When light strikes the rod cell, it becomes ________ and glutamate release onto bipolar cells ________.
A. excited; increases
B. depolarized; increases
C. hyperpolarized; decreases
D. hyperpolarized; increases
E. depolarized; decreases
Answer: C
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Match the following items with the correct phrases.
_______1. Semisynthetic penicillins that are known as penicillinase-resistant penicillins. _______2. Examples of antibiotics that inhibit cell wall synthesis. _______3. Semisynthetic penicillins that are not resistant to penicillinase. _______4. Examples of antibiotics that inhibit protein synthesis. _______5. Examples of antibiotics produced by molds. a. penicillin, bacitracin, cephalosporins, vancomycin b. ampicillin and carbenicillin c. methicillin, oxacillin, cloxacillin, nafcillin d. tetracycline, chloramphenicol, erythromycin, streptomycin e. penicillin and cephalosporins, but not bacitracin and vancomycin
Mouse pigmentation is subject to epistasis of the B alleles by the d alleles. B (black) is dominant over
b (brown). D is dominant over d. Homozygous d is epistatic to the black and brown genes. Given this information, what genotypes give you a white mouse?
a. BBdd b. Bbdd c. bbDD d. bbDd e. BBdd and Bbdd
Diagram a flower, labeling the parts and identify the function of each labeled part from the following list: a)
reproduction male, b) reproduction female, c) attracting a pollinator, d) point of attachment of flower parts, and e) protection for a bud. What will be an ideal response?
The enzymes and electron carriers involved in electron transport and oxidative phosphorylation are located in the ________ membrane of the mitochondrion.
A. neither inner nor outer B. outer C. inner D. inner and outer