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Duplicate of Chumiecki Midterm Review Part 1 Flashcards | StudBud
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Duplicate of Chumiecki Midterm Review Part 1
Duplicate of Chumiecki Midterm Review Part 1
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This is part 1 of the midterm review for Chumiecki.
Flashcards
100 cards
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Practice quiz
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Host live
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Questions
100
Answers
1
The space surrounding the nucleus of an atom contains which of the subatomic particles?
Protons
Neutrons
Electrons
Ions
2
The release of large or bulk particles from a cell?
Exocytosis
Endocytosis
3
Which one of the following is true of the photosystem one in photosystem two?
They absorb light energy. Used to energize electrons in chlorophyll
Both photosystems produce NADPH
They both split molecules of water
Each receives electrons from the other photosystem
4
Covalent bonds are formed when
Protons are exchanged from one atom to another atom
Electrons are shared between 2 atoms
Electrons are transferred from on atom to another atom
Protons are shared between two atoms
5
A hypothesis is a
Observation
Possible explanation
Theory
Guess
6
Which of these elements would not be found in a carbohydrate?
Nitrogen
Carbon
Oxygen
Hydrogen
7
10mm =
.1m
1m
.01m
.10m
8
What number is neutral on the pH scale?
3
5
14
7
9
What are the two building blocks of lipids?
Fatty acid tails and phospholipids
Triglycerides and phospholipids
Fatty acid tails and glycerol
Phospholipids and glycerol
10
Which one of the following is needed for the Calvin cycle?
Water
Oxygen
Carbon dioxide
Glucose
11
Animals store their excess glucose in glycogen
False
True
12
What condition might occur if to much water leaves a plant cell?
Plasmolysis
Cytolysis
Pinocytosis
Phagocytosis
13
When water dissolves a substance and forms a solution, water is considered to be the:
Reactant
Solvent
Solute
Mixture
14
10 cm =
10m
1m
.1m
.10m
15
The end products of the light dependent reactions are
Water, ADP, NADP
CO2, PGAL and Hydrogen
PGAL, ADP, ribulose
Oxygen, ATP, NADPH
16
The engulfing of large solid particles by a cell is called?
Phagocytosis
Pinosytosis
17
Carbohydrates are called the quick energy foods because they are quickly converted to energy by the cells
True
False
18
What name is given to the type of covalent bond that links together the amino acids in a protein?
Hydrogen bond
Oxygen bond
Peptide
Ionic bond
19
.12cL =
1.2mL
12mL
.12mL
1.2L
20
3.3mg =
3.3dg
.033Dg
.033dg
.0033dg
21
If a substance like sugar dissolves in water, sugar would be the:
Solvent
Reactant
Ion
Solute
22
Which of the following is an example of qualitative data?
The 6 pairs of robins hatched on average 3 chicks
The plant’s height is 25 centimeters
The fish swam in a zig zag motion
The temperature decreased from 20 degrees C to 15 degrees C
23
When comparing to solutions, the solution with the lower solute concentration is termed?
Hypotonic
Hypertonic
Isotonic
24
The nucleus of an atom is composed of:
Neutrons and electrons
Protons and electrons
Protons and neutrons
Protons, neutrons, electrons
25
Which of these statements is correct?
In science, there are absolute truths
Scientific ideas subjected to rigorous and repeated testing
Science does not require verifiable observations
In science, hypotheses need not be testable
26
What condition might occur if to much water enters an animal cell?
Endocytosis
Exocytosis
Cytolysis
Plasmolysis
27
What does adaptation mean in a biological context?
All of the above
inherited structure process or behavior that allows an organism to survive
The physiological process by which individuals adjust to their environment
The morphological changes that occur in individuals as they grow and develo
28
How do hypotheses differ from theories?
Theories must be testable; hypotheses don’t need to be testable
Hypotheses are more generally stated than theories
Theorey is a set of hypotheses supported by a great deal of scientific data
Hypotheses are educated guesses, and theories are possible explanations
29
Who was the first person to see in the scribe micro organisms under the microscope?
Schwann
Anton van Leeuwenhoek
Robert Hooke
Schleiden
30
All cells fall into 2 broad categories depending on whether or not they have
A cell membrane
Have ribosomes
Contain DNA
Have a nucleus
31
Which of the following are the proper components of the scientific method?
Question, observation, experiment, analysis, prediction
Experiment, conclusion, application
Observation question hypothesis prediction experiment, results, conclusion
Observation, question, opinion, conclusion, hypothesis
32
The part of an amino acid that gives the amino acid its unique shape and determines its properties is the
Amino group
Carboxyl group
Hydroxyl group
R group
33
In a scientific experiment, the control group:
Allows for the simultaneous testing of multiple factors
Serves to increase the sample size of the experiment
Is the sample that is subjected to the factor whose effect is being tested
Serves as a basis of comparison with the experimental group
34
The _______________ variable is measured during a scientific experiment.
Predicted
Independent
Dependent
Inferred
35
In photosynthesis, water is split in order to
Replace the electrons lost in photosystem two
Provide the hydrogen needed to produce energy NADPH
Provide the energy needed to change ADP into ATP
Produce the oxygen needed for the light independent reactions
36
A long chain of amino acids bonded together is called a
Dipeptide
Polysaccharide
Polypeptide
Disaccharide
37
what condition exists when the concentrations on the inside and outside are equal?
Isotonic
Hypotonic
Hypertonic
38
When comparing to solutions, the solution to higher solute concentration is called
Saturated
Isotonic
Hypertonic
Hypotonic
39
When two atoms share electrons in a covalent bond the atom around which the electron spend the most time will have a
Slightly negative charge
Positive charge
Negative charge
Slightly positive charge
40
The movement of water from an area of high to low concentration is called
active Transport
Diffusion
Osmosis
Facilitated diffusion
41
A substance formed by the combination of 2 or more elements in a definite proportion is called a
Mixture
Atom
Compound
Solution
42
Which one of the following is true of the polarity of water?
Both oxygen and hydrogen atoms are slightly negative
Oxygen atom is slightly negative, and the hydrogen atom is likely positive
Oxygen atom is slightly positive, hydrogen atom is slightly negative
Both oxygen and hydrogen atoms are slightly positive
43
The basic unit of matter is:
Compound
Atom
Mixture
Element
44
1mg =
.1g
.001g
.01g
1g
45
When an atom loses electrons, it forms an ion of what charge?
Positive or negative
Positive
Neutral
Negative
46
In the light independent reactions of photosynthesis,
Oxygen and is produced
Carbon dioxide is incorporated to produce the organic molecule sugar
ATP is synthesized
Water is split
47
Which of the following is a true statement about chlorophyll?
It absorbs mostly green light
It is useful for photosynthesis, but not absolutely necessary
It reflects the green wavelengths of light
It is responsible for the red and orange colors of leaves in the fall
48
The building blocks for proteins are
Amino acids
Glucose molecules
Glucose in fatty acids
Fatty acids and glycerol
49
Where does the light independent reaction occur?
Stroma of the chloroplast
Outer membrane of the chloroplast
Cytoplasm surrounding the chloroplast
Thylakoid membrane of the chloroplast
50
An enzyme is responsible for speeding up the chemical reactions of the cell?
False
True
51
Each of the following organelles surrounded by double membrane except
Golgi apparatus
Nucleus
Chloroplast
Mitochondria
52
A long string of simple sugars link together is called a
Monosaccharide
Polypeptide
Polysaccharide
Disaccharide
53
When particles move across the membrane from a higher low concentration and require help from transport proteins, it is
Active transport
Diffusion
Osmosis
Facilitated diffusion
54
All of the following compounds are required for green plant photosynthesis, except one. It is
ATP
NADPH
Oxygen
Water
55
The oxygen gas produced in photosynthesis is generated by
Addition of carbon dioxide to a five carbon molecule
The reduction of PGAL
The splitting of water during the light dependent reaction
The splitting of carbon dioxide
56
Which of the following is NOT a characteristic of active transport?
Active transport is required for phagocytosis and pinocytosis
Active transport requires energy
Active transport is required for facilitated diffusion
Active transport is required to move something from Low-high concentration
57
In organism that is capable of making its own food through photosynthesis called
An autotroph
A heterotroph
A decomposer
Unicellular
58
What type of transport does not require the cell to use energy?
Active transport
Passive transport
59
Which of the following is a characteristic of life?
Respond to stimuli
Eat food
Breathe oxygen
Move around
60
What name is given to a molecule consisting of many sugar molecules bonded together?
Monosaccharide
Polysaccharide
Disaccharide
Oligosaccharide
61
Buffers are the substances produced by cells to prevent sharp and sudden changes in pH inside the cells
True
False
62
Which of the following is not produced during the light dependent reactions?
Glucose molecules
Oxygen
NADPH
Hydrogen ions
63
When water molecules stick to other water molecules, it is known as
Adhesion
Cohesion
64
The SI (metric system) unit of measure for length is:
Milliliters
Centimeters
Meters
Kilograms
65
What type of bond is formed when electrons are transferred or exchanged between two atoms?
Covalent bond
Hydrogen bond
Oxygen bond
Ionic bond
66
Plants store their excess glucose in cellulose.
True
False
67
What name is given to a sugar consisting of only one molecule of glucose?
Polysaccharide
Oligosaccharide
Monosaccharide
Disaccharide
68
What name is given to a fact that has NO carbon to carbon double bonds?
Unsaturated fat
Saturated fat
69
What is produced in the light dependent reactions that is not needed for the light independent reactions?
ATP
Oxygen
Carbon dioxide
Water
70
What are the basic units of life?
Atoms
Organelles
DNA molecules
Cells
71
Which of the following is not included in the cell theory?
All cells come from pre-existing cells
All cells are produced by mitosis
The cell is the basic unit of function in all living things
The cell is the basic unit of structure in all living things
72
What is the name given to the stringy, fibrous material found in the cell wall of plants?
Saturated fat
Cellulose
Starch
Glycogen
73
What is biology?
The study of life
DNA fingerprinting
The study of genetics
The study of biomes
74
The net movement of water across a membrane occurs
From an isotonic solution to another isotonic solution
Only with the help of transport proteins that require energy
From hypertonic to the hypotonic side
From hypotonic to the hypertonic side
75
Which of the following is NOT a function of proteins?
They are used to fight diseases (antibodies)
They are used for structural purposes such as bones and muscles
They are used to store and transmit genetic information
They can be used to transport substances such as hemoglobin
76
44km =
.044m
44000m
44000g
4400m
77
Human red blood cells will undergo cytolysis if they were placed in which of the following solutions?
Saturated
Isotonic
Hypotonic
Hypertonic
78
An end product of the light independent reactions of photosynthesis is
ATP
Oxygen
NADPH
PGAL
79
As the light intensity increases, the rate of photosynthesis would
Decrease
Remain the same
Increase
Initially increase, but soon decrease
80
The pH scale is a measurement system that indicates the concentration of hydrogen in a solution
False
True
81
ATP serves which function in cells?
It serves as the enzyme during photosynthesis and respiration
It serves as a source of immediate energy for cells
It serves as a hydrogen acceptor During chemical reactions
It carries hereditary traits from generation to generation
82
NADPH is produced during the light dependent reaction of photosynthesis. Where does hydrogen come from to do this?
Water
Chlorophyll
NADH
NADPH
83
25hL =
2.05dL
25dL
250DL
2.5dL
84
The pH scale ranges between what two numbers
1-14
0-14
0-7
1-7
85
Which of these is a hypothesis?
My car’s battery is dead
My car is too old to function properly
My car will not start
My car does not start so I need to fix it.
86
Three fatty acids bonded to one molecule of glycerol forms a:
Starch molecule
Polypeptide
Triglyceride
Phospholipid
87
Which one of the following is the correct order of the levels of cellular organization from simplest to most complex?
Organ systems, organs, tissues, cells
Cells, tissues, organ systems, organs
Cells, tissues, organs, organ systems
Tissues, organs, cells, organ systems
88
Which of the following is the most immediate rule water in the light dependent reactions?
It is split and then can donate electrons to photosystem two
Water accepts electrons from the electron transport chain
It is split so that it can donate electrons to NADP+ to form NADPH
The hydrogen from water is used to accept electrons from ADP
89
High energy water molecules escape the surface of our skin leaving our skin feeling cooler. This is surface tension.
False
True
90
Where would one find photosystems an electron transport chains?
Embedded in the thylakoid membranes
along the cristae membrane
Embedded in the outer membrane of the chloroplast
Embedded in the inner membrane of the chloroplast
91
The light independent reactions require all of the following except
Carbon dioxide
ATP
NADP+
NADPH
92
ADP becomes ATP by
Losing an adenine group
Gaining a phosphate group
Transferring chemical energy to another compound
Losing energy during a chemical reaction
93
.004dm =
4.0cm
.04cm
4cm
.4cm
94
Which of the following is not an example of a carbohydrate?
Wax
Cellulose
Sugars
Starches
95
Which one of the following occurs at the end of the electron transport chain of photosystem one?
Electrons combine with an NADP+ to form NADPH
The electrons from photosystem two are replaced
ATP is produced
Water molecules are split
96
A cell that has a true nucleus and membrane bound organelle is called
Colonial
Prokaryotic
Eukaryotic
Unicellular
97
Name the lipid that forms the structural bases of membranes.
Triglycerides
Phospholipids
Fatty acid tails
Glycerol
98
Glucose is actually formed in photosynthesis when 2 molecules are joined together. These 2 molecules are
ATP and CO2
PGAL and PGAL
NADP and ATP
CO2 and PGAL
99
Who was the first person to use the word cell
Robert Hooke
Anton van Leeuwenhoek
Shawann
Schleiden
100
What term is used to describe the process of taking materials into the cell by means of infoldings of the cell membrane?
Phagocytosis
Pinocytosis
Endocytosis
Exocytosis