Is there supposed to be a picture?
Answer:
proteins
Explanation:
Transport protein is responsible for the movement of molecules across the cell membrane. This process occurs in active transport. Active transport is a type of transport in which energy is used in the form of Adenine tri phosphate (ATP) to move particle across semi-permeable of the cell. Molecules such as nutrients, Sodium, glucose, oxygen and carbondioxide can pass through it.
Answer:
B. In plants, there are no sister chromatids.
The answer is C. Separate into ions
The period is the time it takes the satellite to make a complete orbit around the central object. As the distance increases, so does the period because the orbit becomes longer because the radius increases.
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