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Pre-Test
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1
The shape of cells in the body vary based on their
A)maturity
B)function
C)location of reproduction
D)ability to reproduce
2
The organelles are found in the
A)cytoplasm of the cell
B)nucleus of the cell
C)cell membrane
D)cytoplasm and nucleus
3
Which of the following statements about the cell membrane in the bilayer model is incorrect?
A)The membrane forms a boundary around the cellular contents.
B)The membrane allows some substances to enter and leave the cell but not others.
C)The basic structure of the cell membrane is a lipid-protein bilayer.
D)The interior of the cell membrane allows water-soluble substances to pass through it.
4
Glycoproteins on the surface of the cell membrane
A)control the entry and exit of substances from the cell
B)provide a reservoir of energy for intracellular functions
C)recognize self versus non-self
D)serve as hormone receptors
5
Interconnecting flattened sacs and elongated canals that may contain ribosomes are part of the
A)endoplasmic reticulum
B)Golgi apparatus
C)mitochondria
D)lysosomes
6
The Golgi apparatus
A)is the site of protein synthesis
B)plays a central role in the transport of large substances from inside to outside the cell
C)brings substances into the cell by pinching off sections of cell membrane
D)breaks down alcohol and hydrogen peroxide
7
Energy released from glucose and other nutrients is made useful to cells by the
A)endoplasmic reticulum
B)Golgi apparatus
C)mitochondria
D)lysosomes
8
The "garbage disposals of the cell" are the
A)endoplasmic reticulum
B)centrosomes
C)peroxisomes
D)lysosomes
9
Which of the following will most likely not reach equilibrium?
A)diffusion
B)facilitated diffusion
C)active transport
D)all will reach equilibrium
10
Which term best describes the function of vesicles?
A)protein synthesis
B)energy production
C)transport
D)secretion





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