where is the cell membrane?

surrounds the outside of all cells

what is the purpose of the Light Dependant Reaction?

Capture energy from the sun and store energy in ATP and NADPH

What is the RNA structure?

A single strand of nucleotides with exposed bases

What is activation energy?

energy used to start a chemical reaction

The macromolecules are:

Carbs, Lipids, nucleic acids, proteins

A statement that is based on repeated experimental observations

what is the cytoplasm?

Holds everything in place, jelly-like substance

section of DNA that has instructions to code for proteins

What is the purpose of the Light Independant Reaction?

Use the energy from the "High energy molecules"

What is the goal of cellular respiration?

Convert chemical energy into food to chemical energy stored in ATP

What is concentration?

amount of solute dissolved in the solvent

all chemical reactions within each cell

What are the steps of DNA Replication?

unzip DNA, find complementary bases, two identical DNA molecules are formed

specialized structures within the cell that work together to help function

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Biology Midterm 2021 Review

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Questions 97

Answers

1
What does ETC stand for?
Etcetera
Electron Transport Chain
Electric Transport Chain
2
What fills the space around the thylakoid membrane?
stromo
stroma
3
where is the cell membrane?
surrounds the outside of animal cells
surrounds the outside of all cells
surrounds the outside of plant cells
4
all cells have
genetic material
cell membrane
nucleus
5
The phase after Telophase is Cytokinesis
False
True
6
the phases of Interphase are G₁, S, and G₂
True
False
7
In Aerobic Respiration, O₂is available
True
False
8
what bond is between the nitrogen bases?
James Bond
hydrogen bond
nitrogen bond
9
What is the first stage in cellular respiration?
Glycolysis
Glycolosis
10
what is the purpose of the Light Dependant Reaction?
Capture energy from the sun and store energy in ADP and NADPH
Capture energy from the sun and store energy in ATP and NADPH
11
Where does a malignant tumor exist?
2 locations
multiple locations
1 location
12
What is the RNA structure?
Double strand of nucleotides
A single strand of nucleotides with exposed bases
13
What is activation energy?
energy used to slow a chemical reaction
energy used to start a chemical reaction
14
What are models that show how energy flows?
trophic levels
trophic pyramid
flow charts
15
Cells spend about ___% of their time in _______ phase?
90%; G1
95%; G2
16
What is DNA considered to be?
semi-conservative
conservative
17
Is the hydrogen bond weak?
True
False
18
The macromolecules are:
Carbs
Lipids
nucleic acids
proteins
19
Macromolecules are large, organic molecules that make up all living things
False
True
20
Water is a terrific solvent
True
False
21
What is the sugar in RNA?
rybose
ribose
22
What does DNA contain that makes us, us?
genes
jeans
23
what is a principle?
A statement that is based on repeated experimental observations
A statement that is based on repeated experiments
24
A fact is an objective, and a correct observation
True
False
25
What does DNA stand for?
Deoxirybonucleic Acid
Deoxyribonucleic Acid
26
Mitosis is the division of the cell cycle
True
False
27
what is the cytoplasm?
Holds everything in place
jelly-like substance
28
What is a gene?
section of DNA that has instructions to code for proteins
section of DNA that has instructions to code for lipids
29
What is the chemical equation for photosynthesis?
6CO2 + 2H2O → C6H12O6 + 6O2
6CO2 + 6H2O → C6H12O6 + 6O2
30
What is the purpose of the Light Independant Reaction?
Use the energy from the "Low energy molecules"
Use the energy from the "High energy molecules"
31
What is the goal of cellular respiration?
Convert chemical energy into food to chemical energy stored in ATP
Convert chemical energy into food to chemical energy stored in NADPH
32
What is concentration?
amount of solute dissolved in the solvent
kids game
33
What is the sugar that is used in the structure of DNA?
Deoxyribose
glucose
34
Which is used in RNA?
Uracil
Cytosine
Thymine
Adenine
35
What is metabolism?
all chemical reactions within each cell
all chemical reactions in one cell
36
What are the types of sugar used in DNA and RNA?
Deoxyribose and ribose
Deoxirybose and rybose
37
Where does photosynthesis take place?
cytoplasm
thylakoid membrane
38
All living things are made of:
cars (inside joke with my sister)
carbs
lipids
cells
39
Enzymes are catalysts
True
False
40
The chemical equation for cellular respriation is C₆H₁₂O₂
True
False
41
What are phospholipids made up of?
head, tail
head, lipid
42
What is the process of an organism making its own food using chemicals?
chemosynthesis
Photosynthesis
43
What does Cytosine (C) bond with?
Adenine
Guanine
44
A Law
All of the above
describes patterns in nature
Often accepted as facts
45
What are the types of nitrogen bases for DNA?
A,T, C, G
G, T, U, A
C, G, U, T
46
A theory is:
Never becomes a fact or a law
Organizes facts and research from scientists to explain why
All of the above
explanation of an observed phenomenon
47
What is a cell?
the most complex unit of life
The most basic unit of life
48
What does RNA stand for?
rybonucleic acid
ribonucleic acid
49
What are the steps of DNA Replication?
unzip DNA, find complementary bases, identical DNA molecules are deleted
unzip DNA, find complementary bases, two identical DNA molecules are formed
50
What are organelles?
specialized structures within the cell that work together to do apoptosis
specialized structures within the cell that work together to help function
51
What macromolecule holds our genetic material?
Carbohydrates
Proteins
Nucleic Acids
Lipids
52
What happens when an enzyme loses shape?
denaturing
denaturation
reshaping
53
What are chromosomes?
tightly coiled
strands of DNA
54
What are substrates?
Reactants
Catalysts
55
What is the chemical equation for glucose?
C12H6O2
C6H12O6
56
What phase of Mitosis occurs at the same time as telophase?
cytokinesis
Anaphase
metaphase
telophase
57
The Light Independent Reaction occurs in the thylakoid membrane
True
False
58
Where does a benign tumor exist?
2 locations
1 location
multiple locations
59
what eats dead organisms?
detritivores
detrovors
omnivores
60
a particular way of knowing about the world
science
Technology
biology
sciencee
61
4 feet long is quantitative?
False
True
62
Humans have 24 pairs of chromosomes.
True
False
63
a chromatid is 1/2 of a duplicated chromosome
True
False
64
What is DNA Replication?
"deleting of DNA"
copying of DNA
65
what is a solution?
what does the dissolving
a uniform mixture of two or more substances
what gets dissolved
66
O2 _______ available in Anaerobic Respiration
is not
is
67
What is the analogy (not the answer) of the mitochondria?
powerhouse
power shack
68
What is cancer?
controlled cell division
uncontrolled cell division
69
Interphase, Prophase, Metaphase, Anaphase, and Telophase are parts of Mitosis
False
True
70
Adenine (A) bonds with what nitrogen base?
Thymine (T)
Guanine (G)
71
what is the figure that is made when the DNA structure is twisted?
double ladder
twisted helix
twisted ladder
double helix
72
Where does cellular respiration take place?
cell
mitochondria
nucleus
73
What are consumers also called and where do they get energy?
heterotrophs; living organisms
heterotrophs; living/once-living organisms
74
What are examples of qualitative?
Green liquid
sour taste
Large hole
75
Producers get energy from non living sources, so when do they capture energy and what are these called?
during photosynthesis, called autotrophs
during potosynthesis, called autotrophs
76
2-4 ATP is produced during Anaerobic Respiration?
False
True
77
All energy comes from where?
food
sun
earth
78
what is solvent?
what does the dissolving
a uniform mixture of two or more substances
what gets dissolved
79
An inference is a fact about an object or outcome
True
False
80
what is solute?
what gets dissolved
a uniform mixture of two or more substances
what does the dissolving
81
what is the cytoskeleton?
made of proteins
threadlike fibers
82
What is between the enzyme and the substrate?
Active Site
Construction site
83
What are the 4 nitrogen bases that make up the "ladder" of DNA?
Guanine
Cytosine
Adenine
Thymine/Uracil
84
What is matter?
something that has mass and occupies space
anything that has mass and occupies space
85
The 5 ways to change the rate of a chemical reaction are
Substrate concentration
Temperature
Catalysts, and Competitive Inhibitor
pH
86
What is an observation?
description of something that you can smell, touch, taste, and/or hear
Not an opinion
87
What are the properties of water?
Cohesion, Adhesion, Low Specific Heat, More dense as a solid
Cohesion, Adhesion, High Specific Heat, Less dense as a solid
88
What are controlled by enzymes?
Metabolic reactions
Metobolic reactions
89
What is the cell's job?
make energy
make protiens
make proteins
90
What is the shape of DNA?
Double Helix
Single strand
91
What is critical for all of life's processes?
sunlight
energy
food
enzymes
92
The light dependant Reaction happens in the grana (stacks of "pancakes")
True
False
93
All cells come from all other cells
False
True
94
the nucleus contains the DNA in all cells
True
False
95
What is Mass?
the central act of worship in the Roman Catholic Church
anything
96
How many ATP is produced during Aerobic Respiration?
34 - 36
32 - 36
97
Due to the law of conservation of energy, no energy is lost, it just changes form
False
True

Biology Midterm 2021 Review Flashcards | StudBud