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Tri 1 biology Final review Flashcards | StudBud
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Tri 1 biology Final review
Tri 1 biology Final review
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Practice quiz
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Questions
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Answers
1
Bacteria are __________ cells.
prokaryote
eukaryote
can't tell
2
what is the job of the ribosomes?
to make energy, ATP
to make DNA
to make proteins
to clean up the cell
3
which organelle makes energy in the animal cell?
golgi
chloroplast
nucleus
mitochondria
4
which nutrient cycle(s) passes through autotrophs & heterotrophs?
water only
all cycles: C, N, P & water
phosphorus & nitrogen
carbon only
5
a hypothesis...
is created after the experiment
is always proven wrong
is the graph of data
is a prediction of what will happen
6
what trophic level are mushrooms?
decomposer
herbivore
carnivore
producer
7
which 2 molecules are used for energy in a cell...
carbs & water
proteins & water
proteins & DNA
carbs & lipids
8
Bacteria are nitrogen fixers...this means?
they are killed by antibiotics
they add H & O to nitrogen so plants can use it
they decompose dead organisms
they are the only organisms to use nitrogen
9
what organelle does only the plant have?
nucleolus
cell membrane
cytoplasm
chloroplast
10
if a cell is placed in a hypotonic solution, it will...
can't tell
remain the same
swell or gain water
shrink or lose water
11
Which organelle is found in eukaryote cells & is considered the "control center"?
vacuole
chloroplast
mitochondria
nucleus
12
which kill bacteria cells...
vaccines
antibiotics
antibodies
none of these
13
What is the independent variable in a scientific experiment?
what the experiment is testing
the data collected
the part of the procedure that stays the same
the variable that doesn't change
14
the control center of the cell is the...
nucleus
golgi
nucleolus
vacuole
15
cell membranes are made of ___________ & __________
lipids & proteins
lipids & water
proteins & nucleic acids
nucleic acids & lipids
16
If a cell has 10% salt & the solution around it has 7% salt, the solution is ...
in equilibrium
hypertonic
isotonic
hypotonic
17
what organelle stores water in the plant cell?
vacuole
lysosome
golgi
nucleus
18
bacteria are
eukaryotes
non-living
prokaryotes & unicellular
eukaryotes & multicellular
19
T or F A mushroom is a heterotroph.
FALSE
can't tell
TRUE
mushrooms are yucky
20
glucose is
a carbohydrate
nucleic acid
a lipid
a protein
21
what type of transport allows molecules to move from [H] to [L]?
active transports
passive transports
endoplasmic reticulum
endocytosis
22
which cycle creates ATP?
nitrogen
carbon
water
phosphorus
23
Which 2 molecules have N in them?
carbs & lipids
carbs & water
lipids & water
proteins & nucleic acids
24
what is the dependent variable in an experiment?
what the person is testing
part of procedure that remains the same
the prediction
the data collected
25
what is a solute?
a form of energy, like ATP
the liquid that does the dissolving
a substance that can cross a membrane
a substance dissolved in water
26
what happens in fermentation?
it is the Krebs cycle in plant cells
no oxygen, so the respiration is anaerobic in the cytoplasm
no oxygen, so lots of ATP is formed
no oxygen, so the mitochondria creates glucose
27
what is NOT recycled in an ecosystem?
energy
water
nitrogen
carbon
28
why is water considered polar?
it has + & - ends from unequal sharing of electrons
it is found at the N & S poles on Earth.
it has 2 elements in it from both sides of periodic table
its utilized in photosynthesis & respiration
29
what is ATP?
usable cell energy
energy from the sun
stored energy
a lipid molecule
30
what is a concentration gradient?
molecules always moving [L] to [H]
more solutes in one area vs another [H] vs [L]
the semipermeable membrane
a chemical bond
31
animal cells only have which organelle?
nucleus
cell membrane
centrioles
chloroplasts
32
a virus is non living because...
it has a protein coat
it can adapt or mutate
it has nucleic acids
it can't reproduce without a host cell
33
which is the smallest living structure?
molecules
electron
cells
organism
34
carbohydrates build cell ________, while lipids build cell __________.
walls, membranes
walls, nucleus
vesicles, walls
membranes, membranes
35
a prokaryote cell...
is a plant cell.
has a nucleus.
doesn't have DNA.
has no nucleus.
36
the Na+ / K+ pump, is a ....
a passive transport example
an aquaporin
facilitated diffusion example
an active transport example
37
what is a control in the experiment?
something that stays the same in the experiment
a trial with the IV
what the data tells us
a trial without the IV; to compare to
38
what does an energy pyramid show?
trophic levels get 10% of energy from preivous level
top predators gain the most energy
producers are the smallest energy "bar"
39
Which organelle transports proteins, has ribosomes on it & is close to the nucleus?
rough ER
smooth ER
golgi apparatus
lysosome
40
Which is not a characteristic of living things?
DNA
movement
growth
cells
41
where is ATP created?
in the mitochondria
in the vacuole
in the nucleus
in the centrioles
42
what are the reactants in an equation...
what goes into a chemical reaction
if the equation is balanced
what the chemical reaction produces
what comes out of the chemical reaction
43
glucose diffuses through a _______, while carbon dioxide & oxygen diffuse through the ________
protein, lipid layer
ion pump, aquaporin
nucleus, cell membrane
endocytosis, exocytosis
44
what trophic level are plants?
primary producers
tertiary consumers
omnivores, secondary consumers
primary consumers
45
when bonds break...
energy is stored
energy is destroyed
a prokaryote is formed
energy is released
46
what energy is created in respiration?
ATP
ADP
sunlight
glucose
47
Who fixes Nitrogen for plants in the cycle?
plants
producers
bacteria
autotrophs
48
what is the carrying capacity of an ecosystem?
the maximum population an ecosystem can support
the lowest number of a species that can have offspring
a population in a petri dish
when a disaster, like a flood, destroys a habitat
49
Which of the following is true?
energy is transfer, nutrients are recycled
energy and nutrients can be recycled
ATP is created in the lysosomes
plants have only chloroplasts, not mitochondria
50
what is the balanced equation for photosynthesis?
6water + 6CO2 + sunlight make glucose + 6oxygen
H2O+ 6 carbon dioxide + sunlight make 6 glucose + 6 oxygen
6 water + 6 oxygen + sunlight creates glucose + 6 water
6 water + 6 carbon dioxide + sunlight make 6 glucose + 6 ATP
51
what will cause a cell to shrink?
a hypertonic solution
an isotonic solution
glycolysis
a hypotonic solution
52
which molecule has a head & 2 tails?
carbs
lipids
nucleic acids
proteins
53
Biology is the study of...
the atmosphere
non living matter
the earth
life & cells
54
what is an omnivore?
eats plants
a decomposer
eats meat
eats both plants & animals
55
what are the products of this equation? 2H
2
+ 0
2
-> 2H
2
O
4 hydrogens
can't tell
2H2 + 02
2H2O
56
which organelle has ribosomes on it?
smooth ER
golgi
rough ER
cell membrane
57
which organelle makes ribosomes?
ER
nucleolus
golgi
nucleus
58
which molecule contains genetic information in cells?
proteins
nucleic acids
carbohydrates
water
59
is this photosynthesis equation balanced? 6H
2
O + 6CO
2
+ sunlight -> 6C
6
H
12
O
6
+ O
2
that's the respiration equation
can't tell
yes
no
