Biology Midterm Review 2023

Front

What is total magnification when using a 10x eyepiece and a 4x objective lens?

Back

Total magnification = Eyepiece magnification x Objective lens magnification = 10x x 4x = 40x.

Front

What are the building blocks of proteins?

Back

Amino acids.

Front

Which statement is NOT TRUE about prokaryotic bacteria?

Back

Prokaryotic bacteria do NOT have a membrane-bound nucleus.

Front

What is the primary function of ribosomes in a cell?

Back

Ribosomes are specialized for protein synthesis.

Front

Sugar, starch, and cellulose are examples of what type of biomolecule?

Back

Carbohydrates.

Front

What is the function of the cell membrane?

Back

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

Front

What are enzymes?

Back

Enzymes are proteins that act as catalysts to speed up chemical reactions in the body.

Front

What is the role of DNA in cells?

Back

DNA stores genetic information and provides instructions for protein synthesis.

Front

What are lipids?

Back

Lipids are a group of biomolecules that include fats, oils, and waxes, primarily used for energy storage.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have both.