Prosthecate bacteria form
a. stalks.
b. hyphae.
c. appendages.
d. stalks, hyphae, and/or appendages.
Answer: D
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How does gibberellic acid affect stem length in pea plants?
a. Plants with normal stem length have higher levels of gibberellic acid. b. Plants with short stem length have higher levels of gibberellic acid. c. Plants with normal stem length have the dominant allele Le that encodes an enzyme to degrade gibberellic acid. d. Plants with short stem length have the dominant allele Le that encodes an enzyme to degrade gibberellic acid. e. Plants with short stem length are homozygous recessive for the allele le that encodes an enzyme to degrade gibberellic acid.
The success of Chitwan National Park in Nepal is attributed primarily to ____
a. ecotourism b. exclusion of local residents c. ecosystem valuation d. benefits provided to local residents e. income derived through hunting
Which process results in a zygote?
a. meiosis. b. mitosis. c. fertilization. d. none of the above.
Bony fish usually do not need to adjust pupil size because:
a. their eyelids protect their eyes from bright light. b. the quantity of light is relatively low. c. they can move their lens forward and backward. d. a in conjunction with c