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Post-Test
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1
The __ is the fundamental unit of structure and function of all living things.
A)nucleus
B)mitochondrion
C)cell
D)cytoplasm
2
In eukaryotic cells, the ________ contains the majority of the genetic material.
A)Golgi bodies
B)nucleus
C)endoplasmic reticulum
D)nucleolus
3
Normally, body fluids are ______ to cells.
A)hypertonic
B)isotonic
C)hypotonic
D)atonic
4
Coenzymes are primarily made of _____.
A)lipids
B)cholesterol
C)vitamins
D)proteins
5
_______ occurs anaerobically in the cytoplasm of cells.
A)Translation
B)Citric acid cycle
C)The electron transport chain
D)Glycolysis
6
The maximum size of cells is determined by the _____.
A)surface area-to-volume ratio
B)amount of cytoplasm
C)number of organelles it contains
D)size of the organism
7
The plasma membrane is considered______.
A)impermeable
B)totally permeable
C)selectively permeable (semipermeable)
D)None of these answers are correct.
8
A protein carrier and the use of cellular energy are required in ____.
A)passive transport
B)active transport
C)diffusion
D)osmosis
9
Protein fibers called _____ are involved in cell movement.
A)centrioles
B)microtubules
C)actin filaments
D)intermediate filaments
10
The _______ of a microscope is its ability to discern detail in enlarged images is called:
A)magnification
B)refraction
C)luminosity
D)resolving power
11
The electron transport chain produces approximately ____ molecules of ATP.
A)2
B)16
C)32
D)64
12
Aerobic cellular respiration ______.
A)produces ATP
B)produces carbon dioxide
C)utilizes oxygen
D)All of the above.
13
In the evolution of eukaryotic cells, organelles such as mitochondria may have arisen from cells engulfing:
A)prokaryotic cells
B)nuclei
C)other simple eukaryotic cells
D)protobionts
14
In fermentation performed by yeasts;
A)lactate is formed
B)oxygen is required
C)alcohol and carbon dioxide are given off
D)All of the choices are correct.
15
Aerobic respiration involves the following processes:
A)glycolysis
B)the citric acid cycle
C)the electron transport system
D)All of the choices are correct.
16
The folds in the mitochondrion are referred to as ____.
A)matricies
B)cristae
C)desmosomes
D)Golgi bodies
17
If a red blood cell were placed in distilled water, it would ______.
A)remain the same
B)shrink
C)change color
D)burst
18
NAD serves as a/an _____.
A)carbon donor
B)hydrogen carrier
C)oxygen acceptor
D)hydrogen donor
19
In the fluid mosaic model of the plasma membrane:
A)Hydrophilic ends face outwards toward water.
B)Hydrophobic ends inwards, toward themselves.
C)Proteins are embedded into the plasma membrane.
D)All of the above are correct.
20
In order for facilitated diffusion to occur:
A)osmosis is needed
B)lipids are needed
C)lysosomes are needed
D)a concentration gradient and carrier are needed





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