What are the end products of glycolysis

Assignment Help Biology
Reference no: EM13121444

Practice test that I don't have the correct answers for. I would just like to double check myself.
Exam 2A 2007
1. Biological order
a. violates the first and second laws of thermodynamics
b. is dependent upon organisms being closed systems
c. is consistent with the second law of thermodynamics
d. can be seen in individual organisms but not whole populations
e. more than one of the above

2. A series of enzymes catalyze the reactions X ? Y ? Z ? A. Substance A can bind to the enzyme that converts X to Y at a location distant from its active site. Substance "A" functions as
a. a competitive regulator
b. a substrate
c. an intermediate
d. an allosteric regulator
e. a coenzyme

3. A yeast cell utilizes 8 molecules or glucose for energy production. No oxygen is available. What is the maximum yield of ATP?
a. 32 b. 24 c. 16 d. 8 e. 36 or 38

4. How does an enzyme catalyze a reaction:
a. by supplying energy to speed up the reaction
b. by lowering the free energy of the reaction
c. by lowering the energy of activation
d. by increasing free energy of the reaction
e. both b and c above are correct

5. Whenever energy is transformed there is always an increase
a. in the free energy of the system
b. in the free energy of the universe
c. in the entropy of the system
d. in the entropy of the universe
e. in the enthalpy of the universe

6. The pH of the of the chloroplast thylakoid compartment:
a. is equal to the pH of the cytoplasm
b. is greatest than the pH of the stroma
c. is less than the pH of the stroma
d. is equal to the pH of the stroma
e. none of the above

7. Glucose diffuses slowly through artificial phospholipid bilayers because of its size and polarity. Cells of the intestine, however, rapidly move large quantities of glucose form the digested food outside the cell into their glucose-poor cytoplasm. Which transport mechanism is most probably functioning in these intestinal cells?
a. facilitated diffusion b. endocytosis c. staple diffusion d. active transport e. osmosis

8. The kinds of molecules that pass through a cell membrane with most difficulty are
a. large and hydrophobic b. small and hydrophobic c. large polar molecules
d. monosaccharides such as glucose e. ions

9. The data in this figure are form an experiment in which the rate of photosynthesis (PHS) has been measured in two plants (UD and BR) under conditions of increasing levels of oxygen in the air. From these data you could conclude (Figure)
a. UD has only the dark reactions of photosynthesis
b. UD is a C3 plant and BR is a C4 plant
c. UD is a C4 plant and BR is a C3 plant
d. Only UD has the light reactions of photosynthesis
e. Only BR has the Calvin cycle

10. An animal cell places in a hypotonic solution will
a. increase in volume
b. decrease in volume
c. show no change in volume
d. initially increase, then decrease in volume
e. initially show no change, then increase in volume

11. Fluidity of membranes is decreased by
a. increasing the normal number of covalent bonds between membrane phospholipids
b. increasing the membrane content of phospholipids with saturated fatty acids
c. increasing their temperature
d. decreasing their temperature
e. more than one of the above is correct

12. Which of the following best characterizes membrane structure?
a. rigidity and water repellence
b. enzymes and ATP
c. passive and active
d. streaming and unorganized
e. asymmetry and fluidity

13. The movement of uncharged solute molecules form an area of lower concentration to an area of higher concentration is best described by
a. diffusion b. exocytosis c. active transport d. osmosis e. facilitated diffusion

14. The oxygen consumed during cellular respirations is directly involved in
a. glycolysis b. accepting electrons c. the Krebs cycle
d. the oxidation of pyruvate to acetyl CoA e. the phosphorylation of ADP

15. What type of poisonous agent would most directly interfere with glycolysis?
a. an agent that reacts with oxygen and reduces the concentration in the cell
b. an agent that binds to pyruvate and inactivates it
c. an agent structurally similar to glucose but unable to be catabolized
d. an agent that reacts with NADreduced and converts it to NAD+
e. an agent that inhibits the formation of acetyl coenzyme A

16. Figure: In which location is pyruvate synthesized?
17. Figure: Where are the enzymes of the citric acid cycle located?
18. Figure: Where are the electron transport carriers located?

19. Which of the following is true for endergonic reactions?
a. the products have more free energy than the reactants
b. the products have less free energy than the reactants
c. reactants will be converted completely to products
d. a net input of energy is required for the reaction to proceed
e. none of the above are correct

20. Which process in eukaryotic cells will proceed whether O2 is present or not?
a. electron transport
b. fermentation
c. oxidative phosphorylation
d. glycolysis
e. Krebs cycle

21. Which of the following statements are correct:
a. ATP serves as the main energy carrier in cells
b. ATP can drive endergonic reactions in cells
c. The regeneration of ATP from ADP and phosphate is an exergonic reaction

a. a only b. b only c. c only d. a and b only e. a, b, an c are correct

22. The color of light LEAST effective in stimulating photosynthesis is:
a. blue b. red c. orange d. yellow e. green

23. The chlorophyll termed P700 is reduced by electrons from
a. photosystem I
b. water
c. photsystem II
d. NADPreduced
e. accessory pigments

24. The chemiosmosis process in chloroplasts involves the
a. establishment of a protein gradient
b. diffusion of electrons through the thylakoid membrane
c. oxidation of water
d. movement of water by osmosis into the thylakoid
e. fixation of carbon dioxide

25. The initial reaction of the Calvin cycle
a. generates 3 molecules of a two carbon sugar
b. occurs in association with the thylakoid membrane
c. produces a molecule of carbon dioxide
d. requires a three carbon substrate molecule
e. involves carbon fixation

26. Which term most precisely describes the general process of converting small molecules into larger more complex ones?
a. catalysis b. metabolism c. anabolism d. dehydration e. catabolism

27. Endocrine signaling
a. occurs only in paracrine yeast cells
b. has been found in plants but not animals
c. involves chemical signals acting on cells near the secreting cell
d. involves chemical signals acting across a relatively long distance
e. more than one of the above are correct

28. From the perspective of the cell receiving the message, the three stages of cell signaling are
a. paracrine, synaptic and hormonal
b. reception, transduction and response
c. reception, response and division
d. alpha, beta and gamma
e. reception, generation and disintegration

29. Of the following, a receptor protein in a membrane that recognizes a chemical signal is more similar to
a. genes in the genome
b. an enzyme with an optimum pH and temperature for activity
c. a metabolic pathway in an organelle
d. an enzyme that binds a specific substrate
e. none of these answers is similar to a receptor protein

30. When a DNA forms from nucleotides, the following changes apply:
a. +?H, +?S, +?G b. -?H, +?S, +?G c. +?H, -?S, -?G
d. +?H, -?S, +?G e. -?H, -?S, +?G

31. Equilibrium is reached in an aqueous solution when
a. random thermal motion cease
b. solute and solvent molecules are moving at the same rate
c. dissolves solutes and solvent are equally distributed
d. molecular motion stops
e. there are the same number of solute and solvent molecules in the solution

32. Which of the following is an oxidized compound?
a. NADPH b. FADH c. NADH d. NAD+ e. more than one of the above

33. - 35. Which compounds in the lettered list are associated with the numbered pathways?
a. NAD
b. FAD
c. NADP
d. a and b above
e. none of the above

33. photosynthesis
34. citric acid cycle
35. fermentation

36. Increasing substrate concentration in an enzymatic reaction could overcome which of the following?
a. denaturation of an enzyme
b. allosteric inhibition of an enzyme
c. competitive inhibition of an enzyme
d. noncompetivie inhibition of an enzyme
e. lack of cofactors for an enzyme

37. Because bundle sheath cells are relatively protected from atmospheric oxygen, the level of _________ is held to a minimum in C4 plants.
a. glycolysis
b. light reactions
c. oxidative phosphorylation
d. cylic electron flow
e. photorespiration

38. According to the fluid-mosaic model of cell membranes, which of the following is a true statement about membrane proteins?
a. they have hydrophilic tails which occupy the interior of the membrane
b. they have frequently leave the membrane and dissolve in the surrounding fluid
c. they are mainly structural, having few, if any, specific functions
d. they often flip-flop form the exterior half of the bilayer to the interior half
e. they can be classified as either integral or peripheral

39. The light reactions of photosynthesis in eukaryotes:
a. utilize thylakoids as the principal pigment
b. occur in the chloroplast stroma
c. generate oxygen
d. require an initial input of ATP
e. more than one of the above is correct

40. In addition to ATP, what are the end products of glycolysis?
a. carbon dioxide and water
b. carbon dioxide and ethanol
c. water and ethanol
d. carbon dioxide and reduced NAD
e. pyruvate and reduced NAD

Reference no: EM13121444

Questions Cloud

What critical thinking skills could use : David and Susan have been married for about eight months. Sometimes when David forgets to perform even the most rudimentary chore, Susan gets upset and says, “You always forget to take out the trash!” David gets upset and replies, “Just like a woman!..
Write strengths and weaknesses of nonparametric tests : What are the strengths and weaknesses of nonparametric tests? Can the outcomes of the nonparametric tests be generalized to populations?
Franks shares of stock : Emily, one hundred (100) shares of stock and Frank, four hundred (400) shares of stock. Wren Corporation redeems one hundred fifty (150) of Frank's shares of stock (Adjusted Basis of $60,000) for $150,000. As a result of this transaction, which of..
Find modelling the rules of a game : Modelling the Rules of a Game. Alex and Mark are playing a game. The goal is to get to 100. The first player picks a whole number from 1 to 10, inclusive, and then the second player picks a whole number from 1 to 10 and adds it to the score so far..
What are the end products of glycolysis : According to the fluid-mosaic model of cell membranes, which of the following is a true statement about membrane proteins?
What mass (in kg) of rain falls on the lawn in 3.0 h : If a raindrop weighs 53 mg on average and 5.1 105 raindrops fall on a lawn every minute, what mass (in kg) of rain falls on the lawn in 3.0 h.
Create confidence intervals for population variance : Assume the sample is taken from a normally distributed population. Construct 98% confidence intervals for (a) the population variance o2 and (b) the population standard deviation.
Windows or linux : Using what you learned in Lessons 1 and 2 as well as in this lesson, write a well-developed  Argumented  essay on 4  Windows or Linux.  Your essay, which must demonstrate your understanding of the process analysis essay, will be graded using the fo..
The public needs to know - informative paper : The Public Needs to Know - The scenarios on which to focus your informative paper. Research the topic and include credible sources to support claims. Identify your purpose clearly, incorporate audience needs, establish a desired tone, and orga..

Reviews

Write a Review

 

Biology Questions & Answers

  Complication of any placental fragments

Discuss the most likely complication of any placental fragments are retained within the uterus? Define subinvolution.

  Ancestry tests on autosomal markers the most reliable

are ancestry dna tests(mtDNA,Y-chromosome STR test) reliable.

  Movement of glucose into the cell through a glucose channel

The movement of glucose into a cell against a concentration gradient is most likely to be accomplished by which of the subsequent. movement of glucose into the cell through a glucose channel.

  Trace the pathway of food through the system

Beginning at the esophagus, trace the pathway of food through the system. At each organ, indicate anatomical adaptations to the general GI tract tube structure that enhance the specific functions of the organs.

  Describe the process of muscle contraction

Describe the process of muscle contraction and how a neuromuscular blocking agent, as in metubine, would interfere with muscle contraction.

  Considerable dna sequence homology for recombination

Normally multicopy plasmids do not integrate into chromosome even when they contain considerable DNA sequence homology for recombination.

  What is the source of those organellar genomes

Eukaryotes, one complete set of nuclear chromosomes Note that Eukaryotes also possess a mitochondrial genome thus plants have a chloroplast genome and a mitochondrial genome What about fungi? What is the source of those organellar genomes.

  Why researchers have identified proteins called cohesins

During mitosis it is important for sister chromatids to stick together (called "cohesion") during some stages and then separate. Researchers have identified proteins called "cohesins" that are involved in sister chromatid cohesion. If you wanted t..

  Find genotypes and corresponding phenotypes of the parents

A new mutant strain of haploid fungus Neurospora was found. It showed erratic stop startgrowth and was called stopper.

  How to interpret experiment in terms of the checkpoint

Two types of signals have been implicated in metaphase checkpoint arrest. Consider the results of a recent experiment in which the unattached kinetochore of a monoattached chromosome was destroyed by a laser beam.

  Draw a diagram of poly adenylation process

Draw a diagram of the poly-adenylation process. How do we know that the Poly A tail is added post-transcriptionally?

  Which types of solutions to cause blood cell lysis

A black A/A B? B C? C is crossed with a colourless a/a b/b c/c to give a black F1. The F1 is selfed. What proportion of the F2 individuals is colourless.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd