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Multiple Choice Quiz
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1

The smallest living unit is a _____.
A)proton
B)molecule
C)cell
D)tissue
2

All cells come from preexisting cells.
A)True
B)False
3

All living organisms are multicellular.
A)True
B)False
4

A large cell has more surface area to volume than a small cell.
A)True
B)False
5

The surface area of a cell _____.
A)must be large enough to allow adequate nutrients to enter
B)may be increased by modifications of the plasma membrane
C)must be of adequate size to allow for waste disposal
D)all of the above
6

The smallest cells are _____.
A)viruses
B)bacterial
C)animal
D)plant
7

The magnification capability of a transmission electron microscope is much greater than that of a light microscope.
A)True
B)False
8

Bacterial cells are easily seen without a microscope.
A)True
B)False
9

Which of the following is NOT a feature of bacterial cells?
A)cell wall
B)plasma membrane nucleus
C)ribosomes
10

Photosynthetic bacteria (cyanobacteria) contain ______.
A)chloroplasts
B)thylakoids
C)mitochondria
D)centrioles
11

Bacteria are prokaryotic cells, which means that they lack a nucleus.
A)True
B)False
12

Bacterial cells do not contain DNA.
A)True
B)False
13

Protein synthesis in a bacterial cell is done by _____.
A)ribosomes
B)centrioles
C)flagella
D)thylakoids
14

Motile bacteria move by means of ______.
A)cilia
B)plasmids
C)flagella
D)pseudopods
15

The DNA of a bacteria is located in the _____.
A)nucleoid
B)mitochondria
C)ribosomes
D)nucleolus
16

Bacterial cells may have accessory rings of DNA called plasmids.
A)True
B)False
17

The regulation of molecule movement in and out of the cell is done by the _____.
A)capsule
B)plasma membrane
C)cell wall
D)nucleoid
18

In photosynthetic bacteria (cyanobacteria) the light-sensitive pigments are found in chloroplasts.
A)True
B)False
19

The outermost boundary of prokaryotic cells is their _____.
A)plasma membrane
B)nuclear envelope
C)cytoplasm
D)cell wall
20

The simple structure of bacteria limits where they can live and what material they can use for energy.
A)True
B)False
21

The DNA of eukaryotic cells is contained within a true nucleus.
A)True
B)False
22

Smooth endoplasmic reticulum has attached ribosomes.
A)True
B)False
23

The organized lattice of protein filaments inside the eukaryotic cell is known as the _____.
A)cytoskeleton
B)cell wall
C)RER
D)Golgi apparatus
24

Which of the following is found only in plant cells?
A)ribosomes
B)mitochondria
C)centrioles
D)chloroplasts
25

The post office could be used as an analogy for the _____ because of its processing, packaging and distribution functions.
A)plasma membrane
B)Golgi apparatus
C)chloroplast
D)nucleolus
26

Which of the following has a cell wall?
A)plant cell
B)bacterial cell
C)animal cell
D)both A and B
27

The contents of an animal cell are separated from its environment by the _____.
A)plasma membrane
B)cell wall
C)nuclear envelope
D)SER
28

The cell wall of a plant cell cannot be distinguished from the cell wall of a bacterial cell.
A)True
B)False
29

The endosymbiotic hypothesis attempts to explain _____.
A)the origin of chloroplasts and mitochondria
B)how cells reproduce
C)how photosynthesis occurs
D)the differences between plant and animal cells
30

Which of the following supports the endosymbiotic hypothesis?
A)The shape and size of mitochondria and chloroplasts are similar to bacteria's.
B)Mitochondrial and chloroplast DNA is a circular loop like that of bacteria.
C)Mitochondrial and chloroplast ribosomes resemble those of bacteria.
D)all of the above
31

Some scientists believe mitochondria and chloroplasts may have been bacteria that were engulfed by a larger cell.
A)True
B)False
32

Chromatin contains __________.
A)DNA
B)protein
C)RNA
D)all of the above
33

All types of _____ are produced in the nucleus.
A)proteins
B)carbohydrates
C)RNA
D)lipids
34

The _____ participates in ribosome synthesis and is found in the nucleus
A)plasma membrane
B)SER
C)Golgi apparatus
D)nucleolus
35

The nuclear envelope does not allow anything to enter or exit the nucleus.
A)True
B)False
36

Ribosomes are found in prokaryotic and eukaryotic cells.
A)True
B)False
37

Ribosomes are found _____.
A)within the cytosol
B)attached to endoplasmic reticulum
C)in the nucleus
D)both A and B
38

Ribosomes _____.
A)synthesize proteins
B)contain the DNA
C)synthesize lipids
D)store hydrolytic enzymes
39

Which of the following is a function of the smooth endoplasmic reticulum?
A)steroid synthesis
B)solar energy absorption
C)enzyme synthesis
D)ATP synthesis
40

Proteins are modified, sorted and packaged by the _________.
A)plasma membrane
B)mitochondria
C)Golgi apparatus
D)SER
41

Plant cells are supported by their cell wall and a central vacuole.
A)True
B)False
42

Bacteria that are engulfed by a white blood cell will be destroyed by hydrolytic enzymes inside ________________.
A)ribosomes
B)lysosomes
C)chloroplasts
D)centrioles
43

A plant's leaf cell can be distinguished from other cells by the large number of _____ it contains.
A)chloroplasts
B)centrioles
C)nuclei
D)plasmids
44

Chloroplasts will be found in _____.
A)plant cells
B)algal cells
C)animal cells
D)both A and B
45

Solar energy is used to synthesize carbohydrates in the mitochondria.
A)True
B)False
46

Chlorophyll, the pigment that captures the sun's energy, is found in the _____.
A)stroma
B)thylakoids
C)cristae
D)matrix
47

The energy in carbohydrates is transformed into ATP in the _____.
A)mitochondria
B)nucleus
C)Golgi apparatus
D)chloroplasts
48

Skeletal muscle cells will have a large number of _____ due to their high demand for energy.
A)chloroplasts
B)lysosomes
C)flagella
D)mitochondria
49

The large surface area needed for the participants in cellular respiration is provided by the _____ of the mitochondria.
A)stroma
B)thylakoids
C)cristae
D)matrix
50

Plant and algal cells have chloroplasts and mitochondria.
A)True
B)False
51

Our bones and muscles are comparable to a cell's _____.
A)nucleus
B)plasma membrane
C)cytoskeleton
D)lysosomes
52

Mitochondria are able to synthesize some of the proteins needed for cellular respiration with their own DNA and ribosomes.
A)True
B)False
53

Sperm cells move by means of _______.
A)flagella
B)cilia
C)pseudopods
D)actin filaments
54

Debris that is trapped in mucus is moved away from the lungs toward the throat by _____.
A)flagella
B)cilia
C)pseudopods
D)actin filaments
55

Plant and fungal cells contain centrioles.
A)True
B)False
56

The cytoskeleton of the cell functions to ________________.
A)maintain cell shape
B)anchor organelles
C)allow organelles to move
D)all of the above
57

Actin filaments interact with motor molecules to create movement of the cell.
A)True
B)False
58

Which of the following will NOT be found in abundance in an insulin producing pancreas cell?
A)RER
B)Golgi apparatus
C)chloroplasts
D)ribosomes
59

Prokaryotes are the least adaptable and least successful forms of life on earth.
A)True
B)False
60

Prokaryotic cells are highly compartmentalized.
A)True
B)False





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