NEX Biology: Cell Structure and Function

Question 1

What is the basic structural and functional unit of all living organisms?

Accepted Answer

Cell

Answer

Atom

Answer

Molecule

Answer

Tissue

Question 2

Which organelle is primarily responsible for producing ATP (energy) in a cell?

Accepted Answer

Mitochondria

Answer

Nucleus

Answer

Ribosome

Answer

Golgi apparatus

Question 3

What is the primary function of the cell membrane?

Accepted Answer

To regulate what enters and exits the cell

Answer

To produce energy for the cell

Answer

To store genetic information

Answer

To synthesize proteins

Question 4

Which organelle contains the cell's DNA and serves as the control center of cellular activities?

Accepted Answer

Nucleus

Answer

Cytoplasm

Answer

Mitochondria

Answer

Ribosome

Question 5

What is the primary function of ribosomes in a cell?

Accepted Answer

Protein synthesis

Answer

Energy production

Answer

Lipid storage

Answer

DNA replication

Question 6

Which type of cell lacks a membrane-bound nucleus?

Accepted Answer

Prokaryotic cell

Answer

Eukaryotic cell

Answer

Animal cell

Answer

Plant cell

Question 7

What is osmosis?

Accepted Answer

Movement of water across a semipermeable membrane from high to low water concentration

Answer

Movement of solutes from low to high concentration

Answer

Active transport of molecules requiring ATP

Answer

Movement of large particles through membrane pores