Unit 2 Cells Test

Front

What is endocytosis?

Back

A type of active transport that brings particles into a cell when the cell membrane encloses a particle to form a vesicle.

Front

What is a sister chromatid?

Back

One of the two identical halves of a duplicated chromosome, connected at the centromere.

Front

What are lysosomes?

Back

Cell organelles responsible for digesting food, worn out organelles, and other cellular wastes.

Front

What is the function of the cell membrane?

Back

It controls what can enter or leave a cell.

Front

What is a stimulus?

Back

The 'cause' for something to happen, which can trigger a response in an organism.

Front

What is active transport?

Back

The movement of molecules across a cell membrane using energy, against their concentration gradient.

Front

What is passive transport?

Back

The movement of molecules across a cell membrane without the use of energy, along their concentration gradient.

Front

What is the role of mitochondria?

Back

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

Front

What is homeostasis?

Back

The process by which living organisms maintain a stable internal environment despite external changes.

Front

What is a chromosome?

Back

A structure made of DNA and proteins that contains genetic information.