Cell Structure & Function

Question 1

Chromosome

Answer 1

DNA molecule, circular or linear, depending on the species, is usually associated with specific proteins that bind to the DNA

Question 2

Ribosome

Answer 2

a molecular machine consisting of RNA and proteins that is the site of protein synthesis

Question 3

Organelle

Answer 3

any membrane-bound compartment inside a cell

Question 4

Cytoskeleton

Answer 4

rod-like proteins inside cells that function in structural support, transport of materials, and movement in some species

Question 5

Cell Wall

Answer 5

a stiff structure outside of the cell membrane composed of carbohydrates and other molecules

Question 6

Nucleus

Answer 6

An organelle unique to eukaryotes enclosed by a double membrane and containing the cell’s chromosomes

Question 7

Flagellum

Answer 7

A long, flexible structure that extends from the cell and whips or rotates to propel the cell through water

Question 8

Mitochondrion

Answer 8

An organelle found in all eukaryotes that functions in “burning” sugars to provide energy for the cell

Question 9

Eukaryote

Answer 9

A lineage of species with cells that contain a nucleus and mitochondria

Question 10

Prokaryote

Answer 10

A species in the lineages Archaea and Bacteria, with cells that lack a nucleus