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Which of the following neuron structures is responsible for receiving stimuli from the environment?

a) axon b) dendrite c) neuron cell body d) schwann cell e) nucleus

Biology & Microbiology

Robert Koch sought a "magic bullet" for the treatment of disease caused by bacteria

Indicate whether the statement is true or false

Biology & Microbiology