Biology Notes Review

A collection of flashcards based on the students' biology notes covering key concepts, definitions, and functions related to biology.

What are the four biological molecules?

Nucleic acids, Proteins, Carbohydrates, Lipids.

What is the fundamental unit of life in all living organisms?

Cells.

What distinguishes prokaryotic cells from eukaryotic cells?

Prokaryotic cells lack a nucleus.

Define isotopes.

Isomers are organic molecules with identical molecules but different arrangements of atoms.

What are the two strands of DNA composed of?

Nucleotides with bases A, T, C, and G.

What is the primary function of ribosomes?

To produce proteins.

List the types of fats and their characteristics.

Saturated fats (solid, straight shape), Unsaturated fats (liquid, bent shape), Trans fats (solid straight shape, bad fat).

What are the components of an amino acid?

A central carbon atom, an amino group, a carboxyl group, and a side chain (R group).

Define hypothesis.

An educated guess based on observations.

What role does the endoplasmic reticulum (ER) play in the cell?

It is where proteins are produced and folded.