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NUR149 - Week 8 to Week > Week 8 Practice Quiz (33%) > Flashcards

Week 8 Practice Quiz (33%) Flashcards

0
Q 
Which of the following would be found abundantly in a cell with high metabolic activity?
A. Mitochondria
B. carbohydrates
C. Lipids
D. Proteins p
A

A. Mitochondria

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1
Q 
Which of the following would not be a constituent of a plasma (cell) membrane?
A. Glycolipids
B. secretory proteins
C. Glycoproteins
D. Cholesterol
A

B. secretory proteins

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2
Q 
Which of the following cellular phenomena would be affected by the absence of microtubules?
A. Motility
B. arrangement of cell organelles
C. Cell division
D. All of the above
A

D. All of the above

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3
Q 
Which of the following is not a function of a plasma membrane protein?
A. Hormone receptor
B. molecular transport
C. Structural support
D. Cellular charge
A

A. Hormone receptor

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4
Q 
Which of the following is considered to be the 'musculature' of the cell?
A. Mitochondria 
B. endoplasmic reticulum
C. Nucleus
D. Cytoskeleton
A

D. Cytoskeleton

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5
Q 
Pseudopodia are:
A. Extensions of the cytoplasm
B. used in amoeboid movement
C. False feet
D. All of the above
A

D. All of the above

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6
Q 
The cell membrane model in which proteins are floating in a phospholipid "sea" is called the:
A. Fluid-mosaic model
B. floating protein model
C. Hydrophobic phospholipid model
D. High fashion model
A

A. Fluid-mosaic model

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7
Q

A pinocytically ingested food particle has a double lipid layer membrane just as does the cell membrane. True or false

A

True

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8
Q

Cytoplasm is a homogenous solution. True or false

A

False

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9
Q

The major purpose of the mitochondria is:
A. Protein synthesis
B. storage of digestive enzymes
C. Storage of the DNA needed to control the cell
D. Energy production

A

D. Energy production

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10
Q 
Which of the following does not have a double membrane?
A. Mitochondria
B. nucleus
C. Lysosome
D. All of the above
A

C. Lysosome

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11
Q 
A primary lysosome contains:
A. Undigested wastes
B. no material
C. Digestive enzymes only
D. Partially digested material
A

C. Digestive enzymes only

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12
Q 
Lysosomes are referred to as all but which of the following?
A. Suicide bags
B. residual bodies
C. Cells digestive system 
D. The cells powerhouse
A

??

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13
Q 
Which of the following types of cells contain the most mitochondrial material?
A. Muscle cells
B. blood cells
C. Epithelial cells
D. Replicating cells
A

A. Muscle cells

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14
Q

It is believed by scientists that mitochondria were on e a bacterial organism? True or False

A

True

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15
Q

A single mitochondrion would be able to survive on its own without the rest of the cell? True or false

A

False

16
Q

Autophagy is a process carried out by lysosomes? True or false

A

True

17
Q

Mitochondria are fixed organelles, unable to migrate in the cytoplasm? True or false

A

True

18
Q 
All of the following cell structures or organelles are associated with a membrane except: 
A. Mitochondria
B. peroxisomes
C. Nucleoli
D. Vacuoles
A

C. Nucleoli

19
Q

Skeletal muscle tissue is unable to undergo hyperplasia because:
A. A sufficient amount if nucleic acids are not available for DNA replication
B. so much energy is used up in muscle cell function
C. They have no centrosomes
D. Muscle cells do not contain true nuclei

A

C. They have no centrosomes

20
Q 
The nucleus of the cell contains:
A. Mitochondria 
B. chromatin
C. Ribosomes
D. Lysosomes
A

B. chromatin

21
Q 
All of the following cells would probably have an abundance of rough endoplasmic reticulum except:
A. Pituitary cells 
B. adrenal cells
C. Lung cells
D. Pancreas cells
A

C. Lung cells

22
Q 
Smooth and rough endoplasmic reticulum differ in: 
A. Ribosome presence
B. protein composition
C. Secretions
D. Lipid formation
A

A. Ribosome presence

23
Q 
Ribosomes are composed of:
A. RNA
B. DNA
C. Codons
D. Microtubules
A

A. RNA

24
Q 
An abnormally high cellular concentration of lipids and glycogen suggest a dysfunction of:
A. Endoplasmic reticulum
B. centrioles
C. Mitochondria
D. Lysosomes
A

A. Endoplasmic reticulump

25
Q

The nucleus is the only part of the cell that contains DNA? True or False

A

False

26
Q

The _________ model of the cell membrane consists of a double layer of phospholipids, with the phosphates orientated outward and the hydrophobic hydrocarbons orientated toward the centre.

A

Fluid-mosaic

27
Q

Cytoplasmic extensions, called ________, permit certain cells such as white blood cells, to move in an amoeboid fashion.

A

Pseudopodia

28
Q

During _________, the cell membrane invaginate a producing a deep furrow into which particles become entrapped and eventually sealed off and brought into the cell.

A

Endocytosis

29
Q

Lysosomes within a cell are responsible for _________, a process that destroys worn-out organelles so that they can be continuously replaced.

A

Autophagy

30
Q

The cell nucleus is surrounded by a _________ composed of an inner and outer membrane

A

Nuclear envelope

NUR149 - Week 8 to Week (11 decks)

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