Which of the following is not passive transport?

Sodium ions crossing into a cell

All forms of cellular pumps are similar in that they are:

Moving solutes from low to high concentrations

____ genes are like a car accelerator and _____ genes are like the brakes in a normal cell.

Proto-oncogenes, tumor suppressor

Cancerous cells result from:

An accumulation of cell cycle control gene mutations

The lipids that create cell membranes have...

Hydrophillic heads and hydrophobic tails

What problem was encountered with Davson & Danielli's model after freeze-etching the cell?

Transmembrane proteins existed throughout the bilayer

Which of the following best describes what Pasteur would observe and why?

No growth after boiling, b/c microbes trapped in swan neck

Which of these is true about Facilitated Diffusion?

Used to move charged molecules down their gradient

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Topic 1 Revision

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Questions 93

Answers

1
The phase of cell division when the cytoplasm is divided is called ______.
G2
S phase
G1
cytokinesis
2
Which of the following is not passive transport?
Sodium ions crossing into a cell
Glucose entering a cell via protein channels
Water leaving a cell in a hypertonic solution
Carbon Dioxide exiting the cell through membrane pores
3
Which type of fatty acid will be less fluid at room temperature?
Phospholipid
Saturated
Cholesterol
Unsaturated
4
The small pili coming off the bacteria below are used to:
Move Rapidly through the Environment
Infect Eukaryotic Cells
Capture Nutrients
Cling to Surfaces
5
All forms of cellular pumps are similar in that they are:
Moving solutes from high to low concentrations
Moving solutes from low to high concentrations
Physically changing its shape
Not using energy
6
What is the process during which the nucleus of a cell is divided into two nuclei?
nucleosome
cytokinesis
the cell cycle
mitosis
7
____ genes are like a car accelerator and _____ genes are like the brakes in a normal cell.
Tumor suppressor, proto-oncogenes
Oncogenes, tumor suppressor
Tumor suppressor, oncogenes
Proto-oncogenes, tumor suppressor
8
Letter C is referring to:
Cell Wall
Cell Membrane
Capsule
Plasma Membrane
9
Letter i is referring to what molecule?
Phosphate
Cholesterol
Glycerol
Hydrocarbon
10
What type of solution is the following cell in?
Hypertonic
Hypotonic
Isotonic
11
What type of solution is the following cell in?
Hypotonic
Hypertonic
Isotonic
12
Controls the movement of materials in and out of the cell
Nucleoid
Cell wall
Capsule
Cell membrane
13
What phase of mitosis is this cell in?
Telophase
Anaphase
Prophase
Metaphase
14
Which of the following changes in concentration throughout the cell cycle?
Cyclin Dependent Kinases
Cyclins
Phosphates
Cell Cycle Target Proteins
15
Plasmolysis (a plant cell shriveling inside the cell wall) occurs in what solution?
Hypotonic
Eutonic
Isotonic
Hypertonic
16
Which came first?
the egg
prokaryotes
the chicken
eukaryotes
17
Cancerous cells result from:
An accumulation of cell cycle control gene mutations
The mutation of one of dozens of cell cycle control genes
18
Letter E is referring to:
Tail
Flagella
Pili
Cillia
19
Which of the following is NOT a characteristic of life that we learned in IB Biology:
Obtains Nutrients
Reproduces
Performs Homeostasis
Requires Water
20
Prokaryotes have no:
Nucleus
DNA
Cell Wall
Ribosomes
21
B is referring to what type of membrane protein?
Pump
Enzymatic
Recognition
Receptor
22
When the concentration of molecules on both sides of a membrane is the same, molecules...
Move across the membrane to inside the cell
Stop moving across the membrane
Move across in both directions
Move across the membrane to outside the cell
23
The lipids that create cell membranes have...
Hydrophillic heads and hydrophobic tails
Hydrophobic heads and hydrophobic tails
Hydrophobic head and hydrophillic tails
Hydrophillic heads and hydrophillic tails
24
What phase of mitosis is this cell in?
Prophase
Anaphase
Metaphase
Telophase
25
Which of the following is not part of the modern cell theory
All cells have a nucleus
All cells come from preexisting cells
All living things are made up of at least one cell
A cell is the basic unit capable of doing all life functions
26
The protein labeled H would be considered:
Peripheral
Transmembrane
All are Correct
Integral
27
Protein pumps are used in
Osmosis
Facilitated diffusion
Active transport
Passive transport
28
Which of the following has discrepant cells that are not truly separated by cell membranes?
Fungal hyphae
Bone calcium deposits
Rhinovirus
Red blood cell
29
What part of the phospholipid is indicated by the #1
Phosphate group
Saturated fatty acid
Unaturated fatty acid
Glycerol
30
Chloroplasts provide ___________ for plant cells.
Support
Water
Food
Energy
31
What problem was encountered with Davson & Danielli's model after freeze-etching the cell?
Transmembrane proteins existed throughout the bilayer
Membrane proteins came in all shapes and sizes
The interior of the bi-layer wasn't hydrophobic
The membrane wasn't static
32
What type of solution is the following cell in?
Isotonic
Hypertonic
Hypotonic
33
Similarities between Prokaryotes and Eukaryotes
All
Cell membrane
DNA is present
Carry out life functions
34
During prophase, each single strand of DNA becomes condensed in the form of a _____.
centriole
centrosome
chromatid
chromatin
35
This graph seems to show what type of correlation between egg consumption & cancer mortality?
Direct
No Correlation
Indirect
36
What process does the following image represent?
Active Transport
Facilitated Diffusion
Diffusion
Osmosis
37
A type of cell that is an example of a "discrepancy" of the cell theory would be:
Striated Muscle Fibers
Chlamydomonas
Liver cell
Paramecium
38
Which of the following best describes what Pasteur would observe and why?
Growth after cooling, because flask is open to air
Growth after boiling, because boiling doesn't kill all life
No growth after boiling, because the flask is closed to air
No growth after boiling, b/c microbes trapped in swan neck
39
Which of these is true about Facilitated Diffusion?
Uses protein pumps to move charged molecules
Used to move small molecules against their gradient
Used to move charged molecules down their gradient
Uses Energy
40
What type of cells are these?
Bacteria
Plant
Fungi
Animal
41
Which step in the origin of cells was supported by research completed by Miller and Urey?
Polymerization
Synthesis of organic monomers
Surrounding by a lipid membrane
Self replicating molecule
42
A type of transport that involves transmembrane proteins but does not use energy is...
Osmosis
Passive Transport
Active Transport
Facilitated Diffusion
43
Which of these is an example of a prokaryote?
Plant
Bacteria
Fungus
Animal
44
What type of solution is the following cell in?
Isotonic
Hypotonic
Hypertonic
45
What is formed at the equator of this cell?
Metaphase plate
Kinetochore plate
Cleavage furrow
Cell plate
46
What process does the following image represent?
Active Transport
Diffusion
Osmosis
Facilitated Diffusion
47
Phospholipids create bilayers because of their __________________ properties.
Polar
Hydrophobic
Amphibious
Amphipathic
48
The following micrograph is showing what type of cell:
Animal
Plant
Prokaryotic
Fungi
49
The arrow in this micrograph is pointing to:
Smooth Endoplasmic Reticulum
Rough Endoplasmic Reticulum
Golgi Apparatus
Nucleus
50
Phospholipid molecules are put in a beaker of water. What part of the lipid will face the air?
Neither; they would dissolve
The phosphate group
Both; molecules are amphipathic and lie sideways
The hydrocarbon tail
51
Which of the following are major causes of lung cancer?
Heredity
Viruses
All of these
Chemicals
52
What is the best term to describe the process of a cell secreting proteins?
Phagocytosis
Endocytosis
Pinocytosis
Exocytosis
53
The molecule used for energy in all cell processes, including active transport, is...
Phospholipids
Glucose
ATP
ADP
54
Which of the following processes might be happening in these cells?
DNA is replicating
Cytoplasm is dividing
Nucleus is reforming
Chromatids are separating
55
As a cell increase in size, the SA:V ratio will
Decrease
Not change
Increase
56
Which means of particle transport requires energy from the cell?
Diffusion
Facilitated Diffusion
Endocytosis
Osmosis
57
Transplant organs, contact lenses and re-hydrating fluids must be ________ to body tissues.
Hypertonic
Turgid
Hypotonic
Isotonic
58
What ties viruses, chemicals and radiation together in causing cancer?
All the above are correct
They are all infectious
They all affect genes
The cellular damage they cause is always inherited
59
An animal cell put in a solution plasmolyses and dies. The solution most likely had...
A very low concentration of salt
A very low temperature
A very high concentration of salt
A very high temperature
60
What phase of mitosis is this cell in?
Prophase
Metaphase
Anaphase
Telophase
61
The following structure is involved in active transport:
Protein Pump
Protein Channel
Glycocallyx
Hydrocarbon Tail
62
An increase in unsaturated fats in a cell membrane would have what effect on its fluidity?
Would increase fluidity
It depends on the amount of saturated fat present
Would do neither
Would decrease fluidity
63
The part of a phospholipid that is hydrophobic (non-polar) would be:
The Phosphate
The Hydrocarbon Tails
The Glycerol
The Whole Molecule
64
What advantage do eukaryotic cells have in being compartmentalized?
All the above
It makes the cell more efficient at doing metabolism
Organelles with their contents can be moved around the cell
Substances that are damaging to the cell are kept seperate
65
What phase of the cell cycle is this diagram showing?
Metaphase
Prophase
Telophase
Interphase
66
What stage of the cell cycle is this cell(s) in?
Anaphase
S phase
Metaphase
Cytokinesis
67
Which description matches what is happening in the cell?
Chromosomes are duplicating
Chromatin is condensing
Chromosomes are lining up
Chromatids are separating
68
What phase of mitosis is this cell in?
Prophase
Telophase
Anaphase
Metaphase
69
Alveoli in the lungs are the location of O2 and CO2 exchange by...
Diffusion
Facilitated diffusion
Osmosis
Active transport
70
What function does the protein labeled J most likely have?
Recognition
Receptor
Channel
Adhesion
71
Antibiotics don't work on viruses because:
Viruses are extremely small
Viruses don't cause disease
Viruses have no metabolism
They have no genetic material
72
The Golgi Apparatus is responsible for:
Modifying Proteins
Synthesizing Proteins
Digesting Proteins
Organizing Proteins
73
Plant cells are healthiest in a hypotonic solution. This means that water is always...
Entering the cell faster than it leaves
Entering and exiting the cell at the same rate
Entering the cell and not leaving the cell
Entering the cell slower than it leaves
74
Cholesterol is important in regulating what in animal cells?
Membrane Shape
All of these are Correct
Membrane Fluidity
Membrane Structure
75
The lighter region in the middle of this prokaryotic cell is referring to the:
Chromatin
Nucleolus
Nucleoid
Nucleus
76
A white blood cell engulfs some bacteria. This is an example of...
Facilitated diffusion
Endocytosis
Passive transport
Exocytosis
77
What process is shown in the diagram?
Connectization
Polymerization
Dehydration synthesis
Monomerization
78
A in this micrograph is pointing to:
A Vessicle
A Cholorplast
The Nucleus
A Mitochondria
79
The cell membrane can best be described as a...
phospholipid monolayer
isolipid bilayer
phospholipid layer
phospholipid bilayer
80
Which is NOT an adaptation for maximizing the cell surface are to volume ratio:
Long, thin membrane extensions
Thin, flat cells
Large, spherical cells
Microvilli
81
The function of the cell membrane is to:
Provide Support for the Cell
Regulate what goes into and out of the Cell
Provide Protection for the Cell
All the above
82
What part of the phospholipid is indicated by the #2
Phosphate group
Saturated fatty acid
Glycerol
Unaturated fatty acid
83
One implication of all cells coming from preexisting cells would be:
All living things are made up of at least more than 1 cell
All cells must have at least 1 nucleus
All cells must be microscopic
Plant and animal cells must have a common ancestor cell
84
This model of the cell membrane was used for nearly 30 years. Which pair came up with it?
Davson and Danielli
Gorter and Grendel
Hall and Oates
Singer and Nicolson
85
What type of solution is the following cell in?
Hypotonic
Isotonic
Hypertonic
86
Tumor Suppressor Genes are _________ because they _______________ cell cycle progression.
Bad / Speed Up
Bad / Slow Down
Good / Speed Up
Good / Slow Down
87
This micrograph is showing a cell with which of the following functions?
Phagocytosis: like a White Blood Cell of the Immune System
Photosynthesis: like a Palisade Mesophyll cell of a Leaf
Support: like a Sclerenchyma cell of a Stem
Secretion: like a Exocrine Gland cell of the Pancreas
88
The following micrograph is showing which eukaryotic organelle?
Mitochondria
Lysosome
Golgi Apparatus
Chloroplast
89
What process does the following image represent?
Active Transport
Diffusion
Osmosis
Facilitated Diffusion
90
What phase of the cell cycle is this cell in?
Elephase
Interphase
M phase
Cytokinesis
91
What type of solution is the following cell in?
Hypotonic
Hypertonic
Isotonic
92
Ions can freely pass through cell membranes due to their small size.
False
True
93
What is occurring in this cell?
Chromosomes are being pulled to opposite sides of the cell
Cell plate is forming
Chromosomes are lining up in the middle of the cell
Chromatids are being pulled to opposite sides of the cell

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