First Semester Final Review

Front

What are the three main components of a nucleotide?

Back

Sugar, phosphate, nitrogen base.

Front

Which biomolecule is NOT a part of the cell membrane?

Back

Nucleic Acids.

Front

How many daughter cells are produced in Meiosis?

Back

4.

Front

What type of molecule is single-stranded and contains uracil?

Back

RNA.

Front

What is the term for the movement of particles from high to low concentration?

Back

Diffusion.

Front

What is the primary function of lipids in the cell membrane?

Back

To provide structure and support.

Front

What is the role of proteins in the cell membrane?

Back

To facilitate communication and transport.

Front

What is facilitated diffusion?

Back

The process of passive transport of molecules across a membrane via specific transmembrane integral proteins.

Front

What is the difference between active transport and passive transport?

Back

Active transport requires energy to move substances against their concentration gradient, while passive transport does not.

Front

What is the structure of DNA?

Back

A double helix composed of nucleotides.