What is the smallest unit that can evolve?
A) The community
B) The population
C) The individual
D) The cell
B
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At the molecular level, how do proteins like repressors bind to DNA? How can binding affinities be increased or decreased?
What will be an ideal response?
The genome of influenzavirus is
A) multiple pieces of linear dsDNA. B) a single circular ssRNA. C) a single linear dsRNA. D) a single circular ssDNA. E) multiple pieces of linear ssRNA.
Match the following items with the correct phrases.
_______1. ____________________ are examples of antibiotics that are produced by fungi. _______2. ____________________ are in a class of drugs known as penicillinase-resistant penicillins. _______3. ____________________ are examples of drugs that are used to treat tuberculosis. _______4. ____________________ are examples of drugs that inhibit protein synthesis. _______5. ____________________ are examples of drugs that could be destroyed by b-lactamases. a. Bactrim and Septra b. chloramphenicol, erythromycin, and tetracycline c. isoniazid, rifampin, pyrazinamide, ethambutol, and streptomycin d. methicillin, nafcillin, oxacillin, and cloxacillin e. penicillin and cephalosporin
The hippocampus, amygdala, and hypothalamus are the major components of the ______ system.
A. sympathetic B. reflex C. parasympathetic D. limbic E. autonomic