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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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final test review
Flashcards
66 cards
F
Practice quiz
P
Host live
L
Questions
66
Answers
1
what energy is created in respiration?
sunlight
ATP
ADP
glucose
2
Which organelle transports proteins, has ribosomes on it & is close to the nucleus?
smooth ER
golgi apparatus
lysosome
rough ER
3
which is the smallest living structure?
cells
electron
organism
molecules
4
Who fixes Nitrogen for plants in the cycle?
bacteria
autotrophs
producers
plants
5
a hypothesis...
is the graph of data
is always proven wrong
is created after the experiment
is a prediction of what will happen
6
what happens in fermentation?
no oxygen, so the mitochondria creates glucose
no oxygen, so the respiration is anaerobic in the cytoplasm
it is the Krebs cycle in plant cells
no oxygen, so lots of ATP is formed
7
a virus is non living because...
it can adapt or mutate
it has a protein coat
it has nucleic acids
it can't reproduce without a host cell
8
which organelle makes energy in the animal cell?
golgi
chloroplast
nucleus
mitochondria
9
what is an omnivore?
eats meat
eats plants
eats both plants & animals
a decomposer
10
a substance with more H+ and a value of <6 on the pH scale is called...
a base
neutral
an acid
water
11
what are the products of this equation? 2H
2
+ 0
2
→ 2H
2
O
2H2O
4 hydrogens
2H2 + 02
can't tell
12
cell membranes are made of ___________ & __________
proteins & nucleic acids
lipids & water
lipids & proteins
nucleic acids & lipids
13
what type of molecule is this ?
lipids
nucleic acids
protein
carbohydrates
14
Which plant structure transports water through roots, stems & leaves?
phloem
chloroplasts
xylem
guard cells
15
what is the dependent variable in an experiment?
the data collected
part of procedure that remains the same
the prediction
what the person is testing
16
Which is not a characteristic of living things?
growth
cells
DNA
movement
17
what type of transport allows molecules to move from [H] to [L]?
endoplasmic reticulum
endocytosis
passive transports
active transports
18
Which 2 molecules have N in them?
carbs & water
proteins & nucleic acids
carbs & lipids
lipids & water
19
If a cell has 10% salt & the solution around it has 7% salt, the solution is ...
hypertonic
hypotonic
isotonic
in equilibrium
20
where is ATP created?
in the mitochondria ETC or chloroplast ETC
in the centrioles
in the nucleus
in the vacuole
21
the control center of the cell is the...
vacuole
nucleus
golgi
nucleolus
22
which organelle makes ribosomes?
golgi
ER
nucleus
nucleolus
23
What does the 2 represent in the nitrogen cycle?
Ammonium
Plants
Decomposers
Animals
24
T or F A mushroom is a heterotroph.
TRUE
mushrooms are yucky
can't tell
FALSE
25
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
26
what is ATP?
usable cell energy
a lipid molecule
stored energy
energy from the sun
27
what type of bond shares electrons?
covalent
ionic
hydrogen
covalent & hydrogen
28
why is water considered polar?
it has 2 elements in it from both sides of periodic table
its utilized in photosynthesis & respiration
it is found at the N & S poles on Earth.
it has + & - ends from unequal sharing of electrons
29
carbohydrates build cell ________, while lipids build cell __________.
membranes, membranes
walls, nucleus
walls, membranes
vesicles, walls
30
Biology is the study of...
the atmosphere
life & cells
non living matter
the earth
31
glucose diffuses through a _______, while carbon dioxide & oxygen diffuse through the ________
nucleus, cell membrane
protein, lipid layer
endocytosis, exocytosis
ion pump, aquaporin
32
If a solution has a value of 12 on the pH scale & turns blue in lab... it is
a basic solution
a neutral solution
water!
anacid solution
33
what trophic level are plants?
tertiary consumers
primary consumers
primary producers
omnivores, secondary consumers
34
is this photosynthesis equation balanced? 6H
2
O + 6CO
2
+ sunlight → 6C
6
H
12
O
6
+ O
2
yes
no
can't tell
dah- that's the respiration equation
35
what is the balanced equation for photosynthesis?
H2O+ 6 carbon dioxide + sunlight → 6 glucose + 6 oxygen
6 water + 6 oxygen + sunlight → glucose + 6 water
6 water + 6 carbon dioxide + sunlight → 6 glucose + 6 ATP
6water + 6CO2 + sunlight → glucose + 6oxygen
36
which kill bacteria cells...
antibiotics
none of these
antibodies
vaccines
37
which molecule contains genetic information in cells?
carbohydrates
nucleic acids
proteins
water
38
which organelle has ribosomes on it?
smooth ER
cell membrane
rough ER
golgi
39
if a cell is placed in a hypertonic solution, it will...
swell or gain water
can't tell
remain the same
shrink or lose water
40
what are the reactants in an equation...
what the chemical reaction produces
if the equation is balanced
what goes into a chemical reaction
what comes out of the chemical reaction
41
what organelle does only the plant have?
cell membrane
cytoplasm
chloroplast
nucleolus
42
which trophic level are heterotrophs ?
level 1 as producers
only the omnivore level
the top level only as predators
levels 2 & up as consumers
43
What does the 3 represent in the nitrogen cycle?
Ammonium
nitrate
Nitrobactor
Nitrosomas
44
All of these are steps in the nitrogen cycle EXCEPT...
Infiltration
Absorption by plants
Decomposition of dead organic matter
Nitrogen fixation
45
what trophic level are mushrooms?
decomposer
carnivore
herbivore
producer
46
enzymes are catalysts that...
slow down chemical reactions
speed up chemical reactions
work with many substances and have many jobs
stop chemical reactions
47
which organelle creates lots of ATP?
mitochondria
lysosome
cytoskeleton
nucleus
48
Bacteria are __________ cells.
eukaryote
prokaryote
can't tell
49
the Na+ / K+ pump, is a ....
an active transport example
facilitated diffusion example
a passive transport example
an aquaporin
50
what is a concentration gradient?
a chemical bond
more solutes in one area vs another [H] vs [L]
molecules always moving [L] to [H]
the semipermeable membrane
51
what will cause a cell to shrink?
a hypotonic solution
an isotonic solution
a hypertonic solution
glycolysis
52
bacteria are
prokaryotes & unicellular
eukaryotes
non-living
eukaryotes & multicellular
53
glucose is
a protein
a carbohydrate
a lipid
nucleic acid
54
Enzymes...
all of these are true
are specific for their function
speed up chemical reactions
can be reusable
55
which molecule has a head & 2 tails?
carbs
lipids
proteins
nucleic acids
56
what is the job of the ribosomes?
to clean up the cell
to make proteins
to make energy, ATP
to make DNA
57
a prokaryote cell...
has a nucleus.
doesn't have DNA.
has no nucleus.
is a plant cell.
58
which 2 molecules are used for energy in a cell...
proteins & water
proteins & DNA
carbs & lipids
carbs & water
59
animal cells only have which organelle?
cell membrane
chloroplasts
centrioles
nucleus
60
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
61
what is a solute?
a substance that can cross a membrane
a substance dissolved in water
the liquid that does the dissolving
a form of energy, like ATP
62
what organelle stores water in the plant cell?
nucleus
lysosome
vacuole
golgi
63
which has more OH- ions, acids or bases?
water
none of these
acids
bases
64
when bonds break...
energy is stored
a prokaryote is formed
energy is destroyed
energy is released
65
What does the 1 represent in the nitrogen cycle?
Nitrobactor
Animals dying
Plants using N to make proteins or nucleic acids
nitrite
66
Which organelle is found in eukaryote cells & is considered the "control center"?
vacuole
nucleus
chloroplast
mitochondria
