stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Biology 204 Semester 1 Exam 2018-2019 Flashcards | StudBud
Explore
/
Biology 204 Semester 1 Exam 2018-2019
Biology 204 Semester 1 Exam 2018-2019
75 terms
·
StudBud Administration
·
405 plays
First Semester Final Exam Review Chapters 1, 2, 7, 8, 9, 10
Flashcards
75 cards
F
Practice quiz
P
Host live
L
Questions
75
Answers
1
Which organelles help provide cells with energy?
smooth endoplasmic reticulum
mitochondria and chloroplasts
Golgi apparatus and ribosomes
rough endoplasmic reticulum
2
Eukaryotes usually contain
specialized organelles
all of these are in eukaryotes
a nucleus
genetic material
3
Organisms that cannot make their own food and must get energy from the food they eat are called
heterotrophs
pigments
autotrophs
thylakoids
4
What is NOT a function of the nucleus?
controls most of the cell's processes
stores DNA
contains information needed to make proteins
makes proteins
5
Which means of particle transport requires input of energy from the cell?
osmosis
facilitated diffusion
active transport
diffusion
6
Which are prokaryotes?
bacteria
protists
plants
animals
7
Which is a function of the cell membrane?
regulates what goes in and out of the cell
keeps the cell wall in place
break down lipids, carbohydrates and proteins from food
store water, salt, proteins and carbohydrates
8
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
9
An advantage of sexual reproduction over asexual reproduction is that
sexual
reproduction
provides genetic diversity
takes less time
requires more time
produces identical offspring
10
The cell theory applies to
bacteria
plants and animals
multicellular organisms
all living things
11
Which type of carbon compound includes sugars and starches?
phospholipids
carbohydrates
proteins
unsaturated fatty acids
12
Diffusion occurs because
concentration of a solution is never the same throughout
molecules constantly move and collide with each other
molecules never move or collide with each other
concentration of a solution is always the same throughout
13
Plants take in energy by absorbing
chlorophyll b
high energy sugars
sunlight
chlorophyll a
14
If carbon dioxide is completely removed from a plant's environment, what would happen?
the same amount of sugar will be produced w/o carbon dioxide
more sugars will be produced
carbon dioxide does not affect the production of sugar
no sugars will be produced
15
Diffusion is movement of molecules from
high concentration to low concentration
equilibrium to high concentration
equilibrium to low concentration
low concentration to high concentration
16
Why are stem cells important?
They have specialized DNA
They are incapable of becoming cancer cells
They have the potential to undergo cell division
They have the potential to develop into other cell types
17
What makes up a molecule of water?
one atom of hydrogen and one atom of oxygen
one atom of sodium and one atom of chlorine
one atom of hydrogen and two atoms of oxygen
two atoms of hydrogen and one atom of oxygen
18
Cancer is a disorder in which some cells have lost the ability to control their
growth rate
spindle fibers
size
surface area
19
Which process results in cells becoming specialized?
differentiation
interphase
cytokinesis
apoptosis
20
What is the term for the substances that are changed in a chemical reaction?
products
reactants
catalysts
enzymes
21
The three particles that make up atoms are
neutrons, isotopes and electrons
positives, negatives and neutrals
protons, neutrons and electrons
protons, neutrons and isotopes
22
Getting rid of materials from the cell by removing it using sacs at the cell's surface is
exorcism
exocytosis
endocytosis
cheiosmosis
23
Which is NOT a principle of the cell theory?
cells are the basic units of life
all living things are made of cells
very few cells reproduce
all cells are produced by existing cells
24
A scientific hypothesis
does not have to be tested to be accepted as true
can be based on personal beliefs or opinions
can be tested by experiments or observations
is a proven fact with much evidence to support it
25
Photosynthesis uses sunlight to convert water and carbon dioxide into
high-energy sugars and starches
oxygen and high-energy sugars and starches
ATP and oxygen
oxygen
26
Which organelle would you expect to find in plant cells but not animal cells?
chloroplast
mitochondria
ribosome
smooth endoplasmic reticulum
27
Why is the metric measurement system easier to use than the English system?
metric units are smaller than English units
metric system is based on multiples of 10
metric units are easier to measure than English units
metric system is used by everyone in the world
28
If you looked at a cell with a microscope, how would you know if it was a prokaryote?
the cell lacks genetic material
the cell lacks cytoplasm
the cell lacks a nucleus
the cell lacks a cell membrane
29
The cell cycle is the
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
time it takes for one cell to go through mitosis
30
Biology is the study of
the living world
land, water and air on Earth
the environment
animals and plants only
31
The rate at which wastes are produced in a cell depends on a cell's
environment
volume
surface area
ratio of surface area to volume
32
Which of the following is NOT a goal of science?
to use derived explanations to make useful predictions
to explain events in the natural world
to establish a collection of unchanging truths
to investigate and understand the natural world
33
What is NOT produced by the light dependent reactions
ATP
oxygen
NADPH
sugar
34
Proteins are made of which molecules?
fatty acids
amino acids
monosaccharides
nucleic acids
35
The two main stages of cell division are called
mitosis and interphase
synthesis and cytokinesis
M phase and S phase
mitosis and cytokinesis
36
A personal preference or point of view is
a hypothesis
a theory
a bias
an inference
37
What is a substance formed by the chemical joining of two or more elements in definite amounts?
compound
enzyme
isotope
nucleus
38
One difference between cell division in plant cells and in animal cells is plant cells have
chromatin
a cell plate
centromeres
centrioles
39
Which of these shows a good
controlled
experiment to test where bacteria grows better?
grow 10 plates in the dark
grow 10 plates in the light with extra water
grow 10 plates in the light
grow 5 plates in the dark and 5 plates in the light
40
The diffusion of water across a selectively permeable membrane is called
facilitated diffusion
active transport
osmotic pressure
osmosis
41
The two main types of fermentation are called
alcoholic and aerobic
aerobic and anaerobic
alcoholic and lactic acid
lactic acid and anaerobic
42
You will
not
find a cell wall in which type of organism?
all cells have cell walls
plants
fungi
animals
43
If you stir salt into boiling water, you produce a
mixture only
mixture called a solution
mixture called a suspension
solution and suspension
44
How are cellular respiration (CR) and photosynthesis (PS) almost opposite processes?
PS removes carbon dioxide from air and CR puts it back
PS releases water and CR takes in water
PS releases energy, CR stores energy
PS removes oxygen from air and CR puts it back
45
Unlike photosynthesis, cellular respiration occurs in
all eukaryotic cells
plant cells only
all but plant cells
animal cells only
46
Why is water a polar molecule?
it has a charge
it contains two hydrogen atoms for each oxygen atom
it does not have a charge
parts of the molecule have slightly different charges
47
A theory
is the opening statement of an experiment
is a problem to be solved
is always true
may be changed or replaced
48
Which is a possible future benefit of stem cell research?
increasing a person's intelligence quotient
generating embryos from nonliving tissue
reversing damage from a heart attack
developing a vaccine for cancer
49
What is released during cellular respiration?
air
lactic acid
oxygen
energy
50
Hypotheses may arise from
prior knowledge
knowledge, imagination and inferences
informed creative imagination
logical inferences
51
How do scientific theories compare to hypotheses?
hypotheses combine ideas of many theories to explain events
theories unify a broad range of observations and hypotheses
hypotheses are the dominant view among scientists
theories are the same as hypotheses
52
Molecules that are too large to be moved through the cell membrane can move into the cell by
diffusion
osmosis
endocytosis
lipid carriers
53
Information gathered from observing a plant grow is called
data
a hypothesis
a variable
an inference
54
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
55
A controlled experiment allows a scientist to isolate and test
a mass of information
several variables
a conclusion
a single variable
56
Electron microscopes can reveal details
of cell structures only once they are stained
1000 times smaller than those visible in light microscopes
about the different colors of cell structures
only in specimens that are still alive
57
Which is NOT a source of energy during exercise?
cellular respiration
stored ATP
lactic acid fermentation
alcoholic fermentation
58
During normal mitosis, a cell with 8 chromosomes will produce 2 cells, each with
4 chromosomes
2 chromosomes
8 chromosomes
16 chromosomes
59
Air bubbles and the spongy texture of bread are due to which process?
glycolysis
alcoholic fermentation
lactic acid fermentation
cellular respiration
60
Organisms, such as plants, that make their own food are called
heterotrophs
thylakoids
autotrophs
pigments
61
How does studying science help you be a better member of society?
Knowing how science works helps you make better decisions
Learning biases of science helps you know right and wrong
Knowing science will help you live w/o the aid of technology
Memorizing facts will help you become more intelligent
62
Which term refers to cells having different jobs in an organism?
cell specialization
unicellular
levels of organization
multicellular
63
When the concentration of molecules on both sides of a membrane is equal, molecules will
move across the membrane to the inside of the cell
move across the membrane in both directions
stop moving across the membrane
move across the membrane to the outside of the cell
64
The ability to reproduce results is an important part of any
hypothesis
law
theory
experiment
65
What advance in technology made the discovery of cells possible?
particle accelerator
microscope
ultraviolet light
centrifuge
66
Fats, oils and cholesterol are all types of
cell membranes
hormones
fatty acids
lipids
67
Compared to small cells, large cells have more trouble
producing daughter cells
moving materials in and out of the cell
producing cyclin proteins
dividing
68
A substance composed of only one type of atom is called a(n)
molecule
element
cell
compound
69
What does NOT affect the rate of photosynthesis?
temperature
wind
water
light intensity
70
Which are the levels of organization in a multicellular organism from simplest to most complex?
tissue, organ, organ system
cell, tissue, organ system
organ system, organ, tissue, cell
cell, tissue, organ, organ system
71
Why is carbon so special compared to other elements?
It can bond to more C and form many different structures
Only C atoms can form covalent bonds with O and H
Only C atoms can be dissolved in solutions & suspensions
It has 4 extra electrons and can form quadruple bonds
72
What is produced by the Calvin cycle?
oxygen gas
carbon dioxide gas
high-energy sugars
ATP
73
Most plants appear green because chlorophyll
absorbs violet light
reflects violet light
absorbs green light
reflects green light
74
The process how organisms keep everything inside their bodies within certain limits is called
photosynthesis
evolution
respiration
homeostasis
75
Cellular respiration is aerobic because it requires
light
glucose
oxygen
exercise
