Answer:
The answer is b. Both of them are characterized by selective permeability.
Explanation:
- Option a. states that both, the nuclear and the cell membrane have two layers. This is only true for the nuclear membrane that consists of two lipid bilayers whereas the plasma membrane only contains one layer.
- c. Only the nuclear membrane has nuclear pores that connect the two bilayers. The pores act as protein channels or passages that allow transport of materials. The cell membrane does contain channel proteins or transmembrane proteins but not protein channels.
- d. The nuclear membrane separates nuclear contents from the cytoplasm whereas the cell membrane separates cellular contents from the extracellular environment.
Answer:
The answer would be C) Nitrogen
Explanation:
Answer:
Ciliate
Explanation:
They can move, eat other creatures, and are unicellular.
A genetic disorder that is passed down from the parents. They can only be gained if it is present in the parents.
Birth rates are higher in LEDCs or LICs and the people becoming pregnant are at younger ages. A way to decrease birth rates is to teach people about contraceptive methods. This also means less disease is spread.
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