,1
Page 1
0
,1. In a bacterial cell, the DNA is in the:
0 0 0 0 0 0 0 0
A) cell envelope. 0
B) cell membrane. 0
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes was the de
0 0 0 0 0 0 0 0 0 0 0 0 0
velopment of: 0
A) DNA.
B) photosynthetic capability. 0
C) plasma membranes. 0
D) ribosomes.
E) the nucleus. 0
3. In eukaryotes, the nucleus is enclosed by a double membrane called the:
0 0 0 0 0 0 0 0 0 0 0
A) cell membrane. 0
B) nuclear envelope. 0
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The dimensions of living cells are limited, on the lower end by the minimum number of bio
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
molecules necessary for function, and on the upper end by the rate of diffusion of solutes s
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
uch as oxygen. Except for highly elongated cells, they usually have lengths and diameters i
0 0 0 0 0 0 0 0 0 0 0 0 0 0
n the range of:
0 0 0
A) 0.1 m to 10 m. 0 0 0 0
B) 0.3 m to 30 m. 0 0 0 0
C) 0.3 m to 100 m. 0 0 0 0
D) 1 m to 100 m.
0 0 0 0
E) 1 m to 300 m.
0 0 0 0
5. Which group of single-
0 0 0
celled microorganisms has many members found growing in extreme environments?
0 0 0 0 0 0 0 0 0
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct. 0 0 0 0 0
Page 2 0
, 2
6. The bacterium E. coli requires simple organic molecules for growth and energy—
0 0 0 0 0 0 0 0 0 0 0
it is therefore a:
0 0 0
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which is a list of organelles?
0 0 0 0 0
A) mitochondria, chromatin, endoplasmic reticulum 0 0 0
B) peroxisomes, lysosomes, plasma membrane 0 0 0
C) proteasomes, peroxisomes, lysosomes 0 0
D) mitochondria, endoplasmic reticulum, peroxisomes 0 0 0
E) All of the answers are correct.
0 0 0 0 0
8. Which list has the cellular components arranged in order of INCREASING size?
0 0 0 0 0 0 0 0 0 0 0
A) amino acid < protein < mitochondrion < ribosome
0 0 0 0 0 0 0
B) amino acid < protein < ribosome < mitochondrion
0 0 0 0 0 0 0
C) amino acid < ribosome < protein < mitochondrion
0 0 0 0 0 0 0
D) protein < amino acid < mitochondrion < ribosome
0 0 0 0 0 0 0
E) protein < ribosome < mitochondrion < amino acid
0 0 0 0 0 0 0
9. The three-
0
dimensional structure of macromolecules is formed and maintained primarily through no
0 0 0 0 0 0 0 0 0 0
ncovalent interactions. Which one of the following is NOT considered a noncovalent inte
0 0 0 0 0 0 0 0 0 0 0 0
raction?
A) carbon-carbon bonds 0
B) hydrogen bonds 0
C) hydrophobic interactions 0
D) ionic interactions 0
E) van der Waals interactions
0 0 0
10. Which element is NOT among the four most abundant in living organisms?
0 0 0 0 0 0 0 0 0 0 0
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
Page 3 0
Page 1
0
,1. In a bacterial cell, the DNA is in the:
0 0 0 0 0 0 0 0
A) cell envelope. 0
B) cell membrane. 0
C) nucleoid.
D) nucleus.
E) ribosomes.
2. A major change occurring in the evolution of eukaryotes from prokaryotes was the de
0 0 0 0 0 0 0 0 0 0 0 0 0
velopment of: 0
A) DNA.
B) photosynthetic capability. 0
C) plasma membranes. 0
D) ribosomes.
E) the nucleus. 0
3. In eukaryotes, the nucleus is enclosed by a double membrane called the:
0 0 0 0 0 0 0 0 0 0 0
A) cell membrane. 0
B) nuclear envelope. 0
C) nucleolus.
D) nucleoplasm.
E) nucleosome.
4. The dimensions of living cells are limited, on the lower end by the minimum number of bio
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
molecules necessary for function, and on the upper end by the rate of diffusion of solutes s
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
uch as oxygen. Except for highly elongated cells, they usually have lengths and diameters i
0 0 0 0 0 0 0 0 0 0 0 0 0 0
n the range of:
0 0 0
A) 0.1 m to 10 m. 0 0 0 0
B) 0.3 m to 30 m. 0 0 0 0
C) 0.3 m to 100 m. 0 0 0 0
D) 1 m to 100 m.
0 0 0 0
E) 1 m to 300 m.
0 0 0 0
5. Which group of single-
0 0 0
celled microorganisms has many members found growing in extreme environments?
0 0 0 0 0 0 0 0 0
A) bacteria
B) archaea
C) eukaryotes
D) heterotrophs
E) None of the answers is correct. 0 0 0 0 0
Page 2 0
, 2
6. The bacterium E. coli requires simple organic molecules for growth and energy—
0 0 0 0 0 0 0 0 0 0 0
it is therefore a:
0 0 0
A) chemoautotroph.
B) chemoheterotroph.
C) lithotroph.
D) photoautotroph.
E) photoheterotroph.
7. Which is a list of organelles?
0 0 0 0 0
A) mitochondria, chromatin, endoplasmic reticulum 0 0 0
B) peroxisomes, lysosomes, plasma membrane 0 0 0
C) proteasomes, peroxisomes, lysosomes 0 0
D) mitochondria, endoplasmic reticulum, peroxisomes 0 0 0
E) All of the answers are correct.
0 0 0 0 0
8. Which list has the cellular components arranged in order of INCREASING size?
0 0 0 0 0 0 0 0 0 0 0
A) amino acid < protein < mitochondrion < ribosome
0 0 0 0 0 0 0
B) amino acid < protein < ribosome < mitochondrion
0 0 0 0 0 0 0
C) amino acid < ribosome < protein < mitochondrion
0 0 0 0 0 0 0
D) protein < amino acid < mitochondrion < ribosome
0 0 0 0 0 0 0
E) protein < ribosome < mitochondrion < amino acid
0 0 0 0 0 0 0
9. The three-
0
dimensional structure of macromolecules is formed and maintained primarily through no
0 0 0 0 0 0 0 0 0 0
ncovalent interactions. Which one of the following is NOT considered a noncovalent inte
0 0 0 0 0 0 0 0 0 0 0 0
raction?
A) carbon-carbon bonds 0
B) hydrogen bonds 0
C) hydrophobic interactions 0
D) ionic interactions 0
E) van der Waals interactions
0 0 0
10. Which element is NOT among the four most abundant in living organisms?
0 0 0 0 0 0 0 0 0 0 0
A) carbon
B) hydrogen
C) nitrogen
D) oxygen
E) phosphorus
Page 3 0
