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Biology Midterm Review
Biology Midterm Review
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Biology Midterm Questions
Flashcards
36 cards
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Questions
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Answers
1
A covalent bond is formed as the result of
sharing protons
transferring electrons
transferring protons
sharing electrons
2
Which organelle breaks down other organelles that are no longer useful?
Lysosome
Golgi apparatus
Mitochondria
Endoplasmic reticulum
3
Which organelle would you expect to find in plant cells but not animal cells?
ribosome
smooth endoplasmic reticulum
mitochondria
chloroplast
4
In the photosynthesis reaction, the products are 1 molecule of sugar and 6 molecules of
oxygen
glucose
ATP
water
5
The scientific method begins with
observations
experiments
hypothesis
conclusions
6
True or False: A substance with equal number of H
+
ions and OH
-
ions is a basic solution.
TRUE
FALSE
7
Which of the following activities happens within the stroma?
The Calvin Cycle produces sugar
ATP synthase produces ATP
Photosystem I absorbs light
Electrons move through the ETC
8
The Calvin cycle takes place in the
stroma
thylakoid membranes
photosystems
chlorophyll molecules
9
Things change over time. This is due to what big idea in biology?
Homeostasis
Growth and Development
Evolution
Interdependence in nature
10
Enzymes affect the reactions in living cells by changing the
temperature of the reaction
pH of the reaction
speed of the reaction
products of the reaction
11
Which of the following is NOT part of an ATP molecule?
adenine
phosphate
chlorophyll
ribose
12
Which of the following is NOT a true statement about ATP?
Used ATP is discarded by the cell as waste
ADP is produced when ATP releases energy
ATP consists of ribose, adenine, and 3 phosphate groups
ATP provides energy for the functions of the cell
13
Looking at a cell under a microscope, you note that it is a prokaryote. How do you know?
The cell lacks cytoplasm
The cell lacks a cell membrane
The cell lacks a nucleus
The cell lack genetic matieral
14
What advance in technology made the discovery of cells possible?
centrifuge
microscope
ultraviolet light
particle accelerator
15
Which of the following is NOT found in the overall reaction for photosynthesis?
nitrogen
water
light
carbon dioxide
16
Which of the following is NOT a characteristic of all living things?
Growth and Development
Response to the Environment
Ability to move
Ability to Reproduce
17
If you increased the light intensity, what happens to the rate of photosynthesis?
increases indefinitely
increases and then levels off
decreases indefinitely
does not change
18
What are the three parts of an ATP molecule?
NADH, HADPH, FADH2
adenine, thylakoid, phosphate group
adenine, ribose, and phosphate groups
stroma, grana, chlorophyll
19
Organisms that make their own food are called
autotrophs
heterotrophs
thylakoids
pigments
20
Which method of cell transport requires energy?
osmosis
diffusion
facilitated diffusion
active transport
21
Where are photosystems I and II found?
cell membrane
thylakoid membrane
stroma
calvin cycle
22
True or False: ATP synthase changes ADP to ATP when light energy passes through it.
TRUE
FALSE
23
Which of the following statements about the nucleus is NOT true?
The nucleus contains a nucleolus
The nucleus stores genetic material
The nucleus is surrounded by a nuclear membrane
The nucleus is the site of protein production
24
What causes the inside of the thylakoid to become positively charges with H
+
ions?
Carbon dioxide builds up in the stroma
ATP synthase allows H+ ions to pass into the thylakoid
ATP synthase produces ATP from ADP
H+ ions are released as water splits
25
Which of the following is a function of the cell membrane?
stores water
breaks down lipids
keeps the cell wall in place
regulates movement of materials in and out of the cell
26
Photosynthesis uses sunlight to convert water and carbon dioxide into
ATP and oxygen
high-energy sugars and proteins
oxygen and carbon
Oxygen and high-energy sugars
27
The diffusion of water across a selectively permeable membrane is called
active transport
osmotic pressure
osmosis
pinocytosis
28
True or False: The light-dependent reactions supply the Calvin Cycle with CO
2
and ATP
TRUE
FALSE
29
What are the reactants of the chemical reaction, CO
2
+ H
2
O → H
2
CO
3
H2CO3
CO2 and H2O
CO2
CO2, H2O, H2CO3
30
Where in the chloroplast is chlorophyll found?
in the ATP
in the ATD
in the stroma
in the thylakoid membrane
31
Water molecules are polar with the
both hydrogen and oxygen being slightly positive
oxygen begin slightly positive, hydrogen slightly negative
oxygen and hydrogen begin slightly negative
oxygen begin slightly negative, hydrogen slightly positive
32
Where do the light-dependent reactions take place?
within the thylakoid
in the stroma of the chloroplast
outside the chloroplasts
within the mitochondria
33
During an experiment, a scientist tests only one
Results
Mass of information
Conclusion
Variable
34
The Calvin Cycle is another name for the
light-dependent reaction
photosynthesis reaction
electron transfer chain
light-independent reaction
35
True or False: The rate of photosynthesis decreases, then levels off with an increase in light.
TRUE
FALSE
36
The energy needed to start a reaction is that
activation energy
adhesion energy
cohesion energy
chemical energy
