Answer:
The correct option is: e. molecules move across the plasma membrane against their concentration gradient
Explanation:
Active transport refers to the <u>movement of the particles or molecules from higher concentration to lower concentration, across the plasma membrane of a cell.</u> This transport requires cellular energy as the movement of the molecules is <u>against the concentration gradient</u>.
Active transport can be divided into primary and secondary active transport.
Answer:
It's C
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There are 6 levels of organisational structure of the human body...
1. Chemical level
2.Cellular level
3. Tissue level
4. Organ level
5. System level
6. Organismal level
Highest level is organismal.
The pressure is increased as depth increases.
Explanation:
The pressure is the force exerted on the area unit of an object.
The part of a cell that gives the cell unique characteristics is the Nucleus