9.1

Question 1

Prokaryote Vs. Eukaryote

Answer 1

Prokaryotes have no membrane-based organelles, such as mitochondria, and sometimes have two cell membranes; they are also sometimes able to perform photosynthesis. Eukaryotes have membrane-based organelles, and the cells are capable of specializing to perform specific tasks in a larger organism.

Question 2

Cytoskeleton

Answer 2

Long fibers that provide structural support for the cell.

Question 3

Cell membrane

Answer 3

layer that encircles the cell and controls what get in and out

Question 4

Mitochondria

Answer 4

breaks down molecules to form ATP

Question 6

Nucleus

Answer 6

Stores DNA; location of transcription

Question 7

Ribosomes

Answer 7

Small structures without membrane, translate mRNA to make proteins.

Question 8

Endoplasmic Reticulum (ER)

Answer 8

Smooth ER produces lipids and hormones; rough ER has protein-producing ribosomes on the surface.