Question

1. Label X and Y.
2. What is the function of X?
3. What is the composition of Y?
4. Identify the above diagram and what is its common name?

Answer 1

(a)

(b) Cristae increase the inner membrane’s surface area and bear components involved in cellular respiration and ATP production.

(c) The matrix contains proteins, enzymes, ions, DNA, RNA and ribosomes.

(d) The diagram is a longitudinal section of a mitochondrion, commonly called the powerhouse of the cell.