____ allow passage of small molecules between cells
Fill in the blank(s) with the appropriate word(s).
gap junctions
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You are visiting a relative many miles from your home, and you hear them complain about how all the squirrels in the area are making nests in the cars parked in the driveways
You note that their squirrels are the same species as the one you know from home. Where you live, most people park in their driveways too, but there the squirrels tend to nest in the roofs of houses. What does this difference in activity between these populations of squirrels demonstrate? A. culture B. language C. consciousness D. All of the answer options are correct.
Can the PCR technique be used to copy an entire chromosome all at once?
A. No, the PCR machine can only copy fragments of DNA. B. No, only the genes would be copied. C. Yes, that is its primary function. D. There is not enough information provided to answer
If a plant were grown in a nutrient solution containing all known essential elements except one, this
would be an example of: a. agriculture. b. mutualism. c. weathering. d. hydroponics. e. salinization.
In which structure does fertilization take place?
A) uterus B) ovary C) oviduct D) cervix