1. Which is usually NOT true of archaea?
A) They move using flagella.
B) They reproduce by mitosis.
C) They contain rigid cell walls.
D) They are found as single cells.
E) They are prokaryotes.
2. Select the TRUE statement(s) regarding eukaryotes.
A) Eukaryotes are all multicellular organisms AND have amembrane around the DNA.
B) Eukaryotes have a more complex internal structure thanarchaea or bacteria.
C) Eukaryotes have a simpler internal structure than archaea orbacteria AND have a membrane around the DNA.
D) Eukaryotes have a membrane around the DNA.
E) Eukaryotes have a more complex internal structure thanarchaea or bacteria AND have a membrane around the DNA.
3. The prokaryotic domain includes
A) bacteria.
B) archaea.
C) eukarya.
D) bacteria, archaea, AND fungi.
E) bacteria AND archaea.
4. A new organism was found that was unicellular and 1 cm long.The “large” size of this organism alone would
A) mean that it could not be a bacterium.
B) mean that it must be a protozoan.
C) not be useful in identification.
D) mean that it had to be in the domain Eukarya.
E) suggest that it is a virus.
5. Dehydration reactions are involved in
A) the formation of polypeptides AND the formation ofmonosaccharides.
B) the formation of polysaccharides AND the formation ofnucleotides.
C) the formation of polypeptides AND the formation ofpolysaccharides.
D) the formation of monosaccharides AND the formation of aminoacids.
E) the formation of polypeptides AND the formation ofnucleotides.
6. Which is NOT true of lipids?
A) They are a major structural element of all cellmembranes.
B) They control the movement of molecules into and out of acell.
C) They separate a cell from its environment.
D) Examples include steroids and phospholipids.
E) They are a homogeneous group of molecules.
