If a living plant cell is placed in a beaker with pure water, it will take up water until ____
a. within the cell ?P = ??S
b. it bursts
c. its ?P = 0
d. its ?S = ?S of the pure water
e. its ?S = 0
ANSWER: a
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A mycologist visits your biology class and discusses her research on a particular fungus that lives on the bark of damaged spruce trees. She explains that the fungal hyphae of her research organism is heterokaryotic. You raise your hand and request that she define that word. Her correct response is
A. heterokaryotic means that the nuclei of the fungal hyphae are genetically the same. B. heterokaryotic means that the nuclei of each compartment of the hyphae are genetically distinct. C. heterokaryotic means that each compartment of the hyphae contain two distinct nuclei. D. heterokaryotic means that each compartment of the hyphae contains only one nucleus.
The DNA strand that is replicated smoothly and continuously is called the:
a. primary strand. b. template strand. c. leading strand. d. Okazaki fragment. e. lagging strand.
Multicellularity is a trait that has evolved independently in
A. animals B. plants C. fungi D. all of the above
If a bird eats an insect that ate a plant, the bird is considered a(n)
A) autotroph. B) producer. C) secondary consumer. D) primary consumer. E) tertiary consumer.