Lysosomes help destroy worn-out organelles by the process of (blank).

Lysosomes help destroy worn-out organelles by the process of (blank).

A) autolysis
B) autophagy
C) apoptosis
D) acrosomy


Answer: B

Cells have the ability to divide an unlimited number of times.

Cells have the ability to divide an unlimited number of times.

A) True
B) Flase


Answer: B

Which of the following choices shows the correct order of cell diameters, from smallest to largest?

Which of the following choices shows the correct order of cell diameters, from smallest to largest?

A) red blood cell, sperm, oocyte
B) oocyte, sperm, red blood cell
C) sperm, red blood cell, oocyte
D) red blood cell, oocyte, sperm


Answer: C

The enzymes that splice the introns out of the initial mRNA strands are (blank).

The enzymes that splice the introns out of the initial mRNA strands are (blank).

A) proteasomes
B) messenger RNA molecules
C) small nuclear ribonucleoproteins
D) RNA polymerases


Answer: C