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PLEASE HELP TO PREPARE THESE QUESTIONS

- Know what photosynthesis is

- Be able to name the two major biochemical processes in photosynthesis & what
occurs at each stage
- Know the storage & transport carbohydrates in plants and animals
- Know the different portions of chloroplasts and mitochondria
- Be able to explain what happens at each stage of photosynthesis and aerobic
respiration
- Know the electron acceptors, electron donors, complex names, and mobile carriers
in photosynthesis and aerobic respiration
- Know where the electrons start and where they go when they go down ETSand
how this results in synthesis of ATP
- Know the number of ATP molecules generated from the oxidation of one glucose
molecule (glycolysis, TCAcycle, and ETS)
- Know the TCA cycle(the shortened figure)
- Know the principal of respiratory control
- Know what proton motive force is and how it contributes to ATP production
- Know what occurs with anaerobic respiration (how is lactate generated and what
are the consequences of lactate generation

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Beverley Smith
Beverley SmithLv2
28 Sep 2019
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Related questions

1. Plants need which of the following to carry on photosynthesis?

a. H2O

b. CO2

c. O2

d. both O2 and CO2

e. both H2O and CO2

2. Organisms that derive their chemical energy either from the process of chemosynthesis or photosynthesis are classified as

a. autotrophs.

b. parasites.

c. heterotrophs.

d. saprophytes.

e. mutualists.

3. The carbon source for organisms that derive their energy from photosynthesis is

a. carbon monoxide.

b. carbon dioxide.

c. hydrocarbons.

d. methane.

e. glucose.

4. The oxygen released in photosynthesis comes from

a. carbon dioxide.

b. glucose.

c. ribulose bisphosphate.

d. water.

5. When chlorophyll a molecules absorb energy, the molecules

a. release electrons.

b. release X-rays.

c. release energy.

d. release electrons and X-rays.

e. release electrons and energy.

6. The flow of what particle across the thylakoid membrane powers the production of ATP?

a. electrons

b. hydrogen ions

c. oxygen

d. carbon dioxide

e. phosphate ions 2

7. The light-independent reactions were discovered by

a. M. D. Hatch.

b. Andrew Benson.

c. Melvin Calvin.

d. Robert Hill.

e. both Andrew Benson and Melvin Calvin.

8. For each six atoms of carbon dioxide fixed in the light-independent reactions, how many molecules of PGAL (phosphoglyceraldehyde) are produced?

a. 2

b. 3

c. 6

d. 12

e. 15

Chapter 7

9. The ultimate source of energy for living things is

a. the Krebs cycle.

b. fossil fuels.

c. the sun.

d. glycolysis.

e. aerobic respiration.

10. When molecules are broken apart in respiration

a. the heat produced is used to drive biological reactions.

b. the oxygen in the compounds that are broken apart is used as an energy source.

c. the energy released in respiration is channeled into molecules of ATP.

d. ATP is converted into ADP.

e. ADP is released as a waste product.

11. ATP

a. can be produced by photosynthesis.

b. is produced in the degradation of organic compounds such as glucose.

c. is generated in anaerobic respiration.

d. is released in aerobic respiration.

e. all of these

12. Which part of the energy-releasing pathway can convert all carbon that enters to carbon dioxide?

a. fermentation

b. glycolysis

c. Krebs cycle

d. electron transport

e. phosphorylation

13. Which liberates the most energy in the form of ATP?

a. aerobic respiration

b. anaerobic respiration

c. alcoholic fermentation

d. lactate fermentation

e. All liberate the same amount, but through different means.

14. Aerobes use ________ as the final electron acceptor in electron transport phosphorylation.

a. hydrogen

b. carbon

c. oxygen

d. H2O 3

15. Glycolysis depends on a continuous supply of

a. NADP.

b. pyruvate.

c. NAD+.

d. NADH.

e. H2O.

16. Glycolysis

a. occurs in the mitochondria.

b. results in the production of pyruvate.

c. occurs in the cytoplasm.

d. occurs in the mitochondria and results in the production of pyruvate.

e. results in the production of pyruvate and occurs in the cytoplasm.

17. The end product(s) of glycolysis is(are)

a. acetyl CoA.

b. carbon dioxide.

c. pyruvate.

d. glucose.

e. glucose and carbon dioxide.

18. Which is capable of being reduced during both glycolysis and the Krebs cycle?

a. NAD+

b. FAD+

c. ADP

d. NADH

e. NADP+

19. The Krebs cycle takes place in the

a. ribosomes.

b. cytoplasm.

c. nucleus.

d. mitochondria.

e. chloroplasts.

20. The breakdown of pyruvate in the Krebs cycle results in the release of

a. energy.

b. carbon dioxide.

c. oxygen.

d. energy and oxygen.

e. energy and carbon dioxide.

1. Which of the following is common to both aerobic and anaerobicmicrobes?
Fermentation
An electron transport chain
Pyruvate oxidation
Glycolysis
All of the above
2. The primary purpose of catabolism is
generation of ADP.
generation of ATP.

oxidation of NADH to NAD+.
degradation of organic molecules.
biosynthesis.
3. What is a fate of pyruvate during alcoholic fermentation byyeast?
It is reduced to lactic acid.
It is oxidized to form glucose and carbon dioxide
It is cleaved to form acetylaldehyde and carbon dioxide.
It is catabolized in glycolysis.
It is oxidized to form lactic acid and carbon dioxide.
4. Electrons needed to reduce an oxidized electron acceptor areprovided by
a) externally provided compounds such asH<sub>2</sub>, lactate or formate.
b) an intermediate electron carrier such as NADH.
c) 0<sub>2</sub>.
d) Both a and b
e) All of the above
5. How are aerobic respiration and anaerobic respirationsimilar?
Both use oxygen as a terminal electron carrier.
These are other names for glycolysis.
Both utilize inorganic molecules as terminal electronacceptors.
Neither receives electrons from glycolysis.
Anaerobic respiration does not exist in microbes.
6. The conversion of phosphoenolpyruvic acid (PEP) topyruvate
a) releases CO<sub>2</sub>.
b) involves the conversion of ADP and ATP.
c) involves substrate-level phosphorylation.
d) Both a and b
e) Both b and c
7. Which of the following is the best definition offermentation?
The reduction of glucose to pyruvic acid

The complete catabolism of glucose to CO2 andH2O
The oxidation of a carbohydrate with organic molecules servingas electron donors and acceptors
The production of ATP from glucose
The production of ethanol from glucose
8. A reaction that yields energy has a
positive ?Go?.
negative ?Go?.
positive ?Eo?.
negative ?Eo?.
negative ?Ho?.
9. Oxidation and reduction reactions are always coupledbecause
a) electrons generally accompany protons.
b) protons generally accompany protons.
c) electrons cannot exist free in solution.
d) Both a and b
e) All of the above
10. Which of the following is true of aerobic respiration?
It involves the reduction of oxygen.
It involves the oxidation of oxygen.
It involves the reduction of lactic acid.
It involves the oxidation of lactic acid.
It does not generate ATP.
20. All living things must maintain a constantinternal environment to function properly through the process of__. (Points : 2)
metamorphosis
alkalosis
homeostasis
cryogenesis
Question 21.21. Glucose, fructose, sucrose,starch and glycogen are all examples of ___. (Points : 2)
proteins
carbohydrates
lipids
nucleic acids
Question 22.22. Some insects can "walk onwater" because __. (Points : 2)
water has a high surfacetension
water is adhesive
water istransparent
water expands when itfreezes
Question 23.23. To overcome an energy barrierbetween reactants and products in a chemical reaction, energy mustbe provided to get the reaction started. This energy is called ___energy. (Points : 2)
potential
reaction
initiation
activation
Question 24.24. Where in the cell doesglycolysis takes place? (Points : 2)
lysosomes
cytoplasm
mitochondria
nucleus
Question 25.25. Photosynthesis uses sunlightto convert water and carbon dioxide into __. (Points : 2)
carbon dioxide andwater
oxygen and sugars
proteins and sugars
carbon dioxide andoxygen
Question 26.26. The _____ of photosynthesisare the _____ of cellular respiration. (Points : 2)
electrons, protons
pigments, products
products, reactants
elements, atoms
Question 27.27. The energy currency of thecell is __. (Points : 2)
glucose
ATP
starch
glycogen
Question 28.28. When blood glucose levelsdecrease (as between meals), what reserves are tapped first?(Points : 2)
glycogen
fats
steroids
amino acids
Question 29.29. When glucose is used as anenergy source, the largest amount of ATP is produced by the ____portion of the entire respiratory process. (Points : 2)
glycolytic
Kreb's cycle
acetyl-CoAformation
electron transportchain
Question 30.30. Pyruvic acid can be regardedas the end product of ____. (Points : 2)
glycolysis
fermentation
the Kreb cycle
the electron transportchain
Question 31.31. How can one increase the rateof a chemical reaction? (Points : 2)
Increase the activationenergy.
Cool the reactants.
Decrease the pH.
Add an enzyme(catalyst).
Question 32.32. A prokaryote has ___. (Points: 2)
membrane-boundorganelles
nucleus
mitochondria
a cell membrane
Question 33.33. Unlike animal cells, plantcells have __. (Points : 2)
cell membranes
cell walls
chromosomes
mitochondria
Question 34.34. Which of the followingrequires energy to move molecules across the cell membrane? (Points: 2)
diffusion
osmosis
active transport
passive transport
Question 35.35. The ___ is the site of proteinsynthesis. (Points : 2)
nucleus
ribosome
mitochondrion
cytoskeleton
Question 36.36. Diffusion of water through asemipermeable membrane is called __. (Points : 2)
osmosis
diffusion
active transport
passive transport
Question 37.37. Which component of a cellmembrane is likely to function as a transporter? (Points : 2)
cholesterol
lipids
proteins
carbohydrates
Question 38.38. If potato slice is placed indistilled water, the cells would most likely __. (Points : 2)
lose water and becomelimp
neither take up water orlose water
take up water andswell
transport water into thecell by active transport.
Question 39.39. The chloroplast functions in___. (Points : 2)
protein synthesis
lipid storage
DNA replication
photosynthesis
Question 40.40. The fluid mosaic modelpresents the modern view of ___. (Points : 2)
the cell membranestructure
chromosome movementduring mitosis
protein synthesis
ATP production
Question 41.41. During which stage of mitosisdo nucleoli reappear and the nuclear membrane reforms? (Points :2)
prophase
metaphase
anaphase
telophase
Question 42.42. During which stage of mitosisdo chromatids separate to form two sets of daughter chromosomes?(Points : 2)
prophase
metaphase
anaphase
telophase
Question 43.43. Which of the following is thelongest stage of mitosis? (Points : 2)
prophase
metaphase
anaphase
telophase
Question 44.44. When during the cell cycle isDNA replicated? (Points : 2)
metaphase
Synthesis phase (S)
G1
cytokinesis
Question 45.45. A cell with 10 chromosomesundergoes mitosis and cell division. How many daughter cells areproduced and what number of chromosomes do they have? (Points :2)
4 daughter cells, 20chromosomes each
4 daughter cells, 5chromosomes each
2 daughter cells, 10chromosomes each
2 daughter cells, 5chromosomes each
Question 46.46. Maize (corn) has a haploidnumber of 10. How many chromosomes are in a zygote of maize?(Points : 2)
5
10
20
Not enough informationprovided
Question 47.47. Crossing over is one of themost important events in meiosis because __. (Points : 2)
homologous chromosomesare separated into different daughter cells
the number of chromosomesallotted to each daughter cell must be halved
sister chromatids must beseparated into different daughter cells
it produces new arrays ofalleles on chromosomes and contributes to genetic diversity
Question 48.48. While viewing stained onionroot tip cells you notice that distinct chromosomes cannot beobserved in most of the cells. This is because most of the cells___. (Points : 2)
were killed whilepreparing the slide
are in Interphase
are in metaphase
are undergoingMeiosis
Question 49.49. Each offspring cell producedby binary fission contains __. (Points : 2)
half the chromosomes ofthe original cell
twice as many chromosomesas the original cell
an independent assortmentof the original cell's chromosomes
an identical copy of theoriginal cell's chromosome.
Question 50.50. A DNA strand has the sequenceA-C-A-G-C-C-G-T-A. What would be its complementary strand? (Points: 2)
G-T-G-A-T-T-A-C-G
A-C-A-G-C-C-G-T-A
T-G-T-C-G-G-C-A-T
U-G-U-C-G-G-C-A-U

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