Explanation

Main Parts of a Cell:

Last verified on 09-05-2026

Explanation

• Vitamin K helps to make various proteins that are needed for blood clotting and the building of bones.
• Prothrombin is a vitamin K-dependent protein directly involved with blood clotting.

• Vitamin C may protect the body against the effects of pollution.
• It may also prevent blood clots and reduce bruising.

Last verified on 31-03-2026

Explanation

• The nucleus is the control center of the cell.
• It contains genetic material (DNA) that directs all cell activities.
• Without the nucleus, the cell loses coordination and regulation.
• Basic processes like growth, protein synthesis, and division stop.
• The most fundamental function affected first is control of activities.

Last verified on 08-05-2026

Explanation

• Body-building nutrients are essential for growth and repair of tissues.
• The main body-building nutrient is proteins.
• Lack of proteins in children leads to poor growth and weakness.
• Protein deficiency is most directly linked to impaired body development.

Last verified on 08-05-2026

Explanation

• Cell membrane is the outer protective covering of the cell.
• It controls what enters and leaves the cell.
• It works like a selective barrier.
• Also called plasma membrane.
• Allows useful substances in and waste out.
• Maintains balance inside the cell (homeostasis).

Last verified on 07-05-2026