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Biology Midterm
Biology Midterm
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Biology Midterm
Flashcards
65 cards
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Practice quiz
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Host live
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Questions
65
Answers
1
All bacteria can be classified s which type of organism?
Animals
Eukaryotes
Plants
Prokaryotes
2
Which types of cells have the most structures in common?
Animal cells and prokaryote
Prokaryotic and eukaryotic cells
Plant cells and prokaryote
Plant and animal cells
3
The one factor that can be changed in a controlled experiment.
Constant
Control group
Dependent variable
Independent variable
4
These organelles provide energy for the cell and are called the cell’s “powerhouse”.
Nucleus
Mitochondria
Golgi apparatus
Endoplasmic reticulum
5
Most of the time, the environment plant cells live in a(n):
hypertonic solution
hypotonic solution
none of the given choices
istonic solution
6
Cells arise only from?
Nuclei
Magic
Existing cells
Cell membranes
7
This form of movement across a membrane requires energy.
Osmosis
Passive diffusion
Active transport
Active diffusion
8
Which of the following organelle(s) has its own DNA?
Mitochondria and chloroplasts
Lysosomes
Chloroplasts
Mitochondria
9
All organisms are composed of:
cells
cellulose
peanut butter & jelly
diatoms
10
The movement of molecules in response to a concentration gradient is called:
diffusion
endocytosis
exocytosis
active transport
11
Exocytosis is when:
the cell explodes
the cell moves large things in
the cell moves large things out
the cell creates a balance
12
Which of the following is a bacterial infection?
HIV
Mumps
Influenza
Strep throat
13
Hair, muscle, and fingernails are made primarily of:
nucleic acids
carbohydrates
proteins
lipids
14
Endocytosis is when:
the cell creates a balance
the cell moves large things in
the cell explodes
the cell moves large things out
15
Diffusion and osmosis are examples of:
pinocytosis
active transport
exocytosis
passive transport
16
This type of reaction breaks down a polymer into a monomer by adding a H
2
O to “cut” the bond:
condensation
nuclear
acid-base
hydrolysis
17
Most biological processes occur at which pH level?
7.0 to 8.5
1.0 to 2.0
6.5 to 7.5
4.5 to 5.0
18
Glucose and fructose are examples of:
nucleic acids
monosaccharides
fatty acids
amino acids
19
Which of the following does a biologist NOT study?
Ecology
Wildlife
Bacteria and disease
Rocks
20
These store water, waste materials, or food particles in plant cells.
Lysosomes
Plastids
Vacuoles
Chloroplasts
21
What
is required for all life process. Many organisms must take in food.
Estuary
Cytoplasm
Diffusion
Energy
22
Organic compounds all contain:
carbon
oxygen
oxygen
sulfur
23
All proteins consist of:
polysaccharides
lipids
fatty acids
amino acids
24
If a cell was in a hypotonic solution the water would move?
Out of the cell
It will move in and out the same
Into the cell
none of the choices
25
The difference in concentrations of a substance between two areas is called a:
facilitated diffusion
homeostasis
semi-permeable membrane
concentration gradient
26
What is the
general
term used for the structures that perform specialized functions in cells?
Cell membrane
Ribosomes
Organelles
Nucleolus
27
Diffusion and osmosis are examples of:
pinocytosis
exocytosis
active transport
passive transport
28
If a cell were in an isotonic solution the water would move?
None of the given choices
Out of the cell
It will move in and out the same
Into the cell
29
Prokaryotic cells have a:
Nucleus but no cell membrane
No nucleus and no organelles
Nucleus and a membrane
Nucleus and organelles
30
Scientific hypotheses are most often tested by the process of:
inferring
experimenting
analyzing data
communicating
31
What is a factor that remain the same for all groups?
Control
Constant
Dependent variable
Independent variable
32
Which type of reaction absorbs energy, many times the reaction feels cold?
Dissociation
Endothermic
Exothermic
Activation
33
Which of the following is found in a virus?
Chloplasts
Cell membrane
Ribosomes
DNA or RNA
34
What organelle controls most activities that occur in the cell
Cell membrane
Cell wall
Nucleus
Flagellum
35
Which is a substance that produces OH- ions (hydroxide ions) when dissolved in water?
An acid
A salt
A base
A buffer
36
These organelles package proteins into sacs called vesicles and then sends then elsewhere.
Mitochondria
Chloplasts
Golgi apparatus
Nucleus
37
These are found in plant cells. They contain the green pigment chlorophyll.
Lysosomes
Chloroplasts
Vacuoles
Mitochondria
38
If a cell was in a hypertonic solution, which way would the water move?
Out of the cell
It would move in and out equally
Into the cell
None of the choices
39
Which are the six most common elements in living things?
H, S, K, B, C, P
V, S, K, B, Y, P
C, H, N, O, P, S
F, Y, K, B, C, P
40
This aids in protection and support of plants
Organelles
Cell membrane
Cell wall
Vacuoles
41
The smallest particle that can be identified as an element is a(n):
proton
electron
atom
neutron
42
Which type of reaction releases energy, many times the reaction is in the form of heat?
Activation
Endothermic
Exothermic
Dissociation
43
A hypothesis is a:
concluding statement
testable possible explanation of an observation
proven statement
definite answer to a given problem
44
Which of the following organelle(s) has its own DNA?
Lysosomes
Mitochondria and chloroplasts
Chloroplasts
Mitochondria
45
This organelle makes (synthesizes) and partially assembles ribosomes:
Nucleolus
Cytoplasm
Lysosomes
Cytoskeleton
46
What is the term for a chemical that neutralizes small amounts of either an acid or a base?
Catalyst
Buffer
Reactant
Alkaline
47
The semi-fluid, watery environment inside the cell is called the
:
cell membrane
cytoskeleton
cytoplasm
cell wall
48
What does “selectively permeable” mean?
The cell membrane controls what moves in & out of the cell.
Anything can move in & out of the cell at any time.
49
Which of the following is true about viruses?
They kill their host cells
They can reproduce on their own
They are living organisms
They are the same size as bacteria
50
A compound that stores hereditary information is:
enzyme
DNA
protein
ATP
51
Biology is the study of:
Energy
Minerals
Living things
Weather
52
Which is the chemical formula for glucose, fructose and galactose?
C4H2O4
C4H6O4
C6H4O6
C6H12O6
53
These store water, waste materials or food particles cells. They are larger in plants cells.
Vacuoles
Chloroplasts
Cell wall
Mitochondria
54
A living thing is called a(n):
creature
organism
cell(s)
animal
55
Proteins that speed up chemical reactions are called:
enzymes
polypeptides
substrates
condensers
56
What cell part can be found in every bacterial cell?
Mitochondria
Ribosome
Capsule
Chloroplast
57
These are the sites of protein synthesis. They can be found attached to the ER.
Vacuoles
Ribosomes
Lysosomes
Golgi apparatus
58
An organism consisting of ore than one cell is considered to be a(n) organism?
Cilia
Multicellular
Mitochondria
Unicelluar
59
What is another term for the protein coat around a virus's genetic material?
Capsule
Capsize
Capsid
Bacteriophage
60
What is the type of viral reproductive cycle that results in immediate invasion of the cell?
Lytic
Temperature
Prophage
Lysogenic
61
The nucleus also contains what organelle?
Cell wall
Chloroplasts
Ribosome
Nucleolus
62
The diffusion of water molecules through a cell membrane is called:
phagocytosis
exocytosis
active transport
osmosis
63
Which of the following regulates what enters and leaves a cell and is selectively permeable?
Cell wall
Vacuoles
Nucleolus
Cell membrane
64
Glucose and fructose have the same formula, C
6
H
12
O
6
, but different structures. They are:
isotopes
isosceles
isomers
isobars
65
Which type of virus replication cycle in remains dormant inside the cell?
Lysogenic cycle
Lytic cycle
Halophillic cycle
Prion cycle
