A fossil is defined as any evidence of an organism from more than years ago.

A. 10,000
B. 25,000
C. 1,000
D. 500
E. 100,000


A. 10,000

Biology & Microbiology

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Species of Veillonella are always parasites of warm-blooded animals and are never found as part of the normal biota. 

Answer the following statement true (T) or false (F)

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The technique that allows one to record ion currents passing through individual channels is known as

A) voltage-gating. B) ligand-gating. C) patch-clamping. D) ion sensors. E) ionophores.

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Which of the following antibodies is a dimer?

A. IgA B. IgD C. IgM D. IgE

Biology & Microbiology

If you tagged organic carbon inside a chloroplast with a fluorescent label, the location most likely to have a high concentration of labeled carbon would be in the

A. between the outer and inner membranes. B. stroma. C. inside the thylakoid. D. thylakoid membrane.

Biology & Microbiology