Fleshy fruits with hard seed coats, such as cherries, are more likely to be dispersed by ____ than by other means
a. wind
b. adhering to animal fur
c. passing through animal guts
d. falling to the ground, rotting, and releasing their seeds
e. water currents
ANSWER: c
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Retroviruses are unique in that they
A. replicate in nervous system cells. B. do not have a capsid. C. use RNA as a template to make DNA. D. use DNA as a template to make RNA.
Four of the five answers listed below are true of a neuron at resting potential. Select the exception
a. The interior of a neuron is positive. b. The interior of a neuron has a negative charge. c. There are more sodium ions outside a neuron. d. There are more potassium ions inside a neuron. e. The membrane of a neuron is polarized.
Drugs that kill or inhibit bacteria are known as ________
Fill in the blank(s) with correct word
What is the main benefit that a plant receives from a mycorrhizal association?
a. removal of excess carbohydrates b. enhanced water uptake c. enhanced flow of carbohydrates to the roots d. enhanced mineral ion uptake