Semester Review
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Semester Review
Unit 1- Metric, characteristics of life, scientific methodUnit 2- ChemistryUnit 3- Organic ChemistryMicroscopesUnit 4- CellsUnit 5- Cell TransportUnit 6- PhotosynthesisUnit 7- Cellular RespirationUnit 49- Digestion
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Which measurement is the largest?
1 2 3 4
25% 25%25%25%A. 0.54mB. 54mmC. 0.000054kmD. 5.4cm
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What characteristic of life is the picture below?
A. B. C. D.
25% 25%25%25%
A. Transfer of EnergyB. Response to stimulusC. Cell D. Reproduction
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The SI unit for measuring volume is a
A. B. C. D.
25% 25%25%25%A. meterB. gramC. LiterD. second
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To be conducted properly, a scientific experiment should not have
A. B. C. D.
25% 25%25%25%A. more than one variable
B. accurate dataC. close observation
D. more than one control
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One carbon atom contains 12 neutrons and another carbon atom contains 14 neutrons. The two atoms are
A. B. C. D.
25% 25%25%25%A. isotopes B. isomersC. compoundsD. ions
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In a Ionic bond, electrons are
A. B. C. D. E. F.
17% 17% 17%17%17%17%A. TransferredB. GainedC. SharedD. LostE. Options A,B, and CF. Options A, B, and D
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If an atom has an atomic number of 13 and atomic mass of 27.0, how many neutrons does
this atom have?
A. B. C. D. E.
20% 20% 20%20%20%A. 13B. 27C. 14D. 50 E. can’t be determined
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How many molecules does 10 H2SO4 have?
A. B. C. D. E.
20% 20% 20%20%20%A. 1B. 2 C. 4D. 10E. 70
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The chemical reaction that occurs as wood or coal is burned is
A. B. C. D.
25% 25%25%25%A. ExergonicB. Endergonic C. DissociationD. Covalent
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Which of the following statements about enzyme’s is true?
A. B. C. D.
25% 25%25%25%A. require high amounts of heat for their operation
B. cannot be reusedC. are complex carbohydrate
molecules D. lower the activation energy
necessary for cellular reactions to occur
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Which organic molecule creates oils, waxes, butter, and lard?
A. B. C. D. E.
20% 20% 20%20%20%A. CarbohydratesB. ProteinsC. LipidsD. Nucleic AcidsE. All of the above
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Which organic molecule(s) contains carbon, hydrogen, & oxygen?
A. B. C. D. E.
20% 20% 20%20%20%A. CarbohydratesB. ProteinsC. LipidsD. Nucleic AcidsE. All of the above
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Which organic molecule is made up of nucleotides?
A. B. C. D. E.
20% 20% 20%20%20%A. CarbohydratesB. ProteinsC. LipidsD. Nucleic AcidsE. All of the above
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When forming a disaccharide, you must
A. B. C. D.
25% 25%25%25%A. combine two monosaccharides by adding water
B. combine two monosaccharides by removing water
C. combine two amino acids by adding water
D. combine a glycerol molecule with three fatty acid molecules
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Which condition would cause an enzyme to denature?
A. B. C. D. E.
20% 20% 20%20%20%A. BufferB. Neutral environmentC. ATPD. HomeostasisE. High temperatures
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Which organic compound shows fingernails turning violet in biuret solutions?
A. B. C. D. E. F.
17% 17% 17%17%17%17%A. MonosaccharideB. DisaccharideC. PolysaccharideD. ProteinE. LipidF. Nucleic Acid
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What is the total magnification of low power on a microscope if the eyepiece is 15X, low power is
5X and high power is 10X?
A. B. C. D. E.
20% 20% 20%20%20%A. 5XB. 10XC. 50XD. 75XE. 150X
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What part of the microscope is the arrow pointing at?
A. B. C. D.
25% 25%25%25%
A. StageB. Fine adjustmentC. ArmD. Coarse adjustment
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Eukaryote cells have
A. B. C. D. E.
20% 20% 20%20%20%A. NucleusB. Cell MembraneC. Endoplasmic
ReticulumD. RibosomesE. All of the above
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The centers of respiration in the cell are
A. B. C. D. E.
20% 20% 20%20%20%A. ChromosomesB. LysosomesC. RibosomesD. PlastidsE. Mitochondria
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Diffusion is due to
A. B. C. D.
25% 25%25%25%A. addition of energy to a system
B. random molecular motion (Brownian movement)
C. changing environments in a cell
D. equilibrium concentrations inside cells
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If a fresh water plant like Elodea were placed in a highly concentrated salt
solution, the cells would
A. B. C. D. E.
20% 20% 20%20%20%A. take in more waterB. show no changeC. increase turgor
pressureD. undergo cytolysisE. lose turgor pressure
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Facilitated diffusion occurs when carrier molecules are used to move substances
A. B. C. D.
25% 25%25%25%A. across a cell membrane with a concentration gradient
B. through waterC. across a cell membrane
against a concentration gradient
D. through cell walls
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Energy that is stored in ATP becomes available when
1 2 3 4
0% 0%0%0%
A. Phosphate #3 is added to the molecule
B. Phosphate #2 and #3 are both added to the molecule
C. Phosphate #3 is released with the help of an enzyme
D. Phosphate #2 is released with the help of an enzyme
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What products from the light reaction are needed in the dark reactions?
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0% 0%0%0%
A. ADP and NADPB. Glucose and OxygenC. Carbon Dioxide and ATPD. ATP and NADPH2
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What type of reaction would Photosynthesis be classified as?
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25% 25%25%25%
A. oxidationB. endergonicC. autotrophicD. exergonic
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What are 2 reactants of photosynthesis?
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0% 0%0%0%
A. Glucose and waterB. Glucose and carbon
dioxideC. Water and carbon
dioxideD. Water and oxygen
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The energy for dark reactions comes directly from where?
1 2 3
0% 0%0%
A. PhotonsB. Products from the light
reactionsC. Electrons energized from
sunlight
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What is the energy currency for cells?
1 2 3
0% 0%0%
A. GlucoseB. ADPC. ATP
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Water is split during what reaction(s)?
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0% 0%0%0%
A. Light ReactionsB. Dark ReactionsC. Both D. Neither
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NADP+ accepts hydrogen during what reaction(s)?
1 2 3 4
0% 0%0%0%
A. Light ReactionsB. Dark ReactionsC. Both D. Neither
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The leaves of a plant appear green because…
1 2
0%0%
A. They absorb green wavelengths of light and reflect others
B. They reflect green wavelengths of light and absorb others
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Cell power comes from
A. B. C. D. E.
0% 0% 0%0%0%
A. a change of ADP to ATPB. EnzymesC. formation of RuBD. breaking of the chemical bond of ATP
and forming ADP E. breaking the ADP high energy bond
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Chemical reaction in which energy is released in support of cell life is
A. B. C. D.
25% 25%25%25%A. PhotosynthesisB. ChemosynthesisC. OxidationD. Cell respiration
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The compounds CO2 and H2O
A. B. C. D.
25% 25%25%25%A. The reactants in cellular
respirationB. The reactants in
photosynthesisC. Products in photosynthesisD. Products in fermentation
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This accumulates in the muscles and causes fatigue, when oxygen is depleted
A. B. C. D.
25% 25%25%25%
A. CO2B. Lactic acidC. Pyruvic acidD. Glucose
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What is the first step in cellular respiration?
A. B. C. D.
25% 25%25%25%A. Kreb cycleB. FermentationC. Electron transport chainD. Glycolysis
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In aerobic respiration, what is the final electron acceptor
A. B. C. D.
25% 25%25%25%A. CO2B. NAD+C. oxygenD. FAD+
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What step of aerobic respiration begins when acetyl CoA and oxaloacetic acid combine?
A. B. C. D.
25% 25%25%25%
A. FermentationB. GlycolysisC. Citric acid cycleD. Electron transport chain
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In aerobic respiration, what is the NET amount of ATP produced
A. B. C. D.
25% 25%25%25%A. 34B. 36C. 38D. 40
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In aerobic respiration, what is the total number of hydrogen's removed?
A. B. C. D.
25% 25%25%25%A. 8B. 16C. 24D. 36
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In cellular respiration, what is the amount of activation energy needed?
A. B. C. D.
25% 25%25%25%A. 1 ATPB. 2ATPC. 3 ATPD. 4 ATP
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What is the net amount of ATP produced in anaerobic respiration?
A. B. C. D.
25% 25%25%25%A. 40 ATPB. 38 ATPC. 36 ATPD. 2 ATP
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In aerobic respiration, 4 ATP are produced in this stage
A. B. C. D.
25% 25%25%25%A. GlycolysisB. Forming acetyl CoAC. Kreb’s cycleD. Electron Transport Chain
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Which of the following is an important molecule created by both lactic acid and alcoholic
fermentation?
A. B. C. D.
25% 25%25%25%A. ATPB. NADH2C. CO2D. NAD+
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In the second step of aerobic respiration, pyruvic acid is converted into CO2, NADH2, and
…
A. B. C. D.
25% 25%25%25%
A. Citric acidB. Oxaloacetic acidC. Acetyl CoAD. Lactic acid
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If oxygen is not present, what is the final H accepter?
1 2 3 4
25% 25%25%25%1.NADH2
2.Water3. pyruvic acid4.ATP
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Where does the absorption of water take place in digestion?
A. B. C. D.
25% 25%25%25%A. StomachB. Small intestineC. PancreasD. Large intestine
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What is the purpose of HCl acid in the stomach?
A. B. C. D.
25% 25%25%25%A. causes the pH level to be more basic
B. emulsifies fatsC. enzymatically
digests carbohydrates
D. causes the pH level to be more acidic
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What is/are true statement(s) of villi?
A. B. C. D.
25% 25%25%25%A. are located in the large intestine
B. contain capillariesC. increase surface
area for absorption of food molecules
D. both B and C are correct
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Food is moved through the digestive tract through a series of involuntary muscular
contractions called
A. B. C. D.
25% 25%25%25%
A. Mechanical digestionB. Chemical digestionC. PeristalsisD. Stimuli
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Suppose a patient in a hospital had a damaged cardiac sphincter. How would the problem affect
the patient?
A. B. C. D.
25% 25%25%25%A. the appendix would not function properly
B. bile would not leave the gall bladder
C. saliva would not be secreted into the mouth
D. HCl acid would enter the esophagus and burn hole in it
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Which of the following is a type of chemical digestion?
A. B. C. D.
25% 25%25%25%A. chewing foodB. tongue pushing food
to the esophagusC. churning of the
stomachD. action of pepsin on
proteins
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What digestive organ is letter “A”?
A. B. C. D. E.
20% 20% 20%20%20%
A. AnusB. LiverC. EsophagusD. StomachE. Mouth
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Which letter is where most of the chemical digestion and absorption occurs?
1 2 3 4 5 6
17% 17% 17%17%17%17%
A. B. C. D. E.F.
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What digestive organ is letter “G”?
A. B. C. D. E.
20% 20% 20%20%20%
A. AnusB. LiverC. EsophagusD. Gall bladderE. Mouth
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Fats are broken down by _________ in the _____________.
1 2 3 4
25% 25%25%25%A. lipase, stomachB. pepsin, stomach C. lipase, small
intestineD. pepsin, small
intestine
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Where is pepsin formed?
A. B. C. D.
25% 25%25%25%A. mouthB. gastric glandC. small intestineD. large intestine
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Small polypeptides are broken down by __?__ into __?__.
A. B. C. D.
25% 25%25%25%A. lipase, fatsB. maltase,
monosaccharidesC. peptidase, amino
acids.D. nucleases, nucleic
acids