A Quiz On AP Bio For Pros Ch 29 Quiz
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Bacteria have DNA and RNA floating freely in cytoplasm, it has a cell wall and a cell membrane, whereas a virus is simply DNA or RNA enclosed within a coat of protein. Test out what you understood about on these two in chapter 29 by taking up the quiz below.
- 1.
- A.
A noncellular living organism
- B.
One of the smallest bacteria known
- C.
A member of the kingdom Virusae
- D.
A cell at the boundary between living and nonliving things
- E.
Chemical complexes of RNA or DNA protected by protein
- 2.The innermost portion of a virus's structure is made up of
- A.
A membranous envelope.
- B.
Both DNA and RNA.
- C.
Either DNA or RNA.
- D.
A protein capsid.
- E.
A protein spore coat.
- 3.Which statement is true about prokaryotes?
- A.
They contain a nucleus.
- B.
They lack ribosomes.
- C.
They usually lack a cell wall.
- D.
They do not divide by mitosis.
- E.
They contain a single circular DNA molecule as the genetic material.
- 4.Prokaryotae are now divided into the
- A.
Archaea and cyanobacteria.
- B.
Bacteria and cyanobacteria.
- C.
Photosynthetic bacteria and chemosynthetic bacteria.
- D.
Archaea and bacteria.
- E.
Autotrophs and heterotrophs.
- 5.A bacteriophage is a virus that attacks only bacteria as its host cells.
- A.
True
- B.
False
- 6.An environmental change, such as exposure to ultraviolet light, may cause a lysogenic bacterium to enter a lytic cycle.
- A.
True
- B.
False
- 7.One of the most effective ways of controlling a viral disease in animals is to use vaccines.
- A.
True
- B.
False
- 8.Probably the most important means of gaining new genetic material for prokaryotic evolution is sexual recombination.
- A.
True
- B.
False
- 9.A Gram stain will turn a gram-negative cell purple and a gram-positive cell red.
- A.
True
- B.
False
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