Which substance is most likely an enzyme?
A) proline
B) stearic acid
C) endopeptidase
D) acetylcholine
C
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What would enhance water uptake by a plant cell?
A) decreasing the ? of the surrounding solution B) increasing the pressure exerted by the cell wall C) the loss of solutes from the cell D) increasing the ? of the cytoplasm E) positive pressure on the surrounding solution
Refer to Figure 30-1. The development pattern labeled Type A is characteristic of:
a. ctenophores.
b. chordates.
c. cnidarians.
d. annelids.
e. echinoderms.
Sharks that are ____ incubate their eggs within the mother’s body
a. oviparous b. viviparous c. ovoviviparous d. placental e. eutherial
Molecules released by an individual into the environment that trigger behavioral responses in other individuals are called:
a. rubiscos. b. pheromones. c. alarm signals. d. phospholipids. e. language.