Semester 1 Review HB

Front

What is the polymer for proteins?

Back

Polypeptide

Front

What type of cell is characterized by a nucleus and membrane-bound organelles?

Back

Eukaryotic cell

Front

How does a cell maintain homeostasis?

Back

By regulating what enters and leaves the cell.

Front

Which organelle controls what substances may enter or leave cells?

Back

Cell membrane

Front

In an atom, the number of protons is equal to the number of ____________.

Back

Electrons

Front

What is the basic unit of life?

Back

Cell

Front

What is the function of the cell membrane?

Back

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

Front

What are the building blocks of proteins?

Back

Amino acids

Front

What type of cell lacks a nucleus?

Back

Prokaryotic cell

Front

What is homeostasis?

Back

The maintenance of a stable internal environment in an organism.