On Its Icy Surface,Uranus's Satellite Ariel Has Smooth Valleys with Few

question 57

Multiple Choice

On its icy surface,Uranus's satellite Ariel has smooth valleys with few craters,as well as rough areas with many craters.Based on this,what can be concluded?

• A)The valleys are young and the rough areas are old.
• B)The valleys are old and the rough areas are young.
• C)Both valleys and rough areas are young.
• D)Both valleys and rough areas are old.

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Definitions:

Transcription

The process by which the genetic information in DNA is copied to RNA, leading to protein synthesis.

Mediated Transport

The movement of molecules across a cell membrane via specific carrier proteins, including both facilitated diffusion and active transport.

Protein Carrier

Molecules or substances that facilitate the transport of specific proteins across biological membranes or within the bloodstream.

Vesicles

Small, membrane-bound sacs within cells, used to transport and store substances within a cell or to export them outside the cell.