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Answer to Question #32112 in Other Biology for malik

Question #32112
1)_______ lack a nuclear membrane and membrane-bound organelles.
A)Plants

B)Animals

C)Bacteria

D)all of the above

1)_______ may have formed the oxygen released into the early atmosphere.
A)Saprophytic bacteria

B)Cyanobacteria

C)Symbiotic bacteria

D)none of the above

3)Gram-positive bacteria have a thick cell wall composed of
A)cellulose.

B)peptidoglycan.

C)glycogen.

D)none of the above

4)Gram-negative bacteria also have an additional outer _______ that resists the stain.
A)mitochondria

B)wall

C)membrane

D)none of the above

5)Which of the following is a way bacteria can cause disease?
a)destroying cells

B)releasing toxins

C)contaminating food

D)none of the above

6)Both Archaea and Bacteria used to be classified in which of the following kingdoms?
A)Protista

B)Animalia

C)Monera

D)none of the above

7)Archaea are most closely related to
A)bacteria.

B)eukaryotes.

C)both a and b

D)none of the above

8)Where could you find mesophiles?
A)sewage treatment plants

B)marshlands

C)typical soil

D)all of the above

9)Most Archaeans lack a peptidoglycan


A)operon.

B)nucleoid.

C)cell wall.

D)none of the above

10)The most ancient bacteria fossils were found in


A)tar pits.

B)the desert.

C)marine rocks.

D)none of the above

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