The cell cycle is the

series of events cells go through as they grow and divide

When the concentration of molecules on both sides of a membrane is equal, molecules will

move across the membrane in both directions

Why is carbon so special compared to other elements?

It can bond to more C and form many different structures

Electron microscopes can reveal details

1000 times smaller than those visible in light microscopes

Why is water a polar molecule?

parts of the molecule have slightly different charges

How are cellular respiration (CR) and photosynthesis (PS) almost opposite processes?

PS removes carbon dioxide from air and CR puts it back

The three particles that make up atoms are

protons, neutrons and electrons

Why are stem cells important?

They have the potential to develop into other cell types

Which is a possible future benefit of stem cell research?

reversing damage from a heart attack

How does studying science help you be a better member of society?

Knowing how science works helps you make better decisions

Which are the levels of organization in a multicellular organism from simplest to most complex?

cell, tissue, organ, organ system

A scientific hypothesis

can be tested by experiments or observations

After cell division, each daughter cell

has a higher surface area/volume ratio than the parent cell

Diffusion occurs because

molecules constantly move and collide with each other

Which is a function of the cell membrane?

regulates what goes in and out of the cell

Which of the following is NOT a goal of science?

to establish a collection of unchanging truths

Which of these shows a good controlled experiment to test where bacteria grows better?

grow 5 plates in the dark and 5 plates in the light

Why is the metric measurement system easier to use than the English system?

metric system is based on multiples of 10

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Biology 204 Semester 1 Exam 2019-2020

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First Semester Final Exam Review Chapters 1, 2, 7, 8, 9, 10

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Questions 75

Answers

1
The cell cycle is the
time it takes for one cell to go through mitosis
series of events cells go through as they grow and divide
time between prophase and cytokinesis
period of time between birth and death of a cell
2
Which is NOT a principle of the cell theory?
cells are the basic units of life
all cells are produced by existing cells
very few cells reproduce
all living things are made of cells
3
Fats, oils and cholesterol are all types of
hormones
cell membranes
fatty acids
lipids
4
When the concentration of molecules on both sides of a membrane is equal, molecules will
move across the membrane to the outside of the cell
move across the membrane to the inside of the cell
move across the membrane in both directions
stop moving across the membrane
5
What is NOT a function of the nucleus?
contains information needed to make proteins
controls most of the cell's processes
stores DNA
makes proteins
6
Why is carbon so special compared to other elements?
It has 4 extra electrons and can form quadruple bonds
It can bond to more C and form many different structures
Only C atoms can be dissolved in solutions & suspensions
Only C atoms can form covalent bonds with O and H
7
Most plants appear green because chlorophyll
reflects green light
absorbs violet light
absorbs green light
reflects violet light
8
A controlled experiment allows a scientist to isolate and test
several variables
a conclusion
a mass of information
a single variable
9
Electron microscopes can reveal details
1000 times smaller than those visible in light microscopes
about the different colors of cell structures
of cell structures only once they are stained
only in specimens that are still alive
10
Information gathered from observing a plant grow is called
a variable
data
a hypothesis
an inference
11
The ability to reproduce results is an important part of any
experiment
hypothesis
theory
law
12
Getting rid of materials from the cell by removing it using sacs at the cell's surface is
cheiosmosis
endocytosis
exorcism
exocytosis
13
Which organelle would you expect to find in plant cells but not animal cells?
chloroplast
mitochondria
smooth endoplasmic reticulum
ribosome
14
Which are prokaryotes?
animals
bacteria
plants
protists
15
Which organelles help provide cells with energy?
Golgi apparatus and ribosomes
rough endoplasmic reticulum
mitochondria and chloroplasts
smooth endoplasmic reticulum
16
Why is water a polar molecule?
it contains two hydrogen atoms for each oxygen atom
it does not have a charge
parts of the molecule have slightly different charges
it has a charge
17
Which process results in cells becoming specialized?
apoptosis
interphase
cytokinesis
differentiation
18
If you stir salt into boiling water, you produce a
solution and suspension
mixture called a solution
mixture called a suspension
mixture only
19
How are cellular respiration (CR) and photosynthesis (PS) almost opposite processes?
PS removes oxygen from air and CR puts it back
PS releases energy, CR stores energy
PS removes carbon dioxide from air and CR puts it back
PS releases water and CR takes in water
20
Which phrase best describes an atom?
substance that includes covalent bonds
smallest basic unit of matter
contains electrons in its nucleus
substance made of different elements
21
The three particles that make up atoms are
protons, neutrons and electrons
neutrons, isotopes and electrons
protons, neutrons and isotopes
positives, negatives and neutrals
22
Air bubbles and the spongy texture of bread are due to which process?
cellular respiration
lactic acid fermentation
alcoholic fermentation
glycolysis
23
The rate at which wastes are produced in a cell depends on a cell's
ratio of surface area to volume
environment
volume
surface area
24
The two main stages of cell division are called
mitosis and interphase
synthesis and cytokinesis
M phase and S phase
mitosis and cytokinesis
25
Why are stem cells important?
They are incapable of becoming cancer cells
They have specialized DNA
They have the potential to undergo cell division
They have the potential to develop into other cell types
26
A personal preference or point of view is
a bias
an inference
a theory
a hypothesis
27
If carbon dioxide is completely removed from a plant's environment, what would happen?
no sugars will be produced
carbon dioxide does not affect the production of sugar
more sugars will be produced
the same amount of sugar will be produced w/o carbon dioxide
28
Molecules that are too large to be moved through the cell membrane can move into the cell by
endocytosis
diffusion
osmosis
lipid carriers
29
Which is a possible future benefit of stem cell research?
reversing damage from a heart attack
developing a vaccine for cancer
increasing a person's intelligence quotient
generating embryos from nonliving tissue
30
A substance composed of only one type of atom is called a(n)
cell
element
compound
molecule
31
Which type of carbon compound includes sugars and starches?
phospholipids
proteins
unsaturated fatty acids
carbohydrates
32
How does studying science help you be a better member of society?
Learning biases of science helps you know right and wrong
Knowing how science works helps you make better decisions
Knowing science will help you live w/o the aid of technology
Memorizing facts will help you become more intelligent
33
Cellular respiration is aerobic because it requires
glucose
exercise
oxygen
light
34
Which are the levels of organization in a multicellular organism from simplest to most complex?
organ system, organ, tissue, cell
tissue, organ, organ system
cell, tissue, organ system
cell, tissue, organ, organ system
35
Eukaryotes usually contain
specialized organelles
a nucleus
all of these are in eukaryotes
genetic material
36
During normal mitosis, a cell with 8 chromosomes will produce 2 cells, each with
4 chromosomes
8 chromosomes
16 chromosomes
2 chromosomes
37
You will not find a cell wall in which type of organism?
all cells have cell walls
fungi
plants
animals
38
A scientific hypothesis
can be based on personal beliefs or opinions
is a proven fact with much evidence to support it
can be tested by experiments or observations
does not have to be tested to be accepted as true
39
Which is NOT a source of energy during exercise?
cellular respiration
alcoholic fermentation
lactic acid fermentation
stored ATP
40
After cell division, each daughter cell
has a higher surface area/volume ratio than the parent cell
has more DNA in its nucleus than the parent cell
has a lower surface area/volume ratio than the parent cell
has less DNA in its nucleus than the parent cell
41
Diffusion occurs because
molecules constantly move and collide with each other
concentration of a solution is never the same throughout
molecules never move or collide with each other
concentration of a solution is always the same throughout
42
Which is a function of the cell membrane?
break down lipids, carbohydrates and proteins from food
keeps the cell wall in place
store water, salt, proteins and carbohydrates
regulates what goes in and out of the cell
43
If you looked at a cell with a microscope, how would you know if it was a prokaryote?
the cell lacks cytoplasm
the cell lacks a nucleus
the cell lacks genetic material
the cell lacks a cell membrane
44
What is a substance formed by the chemical joining of two or more elements in definite amounts?
compound
isotope
nucleus
enzyme
45
Which of the following is NOT a goal of science?
to investigate and understand the natural world
to use derived explanations to make useful predictions
to explain events in the natural world
to establish a collection of unchanging truths
46
A theory
may be changed or replaced
is the opening statement of an experiment
is always true
is a problem to be solved
47
What is released during cellular respiration?
lactic acid
energy
air
oxygen
48
Which of these shows a good controlled experiment to test where bacteria grows better?
grow 5 plates in the dark and 5 plates in the light
grow 10 plates in the light
grow 10 plates in the dark
grow 10 plates in the light with extra water
49
Plants take in energy by absorbing
sunlight
high energy sugars
chlorophyll a
chlorophyll b
50
Which term refers to cells having different jobs in an organism?
cell specialization
multicellular
levels of organization
unicellular
51
Why is the metric measurement system easier to use than the English system?
metric system is used by everyone in the world
metric units are smaller than English units
metric units are easier to measure than English units
metric system is based on multiples of 10
52
Proteins are made of which molecules?
amino acids
monosaccharides
nucleic acids
fatty acids
53
How do scientific theories compare to hypotheses?
hypotheses are the dominant view among scientists
theories unify a broad range of observations and hypotheses
theories are the same as hypotheses
hypotheses combine ideas of many theories to explain events
54
What makes up a molecule of water?
two atoms of hydrogen and one atom of oxygen
one atom of hydrogen and two atoms of oxygen
one atom of hydrogen and one atom of oxygen
one atom of sodium and one atom of chlorine
55
Organisms, such as plants, that make their own food are called
pigments
heterotrophs
autotrophs
thylakoids
56
What advance in technology made the discovery of cells possible?
particle accelerator
microscope
centrifuge
ultraviolet light
57
The process how organisms keep everything inside their bodies within certain limits is called
respiration
evolution
homeostasis
photosynthesis
58
One difference between cell division in plant cells and in animal cells is plant cells have
centromeres
a cell plate
centrioles
chromatin
59
What is the term for the substances that are changed in a chemical reaction?
catalysts
products
reactants
enzymes
60
The two main types of fermentation are called
lactic acid and anaerobic
aerobic and anaerobic
alcoholic and lactic acid
alcoholic and aerobic
61
What is NOT produced by the light dependent reactions
ATP
sugar
oxygen
NADPH
62
The cell theory applies to
bacteria
plants and animals
all living things
multicellular organisms
63
Biology is the study of
animals and plants only
land, water and air on Earth
the living world
the environment
64
The diffusion of water across a selectively permeable membrane is called
facilitated diffusion
active transport
osmotic pressure
osmosis
65
Hypotheses may arise from
logical inferences
knowledge, imagination and inferences
informed creative imagination
prior knowledge
66
Unlike photosynthesis, cellular respiration occurs in
animal cells only
all but plant cells
plant cells only
all eukaryotic cells
67
Photosynthesis uses sunlight to convert water and carbon dioxide into
high-energy sugars and starches
oxygen
ATP and oxygen
oxygen and high-energy sugars and starches
68
Which means of particle transport requires input of energy from the cell?
active transport
diffusion
facilitated diffusion
osmosis
69
Compared to small cells, large cells have more trouble
producing daughter cells
producing cyclin proteins
dividing
moving materials in and out of the cell
70
What does NOT affect the rate of photosynthesis?
wind
water
light intensity
temperature
71
An advantage of sexual reproduction over asexual reproduction is that sexual reproduction
takes less time
produces identical offspring
provides genetic diversity
requires more time
72
Organisms that cannot make their own food and must get energy from the food they eat are called
heterotrophs
autotrophs
thylakoids
pigments
73
What is produced by the Calvin cycle?
oxygen gas
ATP
high-energy sugars
carbon dioxide gas
74
Diffusion is movement of molecules from
low concentration to high concentration
equilibrium to high concentration
equilibrium to low concentration
high concentration to low concentration
75
Cancer is a disorder in which some cells have lost the ability to control their
growth rate
size
spindle fibers
surface area

Biology 204 Semester 1 Exam 2019-2020 Flashcards | StudBud