Front

Structure free-floating in cytoplasm or attached to ER where proteins are made.

Back

ribosomes

Front

Structure containing genetic material (DNA) in cells.

Back

nucleus

Front

Structure in a cell that stores water, salts, proteins, and carbohydrates.

Back

vacuole

Front

Cell transport that requires no energy.

Back

passive transport

Front

Single-celled organism without a nucleus

Back

prokaryotic

Front

An organism with a nucleus.

Back

eukaryotic

Front

Gradual changes in molecule numbers in a space. High concentration = more molecules; Low concentration = fewer molecules.

Back

concentration gradient

Front

Structure in the cell that makes lipids and proteins

Back

endoplasmic reticulum

Front

Cell transport requiring energy (ATP).

Back

active transport

Front

Diffusion process where molecules cross cell membrane via channel proteins.

Back

facilitated diffusion