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1st Semester Exam Review
1st Semester Exam Review
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Biology Units 1-8
Flashcards
33 cards
F
Practice quiz
P
Host live
L
Questions
33
Answers
1
What is not a difference between plant and animal cells
Chloroplasts
Cell Walls
Mitochondria
Vacuole size
2
Which organelle is responsible for regulating what enters and exits the cell?
Vacuole
Cell Membrane
Golgi Body
Mitochondria
3
A hypothesis is...
Is proven correct
Is a theory written in a different way
Is always correct
Can be tested and be accepted or rejected
4
What is the movement of small molecules across a cell membrane from high to low concentration?
Diffusion
Exocytosis
Osmosis
Active Transport
5
Where does the light dependent reaction take place?
Stroma
Matrix
Cristae
Thylakoid
6
Which layer of the leaf performs the most photosynthesis?
Spongy mesophyll
Cuticle
Epidermis
Palisade Mesophyll
7
What is the simplest level of organization in living things?
Cell
Organ
Tissue
Organ system
8
The inner folded membrane of the mitochondria is called the ______________.
Matrix
Thylakoid
Stroma
Cristae
9
A variable that is changed or manipulated on purpose by a scientist in an experiment is a(n)
Secure variable
Independent variable
Control variable
Dependent variable
10
How does an enzyme speed up a chemical reaction?
By lowering the Activation Energy
By heating up the reactants
By mixing the reactants faster
By using energy in the air to complete the reaction
11
What macromolecule is used for long term energy storage and makes up the cell membrane layers?
Protein
Carbohydrate
Nucleic acid
Lipid
12
What is an enzyme?
A carbohydrate that is involved in the production of ATP
A protein that helps to speed up chemical reactions
A lipid used for energy storage
Always used to break apart molecules
13
The name to represent how the each substrate only binds to a specific enzyme?
The 3D enzyme model
The lock and door model
The lock and key model
The active site model
14
This building block is used to make up __________?
Nucleic Acids
Proteins
Carbohydrates
Lipids
15
What are the products of the Calvin Cycle?
NADPH
Oxygen
ATP
Glucose
16
A theory is...
Always true
A tested explanation that has been proven true.
Is always part of a controlled experiment hypothesis
Never tested
17
If when placed in a solution the cell shrinks the solution is?
Isotonic
Hypertonic
At equilibrium
Hypotonic
18
What is the name of this safety symbol?
Corrosive Materials
Protective Clothing
Biohazard
Radioactive
19
When molecules are too large to enter the cell through the membrane they use the process of?
Passive Transport
Endocytosis
Simple Diffusion
Exocytosis
20
What macromolecule is used for short term energy storage and cell walls in plants?
Protein
Lipid
Nucleic Acid
Carbohydrate
21
What is a difference between eukaryotes and prokaryotes?
The presence of a nucleus
The function of the flagellum
The presence of Ribosomes
The presence of a cell membrane
22
The Channels and pumps with in the cell membrane are made of what type of molecules?
Lipids
Carbohydrates
Proteins
Cholesterol
23
Which characteristic of living things explains why offspring have similar traits as parents?
Living things maintain homeostasis
Living things pass on genetic information using DNA
Living things are composed of cells
Living things respond to the environment
24
What is biology?
None of the above
The study of cells
The study of the living things
The study of rocks and organisms
25
Which side of the reaction is the products? CO
2
+ H
2
O --Sun---> C
6
H
12
O
6
+ O
2
Left
Right
26
How many ATP are made from one glucose molecule in aerobic respiration?
38
2
34
4
27
What macromolecule is used for making antibodies, enzymes and muscle?
Protein
Carbohydrate
Lipid
Nucleic Acid
28
The group that does not receive the independent variable is the_____________.
A control variable
A control test
A control group
A dependent variable
29
What step of cellular respiration is anaerobic?
The krebs cycle
The calvin Cycle
Glycolysis
The electron transport chain
30
These are the organelles produced by the Golgi Body
Vacuoles
Vesicles
Nucleus
Ribosomes
31
What macromolecule makes up DNA and RNA which stores our genetic information?
Nucleic Acid
Carbohydrate
Protein
Lipid
32
What is not a job of the Nucleus
Store DNA
Contains directions needed to make proteins
Makes carbohydrates that are ID tags for the cell
Regulates cell processes
33
What organelle packages and transports proteins and lipids throughout the cell?
Rough ER
Ribosome
Mitochondria
Golgi Body
