Answer:
<em>The correct option is C) 1,2 and 3</em>
Explanation:
Sodium- Potassium pump: Sodium- potassium pump uses ATP to move sodium and potassium ions in opposite directions against the concentration gradient. In one pump, three sodium ions move outside the cell whereas two potassium ions move inside the cell.
Exocytosis: Exocytosis can be described as a form of active transport in which molecules move out of a cell.
Endocytosis: Endocytosis can be described as a process which utilizes ATP to transport molecules inside a cell.
Answer:
No.
Explanation:
Some organelles are found only in some cell types.
Answer:
D. The sympathetic system prepares the body for stress and activity and the parasympathetic system prepares the body for rest.
Explanation:
- Sympathetic and Parasympathetic nervous system are two divisions of autonomic nervous system.
- Acetylcholine is a common neurotransmitter released by preganglionic neurons of both systems.
- The post Ganglionic neurons of these two systems release different neurotransmitter.
- The sympathetic nervous system is concerned with 'fight and flight response'
- The parasympathetic nervous system is concerned with 'rest and digest ' response.
Answer:
oxygen, carbon, hydrogen, nitrogen, calcium and phosphorus.
Explanation:
Answer:
Chlorophyll
Explanation:
chlorophyll is a photosynthetic green pigment that are found in mostly plants and algae, and they help plants absorb energy from the sun. they can be found in the chloroplast.
