Keystone biology Module A

Front

Which process involves the movement of molecules from an area of high concentration to an area of low concentration without using energy?

Back

Passive transport

Front

What is the process by which living organisms maintain a stable internal environment?

Back

Homeostasis

Front

The smallest unit of life is the:

Back

Cell

Front

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

Back

Mitochondrion

Front

What is the primary function of the cell membrane?

Back

Regulate the passage of substances into and out of the cell.

Front

Which of the following is TRUE about enzymes? Options: They increase the activation energy of a reaction, They are consumed in chemical reactions, They have an active site that has a specific shape for a specific substrate, They slow down metabolic processes

Back

They have an active site that has a specific shape for a specific substrate.

Front

What is the main function of chloroplasts in plant cells?

Back

Photosynthesis

Front

Which organelle is responsible for making proteins in the cell?

Back

Ribosome

Front

Which type of transport requires energy input from the cell? Options: a. Passive transport, b. Osmosis, c. Active transport, d. Facilitated diffusion

Back

Active transport

Front

The process of converting glucose into ATP in the presence of oxygen is known as:

Back

Cellular respiration