How are termite-related protists and aphid-related proteobacteria similar?

A. Both are protozoans that live within insect hosts.
B. Both are parasites to their respective hosts.
C. Both are mutualists with their respective hosts.
D. Both are types of endosymbiotic bacteria.


Answer: C

Biology & Microbiology

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Review Figure 19.15 below: The lactose operon is an example of negative regulation by a repressor whose function is modulated by an inducer

A. true B. false

Biology & Microbiology

Which is NOT ordinarily capable of being reduced at

any time? a. NAD+ b. FAD c. oxygen, O2 d. water e. all of these

Biology & Microbiology

Which class of neurotransmitters is linked to depression and schizophrenia?

a. opiates b. catecholamines c. endorphins d. nitric oxides e. adrenergic

Biology & Microbiology

carbon cycle: soil

What will be an ideal response?

Biology & Microbiology