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Unit 1 Test Review
A mitotic index which indicates rapid cell growth is
Which type of cell is shown here?
Unit 1 Test Review
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Answers
1
Which type of cell is shown here?
Prokayotic
Eukaryotic
2
A mitotic index which indicates rapid cell growth is
High
Low
Neither
Both
3
Vacuoles are typically larger in
Mitochondria
Plant cells
Animal cells
Prokaryotes
4
All cells must progress beyond the G0 phase
False
True
5
The sodium potassium pump works to
Keep Na out of the cell
Facilitate diffusion
Keep potassium out of the cell
Bring Na into the cell
6
When a cell is placed in a hypotonic solution, it will
Dissolve
Stay the same size
Increase in size
Decrease in size
7
Active transport
Moves down the concentration gradient
Involves the movement of water
Requires energy
Is better than passive transport
8
This function
of life is necessary to for internal conditions to remain stable and constant
Metabolism
Homeostasis
Growth
Nutrition
9
Bone marrow is an example of
Embryonic stem cells
Adult stem cells
10
Name the organelle below
Smooth ER
Mitochondria
Golgi Apparatus
Nucleus
11
Sister chromatids are bound together by
Centromeres
Chromatin
Cyclins
Chromosomes
12
Interphase is part of mitosis
False
True
13
What
p
value do we use to determine statistical significance in biology?
0.005
0.5
0.05
0.0005
14
The longest part of the cell cycle is
Mitosis
Cytokinesis
Interphase
Prophase
15
Name the prokaryotic structure below
Nuclear Pore
Ribosome
Pili
Plasmid
16
How many chromosomes are found in cells during G1?
23
72
92
46
17
Endosymbiotic theory is used to explain
Spontaneous generation
Cell division
The origin of prokaryotic cells
The origin or eukaryotic cells
18
What phase of the cell cycle is shown below?
Metaphase
Anaphase
Prophase
Telophase
19
The number on the scale bar represents the
Image size
Magnification
Actual Size
20
Mitosis is the division of the nucleus into
One identical daughter cell
Four identical daughter cells
Two identical daughter cells
Three identical daughter cells
21
The Davson-Danielli model was questioned due to the
Discovery of animal cells
Discovery of phospholipids
Discovery of integral proteins
Discovery of asymmetrical membranes
22
One major difference between prokaryotes and eukaryotes is
Presence of pili
Presence of a cell membrane
The presence of cytoplasm
Presence of membrane bound organelles
23
Chromosomes condense from chromatin into chromosomes by
Supercoiling
Supersoaking
Supercondensing
Supercycling
24
Water will move from
A hypotonic solution to hypertonic solution
A hypertonic solution to hypotonic solution
25
Mitochondria have the ability to reproduce independently of the cell
No idea
False
True
26
If a cell is too large, this is unable to accommodate the needs of the cell
Excretion
Diffusion
Division
Metabolism
27
Cytokinesis in plant and animal cells is identical
True
False
28
The "S" phase of interphase is identified primarily by
DNA replication
Protein synthesis
Mitochondria division
Cellular division
29
What organelle is shown below?
Golgi Apparatus
Rough ER
Smooth ER
Mitochondria
30
Which of the following supports the endosymbiotic theory?
Mitochondria have no ribosomes
Bacterial cells are smaller than mitochondria
Mitochondria produces ATP
Mitochondria divide by fission
31
When estimating magnification of a specimen, you will always divide
Image size by actual size
Image size by magnification
Actual size by image size
Magnification by image size
32
How many micrometers are in a millimeter?
1,000
10
100
10,000
33
Cells which can develop into any cell in the human body are referred to as
Pluripotent
Adult Stem Cells
Multipotent
Somatic
34
What phase of the cell cycle is shown below?
Metaphase
Prophase
Anaphase
Interphase
35
What happens to the surface area:volume ratio as a cell increases in size?
Increases
Stays the same
Decreases
36
If you measure the length of the scale bar on an image, that represents the
Image Size
Maginfication
Actual Size
37
Cells differentiate based on
What a scientist says
Which DNA they contain
How old they are
Which genes are turned on
38
What phase of the cell cycle is shown below?
Interphase
Telophase
Anaphase
Cytokinesis
39
This organelle is responsible for the production and metabolism of fats and steroid hormones
Smooth ER
Rough ER
Lysosomes
Vacuoles
40
Cholesterol is found in the cell membranes of
Animal cells
Plant cells
41
How many pairs of sister chromatids can be found in a cell after the S phase?
92
72
23
46
42
Why are giant algae an exception to 'normal' cells?
Large cell with one nucleus
Many nuclei
Small cell with one nucleus
Divided hyphae
43
Cyclins are
Histones
RNA
DNA
Proteins
44
Endocytosis and exocytosis can occur in part due to
Integral proteins
Membrane fluidity
Diffusion
Osmosis
45
Mitochondria and prokaryotes both contain
Pili
80s Ribosomes
70s ribosomes
Cell wall
