Biology 205-Mid-Term Exam Review (Summer 2024)

What type of cell has a nucleus?

• eukaryotic

• prokaryotic

• neither

• both

Prokaryotes do NOT have....

• membrane bound organelles

• DNA or RNA

• Cell membrane

• Life

Bacteria are considered what?

• Eukaryotes

• Prokaryotes

A fossilized cell is discovered, and evidence suggests it reproduced on its own and had DNA, but a membrane did not enclose its DNA. Which type of organism would this most likely be?

• prokaryote
• eukaryote
• plant cell
• animal cell

Match the following bacteria shapes to the correct term

• Spiral

• Bacillus

• Rod or Stick

• Spirillum

• Sphere or Round

• Coccus

Tags

LS2

Viruses contain genetic material which carries the instructions for the construction of new virus particles. This genetic material is primarily composed of-

• phospholipids

• polysaccharides

• nucleic acids

• polypeptides

Viruses are considered

• living things

• non-living things

• partially living things

viruses are non-living because

• they cannot reproduce on their own

• they do not evolve

• they have no genetic material

• they cannot be destroyed

Thick peptidoglycan in cell wall

• Gram positive bacteria

• Gram negative bacteria

Thin peptidoglycan in cell wall

• Gram positive bacteria

• Gram negative bacteria