Biology Fall Semester Exam 1 Practice

Front

What is the structure of a DNA molecule?

Back

A DNA molecule is best described as a double helix.

Front

What is diffusion?

Back

Diffusion is a passive transport process that involves the movement of molecules from an area of higher concentration to an area of lower concentration.

Front

Which process produces the most ATP?

Back

Aerobic respiration produces the most ATP.

Front

What is osmosis?

Back

Osmosis is the diffusion of water across a semi-permeable membrane.

Front

What organelle is NOT found in a prokaryote?

Back

The nucleus is NOT found in a prokaryote.

Front

What is the function of ribosomes?

Back

Ribosomes are responsible for protein synthesis in cells.

Front

What is the role of the cell membrane?

Back

The cell membrane controls the movement of substances in and out of the cell.

Front

What is the difference between aerobic and anaerobic respiration?

Back

Aerobic respiration requires oxygen, while anaerobic respiration occurs without oxygen.

Front

What is the primary function of mitochondria?

Back

Mitochondria are known as the powerhouse of the cell, generating ATP through respiration.

Front

What is the significance of the semi-permeable membrane?

Back

A semi-permeable membrane allows certain substances to pass while blocking others, crucial for maintaining homeostasis.