BS Cell Biology and Genetics 3

Question 1

What is the function of the cell membrane?

Accepted Answer

To regulate the movement of substances in and out of the cell

Answer

To produce energy for the cell

Answer

To synthesize proteins for export

Answer

To store the cell's genetic material

Question 2

What is osmosis?

Accepted Answer

The diffusion of water across a semipermeable membrane

Answer

The active transport of ions into the cell

Answer

The movement of glucose into cells via carrier proteins

Answer

The breakdown of water molecules during photosynthesis

Question 3

Which organelle is responsible for processing and packaging proteins for secretion?

Accepted Answer

Golgi apparatus

Answer

Endoplasmic reticulum

Answer

Lysosome

Answer

Vacuole

Question 4

What is the difference between prokaryotic and eukaryotic cells?

Accepted Answer

Prokaryotes lack a membrane-bound nucleus; eukaryotes have one

Answer

Eukaryotes lack a nucleus; prokaryotes have one

Answer

Both have membrane-bound nuclei

Answer

Neither type has a nucleus

Question 5

What is the purpose of the cell cycle checkpoints?

Accepted Answer

To ensure the cell is ready to proceed to the next stage of division

Answer

To initiate DNA replication

Answer

To trigger apoptosis in all cells

Answer

To regulate nutrient uptake

Question 6

What is gene expression?

Accepted Answer

The process by which a gene's information is used to produce a functional product

Answer

The physical location of a gene on a chromosome

Answer

The inheritance pattern of a gene across generations

Answer

The deletion of a gene from the genome