Protists are classified into a single kingdom because of which of the following features?
A. They are eukaryotes, but not fungi, plants, or animals.
B. They are microscopic.
C. They are unicellular.
D. All types of nutritional modes are found.
E. They are monophyletic.
A. They are eukaryotes, but not fungi, plants, or animals.
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An ecosystem includes both the living organisms and abiotic materials that function together
Indicate whether the statement is true or false.
Prozac, an antidepressant, is most closely
associated with the neurotransmitter,
a. acetlycholine. b. serontonin. c. epinephrine. d. dopamine. e. an endorphin
An infection caused by an opportunistic microbe after a primary infection has weakened the host's defenses is a ________ _________.
Fill in the blank(s) with the appropriate word(s).
A form of diffusion in which the molecules pass through a protein instead of between the phospholipids is called ________
A) diffusion B) facilitated diffusion C) active transport D) osmosis