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Bio I Midterm Review Flashcards | StudBud
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Bio I Midterm Review
Bio I Midterm Review
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Answers
1
Which type of molecule forms a lipid bilayer within a cell membrane?
phospholipid
carbohydrate
protein
nucleic acid
2
What is required for active transport?
water
high concenrations
energy
3
Which phrase best describes rough ER?
stores water, waste, and recycled cell parts
protected by vesicles
connected to the Golgi Body
covered with ribosomes
4
Which type of transport requires energy?
Passive Trasport
Osmosis
Active Transport
5
The study of living things that are too small to see with the eye is
ecology
zoology
microbiology
biology
6
Where does the Calvin Cycle take place
stroma
mitochondrion
thylakoid
cytoplasm
7
A process that DOES NOT require oxygen to occur is called
cellular respiration
Kreb's Cycle
anaerobic
aerobic
8
Which organelle contains enzymes that break down old cell parts?
Lysosomes
Vacuole
Centrosomes
Mitochondrion
9
The total number of ATP that may be produced from one molecule of glucose
32
34
38
36
10
The function of the mesasome in the bacteria cell is
transport material
movement
store DNA
add surface area to cell membrane
11
Used to help substances exit or enter cell
equilibrium
transport protein
water
12
On Earth, biodiversity generally increases from the
equator to the rainforest
poles to the equator
north to south
east to west
13
Letter B is pointing to the
chloroplast
vacuole
ribosome
mitochondrion
14
____________ controls homeostasis for cells.
Cell membrane
nucleus
cytoplasm
15
Where does the Kreb’s cycle reaction take place
matrix of the mitochondrion
mitichondrion
inner membrane of the mitochondrion
cytoplasm
16
1. Which of the following is a characteristic of living things
breathing
sleeping
grow and develop
talking
17
1. Something that is excepted as fact, proven and explains something that happens is called
conclusion
law
theory
hypothesis
18
Cell membrane is made of
cells
phospholipid bilayer
cytoplasm
19
Which organelle is the store house for most of a cell's DNA
Chloroplast
Vacuole
Cell membrane
Nucleus
20
the term for the amount of energy that needs to be added for a chemical reaction to start
activation energy
reaction energy
chemical energy
bond energy
21
Passive transport moves molecules from
high to low concentration
back and forth
low to high concentration
22
Diffusion is an example of
active transport
passive transport
23
Which of the following is not a main compound found in living things
nucleic acids
carbohydrates
lipids
steel
24
Proteins are composed of which molecules
carbohydrates
lipids
proteins
amino acids
25
Carbon is unique due to the carbon atom’s
Ability to make four bonds
is in a lot of compounds
Ionic compounds
six outer unpaired electrons
26
An ion is formed when an atom gains or loses
neutron
atom
electron
proton
27
Which phrase best describes the effect of a catalyst on a chemical reaction
decreases the reaction rate
decreases the pH
increases the temperature
decreases the activation energy
28
Fats, oils, and cholesterol are all types of
carbohydrates
amino acids
lipids
proteins
29
An organism is
any living thing
An environment in the biosphere
an atom
A type of species
30
An organism made of one cell
haploid
unicellular
eukaryote
multicellular
31
Cells in a hypertonic solution will
swell
shrink
stay the same
32
Which property of water helps plants to transport water from their roots to their leaves?
high specific heat
polarity
adhesion
universal solvent
33
The cell theory states that all cells are produced by _____________ cells.
Spontaneously generated
other living
Dead
Bacteria
34
Letter D is pointing to the
Golgi body
mitochondrion
nucleolous
nucleus
35
The scientist responsible for identifying all animal are made of cells is
Hooke
Virchow
Scheleiden
Schwann
36
Particle with a positive electrical charge
atom
electron
neutron
proton
37
Botany is the study of
plants
environment
animals
bacteria
38
A solution with an equal concentration of solute in and out of the cell is called
hypertonic
isotonic
hypotonic
39
Pinocytosis is
the intake of liquids into a cell through osmosis
the intake of liquids through a vesicle
the release of liquids from a cell
40
protein pumps move molecules from
back and forth
low to high concentration
high to low concentration
41
How are chloroplasts similar to mitochondria
They both contain their own DNA
They are both found in prokaryote cells
They both are found in animal cells
They both use energy from sunlight
42
The independent variable in an experiment is
what you keep the same
not in the experiment
what you measure
what you are testing
43
The scientific study of living things
Geology
Biology
Chemistry
Ecology
44
A solution with a low concentration of solute outside the cell, high inside is called
hypotonic
hyperonic
isotonic
45
When two or more elements chemically combine, a ____________ is formed
mixture
compound
element
organism
46
Which type of transport is the taking in of solids?
Phagocytosis
Foodocytosis
Exocytosis
Pinocytosis
47
Which organelle is unique to plants?
Chloroplast
Ribosome
Centrosome
Cell membrane
48
The specific reactants that an enzyme acts on are called
substrates
proteins
amino acids
carbohydrates
49
Who was the first to identify cells?
Leeuwenhoek
Hooke
Schwann
Virchow
50
Which of the following is a major component to the cell theory?
All cells have DNA
All cells form by free-cell formation
All organisms are made of cells
All cells have a cell wall
51
The organelle that is present in both animal and plant cells, but is different in size is
ribosome
cytoplasm
mitochondrion
vacuole
52
Which phrase best describes an exothermic chemical reaction?
Forms products with high bond energy than reactants
Absorbs more energy than is released
Releases more energy than it absorbs
Is in a state of equilibrium
53
Passive transport includes
protein pump
endocytosis and exocytosis
facilitated diffusion
54
A solution with a high concentration of solute outside the cell, low inside is called
hypotonic
hyperonic
isotonic
55
Letter C is pointing to the
Rough ER
Golgi body
mitochondrion
vacuole
56
In covalent bonds atoms
loose electrons
gain electron
share electrons
attract a positive or negative charge
57
Cells in a hypotonic solution will
swell
shrink
stay the same
58
Osmosis is an example of
passive transport
active transport
59
Molecules will until _______________ is reached.
highest concentration
lowest concentration
Equilibrium
60
Organelle that makes protein
vacuole
nucleus
mitochondrion
ribosome
61
The function of the centriole is to
make spindle fibers to separate chromosomes
make energy for the cell
package and transport proteins
recycle used cell parts
62
Provides a tube like opening for particles to diffuse
energy
channel protein
osmosis
63
An acid could have which of the following pH levels
7
14
10
1
64
A pure substance made of the same kinds of atoms is called
organism
element
solution
compound
65
Endocytosis and exocytosis move
water
small molecules
large molecules
66
What happens to the speed of a chemical reaction when a catalyst is present
it slows down
it speeds up
it becomes erratic
it stays the same
67
Letter G is pointing to the
Rough ER
Smooth ER
mitochondrion
Golgi body
68
Diffusion of water is called
Osmosis
Endocytosis
Facilitated Diffusion
69
The scientist responsible for concluding that cells come from pre-existing cells
Schwann
Leeuwenheok
Hooke
Virchow
70
Sodium Potassium Pump is and example of
Passive transport
Active Transport
71
Which of the following is NOT a function of the cell membrane?
It supports and shapes the cell
it positions organelles
it controls what enters and exits the cell
it provides energy to the cell
72
Smallest unit of life is the
nucleus
tissuec
atom
cell
73
The organelle that stores water and waste is the
chloroplast
cell membrane
nucleus
vacuole
74
Which category of carbon-based molecules includes sugars and starches
carbohydrates
lipids
proteins
nucleic acids
75
The energy levels surrounding the nucleus of an atom contain
ions
electrons
neutrons
protons
76
Which characteristic BEST describes a prokaryote?
No nucleus, free floating DNA
Nucleus present, DNA in nucleus
Can have a nucleus or not, DNA in nucleus
More complex, with membrane bound organelles.
77
Switching the objective lens on a microscope changes the
focus
magnification
light
slide placement
78
Which organelle supplies energy to the cell?
Ribosomes
Lysosome
Mitochondrion
Centrosomes
79
1. Cells group together to form tissue, tissue grouped together forms ___________
tissue
organ system
organ
organism
80
Letter F is pointing to the
Golgi body
cell membrane
Rough ER
lysosome
81
Protein pump is an example of
active transport
passive transport
82
Cells in an isotonic solution will
shrink
swell
stay the same
83
What is the function of the pilus and fimbriae in the bacteria cell
attachment to host
communication
makes food
protect and support
84
Letter E is pointing to the
mitochondrion
nucleolous
nucleus
Golgi body
85
Which type of protein changes shape in order to allow material to cross the membrane?
Protein Pumps
Channel Proteins
Carrier Proteins
All proteins
86
Step by step instructions to complete an experiment
conclusion
procedure
results
materials
87
a hypothesis is
research done on the topic
step by step instructions for the experiment
an educated guess
the list of materials used
88
The dependent variable in an experiment
what is being tested
not in the experiment
what you are measuring
what you keep the same
89
Computer modeling would likely have to be applied to which of these biological research topics?
how a drug affects laboratory rats with cancer
how sugar levels in athlete’s muscles change during exercise
how different amounts of fertilizer change crop yields
how West Nile virus might spread among a population
90
Which phrase best describes an atom
single-celled organism
a molecule
smallest basic unit of matter
part of the nucleus
91
Exocytosis moves particles __________
out of the cell
both in and out of cell
Into the cell
92
The number of trials a good experiment should have is
2
1
any
3
93
A solution with a high concentration of H+ ions
is basic
kills all organisms
is acidic
has a pH of 7
94
Endocytosis is an example of
Passive transport
Active Trasport
Cell Waste
95
What is a receptor?
outer cover in a bacteria cell
protein that detects a signal molecule
organelle in a plant cell
food for animal cell
96
Letter A is pointing to the
centrosomes
cytoplasm
cell membrane
cell wall
97
What is a concentration gradient?
The slope of the difference in concentrations.
Where the concentrations are equal.
High to low only
98
Which of the following would be the solvent when making chocolate milk
milk
chocolate syrup
spoon
chocolate milk
99
Only individuals belonging to the same species are able to
use similar metabolic processes
inhabit a particular ecosystem
reproduce by inbreeding
respond to stimuli in the same way
100
The process where organisms keep internal conditions stable is
homeostasis
cellular respiration
diffusion
meiosis
101
Which of the following phrases best describes a solvent
Present in a greater concentration than solutes
Present in a lower concentration that solutes
Can be dissolved by the solute
Has a high concentration of solutes
102
A change in an environment that causes a response is a
rain
stimulus
diffusion
equilibrium
103
The role of cholesterol in the cell membrane is to
recycle cells
allow proteins to enter and exit cell
transport molecules
add structure
104
Where does glycolysis take place?
cytoplasm
matrix of the mitochondrion
inner membrane of the mitochondrion
thylakoid
105
Where does the light-independent reaction take place
stroma
thylakoid
inner membrane of the mitochondrion
cytoplasm
106
The "jello" that supports organelles in the cell is called
cell wall
lysosome
cytoplasm
cell membrane