How many proteins appear to be related to the differences in shell color?
a. 1
b. 2
c. 3
d. 4
a
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________ bind two or more ions or molecules and transport them in opposite directions across a membrane.
A. uniporters B. symporters C. antiporters D. dual transporters E. channel pumps
You find some rather strange plants in your backyard. They consist only of thin, pale yellow stems that are wrapped around other species of plants growing nearby. You experiment by unwrapping some of the strange yellow plants and planting half of them alone in pots of soil and half in pots with other plants from your yard. You water and fertilize both sets of pots, but after a few weeks you find that the yellow plants that were potted alone have died, while those potted with other plants are thriving. What term would you use to describe the strange yellow plants?
A. asexual B. holoparasitic C. monophagous D. aposematic E. hemiparasitic
An echinoderm's endoskeleton is comprised of ossicles
Indicate whether the statement is true or false
The founder effect differs from a population bottleneck in that the founder effect ________.
A. is a type of natural selection B. can occur only on an oceanic island colony C. involves the isolation of a small colony of individuals from a larger population D. requires a small population