Cell Structure

Question 1

Plasma Membrane

Answer 1

Surrounds aqueous environment of the cell

Question 2

Cytoplasm

Answer 2

all the materials enclosed by the membrane, EXCLUDING the nucleus

Question 3

Cytosol

Answer 3

the aqueous portion of the cytoplasm without the subcellular structures (just the liquids)

Question 4

Bacteriophage (or phage)

Answer 4

viruses that infect prokaryotic cells

Question 5

Prokaryotes

Answer 5

(Bacteria)
don’t have membrane-bounded nucleus, but rather their DNA is stored in a nucleoid region of the cytoplasm
commonly single-celled.

Question 6

Eukaryotes

Answer 6

(Plants, animals, fungi, protists)
has a nucleus and other complex internal structures
Their nucleus has the chromosomes
Much larger than prokaryotic cells! (1000-fold greater)
Contains an intracellular membrane network that subdivides the interior of the cell

Question 7

Are prokaryotes and eukaryotes completely different?

Answer 7

They seem to have had a common ancestor 3 billion years ago!