Explanation

ATP (Adenosine Triphosphate) is called the energy currency of the cell because it stores and provides energy for cellular activities.

It releases energy when converted to ADP (Adenosine Diphosphate), which is then recycled back into ATP through cellular respiration.

Explanation

A vacuole is a sac-like organelle in cells that stores waste materials, water, and nutrients before they are removed or used by the cell.

It plays a key role in maintaining cell homeostasis.

Explanation

A chromosome is made up of proteins and DNA organized into genes.

Each cell normally contains 23 pairs of chromosomes.

Explanation

Group O can donate red blood cells to anybody.

It's the universal donor.

Group kind O negative blood is occasionally called the generic blood donor type.

Only 7% of the population is O negative.

 ND23-4-2023

Explanation

The lifespan of a red blood cell is around 120 days.

Blood cells are made in the bone marrow.