The cell's membrane is known as semipermeable (also called selectively permeable) as it will not
normally allow charged or large substances through. Small uncharged substances may cross the
semipermeable membrane with the concentration gradient. This occurs in order for the cell to utilize
these molecules in various cellular functions. What is this process of select molecules moving freely
across the semipermeable membrane called?
Answers: 1
Biology, 21.06.2019 21:30
92 sathe best for the question 11. most animals and plants reproduce sexually. this means that dna is passed down to new organisms from two parental organisms. which of the following is a key advantage of sexual reproduction?
Answers: 3
Biology, 22.06.2019 06:40
Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d
Answers: 1
Biology, 22.06.2019 11:00
In the united states there are strict fishing seasons and limits, but not all countries enforce similar laws. in bangladesh there are few if any fishing restrictions. what might be the reason for less restrictions in smaller countries like bangladesh? a) the united states is the only country worried about overfishing. b) the united states wants to limit the supply of fish to increase the price. c) bangladesh and smaller countries have an unlimited supply of fish in their coastal waters. d) small countries, such as bangladesh, are practicing subsistence fishing, taking only the fish needed to survive.
Answers: 1
Biology, 22.06.2019 22:30
Sedimentary rocks located under the ocean may contain what commercial products
Answers: 1
The cell's membrane is known as semipermeable (also called selectively permeable) as it will not
no...
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