NIC Microbiology 250 - Rhena Cooper

Question 1 of 58

1

Which of the following is/are a part of Prokaryotic carbohydrate metabolism?

Select one of the following:

malate shuttle
chemiosmosis
niacin and riboflavin
A, B, and C
B and C

Explanation

Question 2 of 58

1

Which of the following is/are smaller?

Select one of the following:

cytosine
adenine
guanine
A and B
B and C

Explanation

Question 3 of 58

1

Which of the following is held together more loosely?

Select one of the following:

sugar-phosphate backbone
thymine and adenine
guanine and cytosine
sugars and nitrogenous bases
B and C

Explanation

Question 4 of 58

1

In a replicating fork, the parental 5' end would serve as the template for ____.

Select one of the following:

the lagging strand
the leading strand
the continuous strand
the discontinuous strand
A and D are correct terms

Explanation

Question 5 of 58

1

Which would be made in "chucks" termed Okasaki Fragments?

Select one of the following:

the continuous strand
the discontinuous strand
circular DNA
mRNA
16s RNA

Explanation

Question 6 of 58

1

If Escherichia coli opens in three locations, then there would be how many active replicating forks?

Select one of the following:

3
6
9
2
12

Explanation

Question 7 of 58

1

Which type of RNA is folded with protein to give a unique functional shape?

Select one of the following:

mRNA
tRNA
rRNA
B and C
A, B, and C

Explanation

Question 8 of 58

1

As an exception to the general rule, has DNA.

Select one of the following:

Bordetella, linear
Bordetella, circular
Borrelia, linear
Borrelia, circular
Burgdorferi, linear

Explanation

Question 9 of 58

1

The nitrogenous base thymine is attached to which carbon?

Select one of the following:

1' of deoxyribose
3' of deoxyribose
1' of ribose
3' of ribose
5' of deoxyribose

Explanation

Question 10 of 58

1

DNA and RNA polymerases synthesize in which direction?

Select one of the following:

3' to 5'
5' to 3'
antiparallel
double helix
downstream

Explanation

Question 11 of 58

1

Which enzyme facilitates "walking" to relieve tension as the DNA is relaxing the supercoil?

Select one of the following:

DNA helicase
DNA topisomerase
DNA polymerase III
DNA polymerase I
DNA ligase

Explanation

Question 12 of 58

1

How many primers would be necessary when making DNA off of the 3' parent leg?

Select one of the following:

one
two
one every ~1,000 bases
too numerous to count (TNTC)

Explanation

Question 13 of 58

1

Which of the following would be the least likely to open multiple replication forks?

Select one of the following:

Mycobacterium
Pseudomonas aeruginosa
Escherichia coli
Treponema
A and D

Explanation

Question 14 of 58

1

Which of the following will produce lactic acid?

Select one of the following:

Streptococcus
Clostridium
Saccharomyces
Lactobacillus
A and D

Explanation

Question 15 of 58

1

The reduced niacin from which step will feed hydrogen into the malate shuttle is?

Select one of the following:

glycolysis in prokaryotes
transition in prokaryotes
glycolysis in eukaryotes
transition in eukaryotes
A and C

Explanation

Question 16 of 58

1

This structure belongs to what category?

Select one of the following:

Pyrimidines
Purines

Explanation

Question 17 of 58

1

This structure belongs to what category?

Select one of the following:

Pyrimidines
Purines

Explanation

Question 18 of 58

1

The process of making RNA off of a DNA template is called what?

Select one of the following:

transcription
translation
transition

Explanation

Question 19 of 58

1

The process of making DNA off of the DNA template just before cell division is called what?

Select one of the following:

replication
translation
transcription
semi-conservative replication
transition

Explanation

Question 20 of 58

1

The process of using RNA to make a protein is called what?

Select one of the following:

transcription
translation
transition
replication

Explanation

Question 21 of 58

1

Protein synthesis is an anabolic reaction specifically using a _ reaction to make a bond between the building blocks called _.

Select one of the following:

Dehydration synthesis, covalent/peptide, and amino acids
Dehydration synthesis, hydrogen, nitrogenous bases
Replication synthesis, covalent/peptide, and the sugar-phosphate backbone

Explanation

Question 22 of 58

1

The amino acids are brought to the ribosome attached to the _ end of the _.

Select one of the following:

3', tRNA
3', mRNA
3', DNA
5', tRNA
5', DNA

Explanation

Question 23 of 58

1

In eukaryotic cells, the DNA is wrapped around proteins called _ in repetitive units called _ to make the supercoil.

Select one of the following:

Nucleosomes, histones
Histones, nucleosomes
Centrioles, centrosomes
Centromeres, centrosomes

Explanation

Question 24 of 58

1

In the lac operation model, the presence of lactose will _ the from the _ and thus turn the gene __.

Select one of the following:

Add, inhibitor protein, moderator, off.
Remove, repressor protein, operator, on
Add, repressor protein, operator, off
Remove, inhibitor protein, moderator, on

Explanation

Question 25 of 58

1

List in order the enzymes involved in building the leading strand side of a replicating fork.

Select one of the following:

DNA ligase, DNA polymerase III, DNA polymerase I, DNA polymerase III, RNA primase.
RNA primase, DNA polymerase III, DNA polymerase I, DNA polymerase III, DNA ligase, Okazaki Fragments.
RNA primase, DNA polymerase III, DNA polymerase I, DNA polymerase III, DNA ligase.
Okazaki Fragments, RNA primase, DNA polymerase III, DNA polymerase I, DNA polymerase III, DNA ligase.
DNA polymerase III, DNA polymerase I, DNA polymerase III, DNA ligase.

Explanation

Question 26 of 58

1

Given the following section of DNA give the correct order of amino acids linked together in the polypeptide.
5' T A A A T G A C T G A T T G A G T A 3'
3' A T T T A C T G A C T A A C T C A T 5'

Select one of the following:

5' T A A A T G A C T G A T T G A G T A 3'
5' U A A A U G A C U G A U U G A G U A 3'

Explanation

Question 27 of 58

1

Which of the following has the ability to generate the most ATP?

Select one of the following:

reduced riboflavin
oxidized riboflavin
reduced niacin
oxidized niacin
coenzyme A

Explanation

Question 28 of 58

1

Benzyprene, commonly found in soot and smoke, has been shown to cause which of the following types of mutation?

Select one of the following:

point mutation
sugar-phosphate backbone break mutation
spontaneous mutation
thymine dimmer mutation
frameshift mutation

Explanation

Question 29 of 58

1

The complete fermentation of two glucose molecules to ethanol generates ___ molecules of carbon dioxide.

Select one of the following:

one
two
three
four
six

Explanation

Question 30 of 58

1

Name the bacterial recombination process that is mediated by the sex pili.

Select one of the following:

transcription
translation
transformation
transduction
conjugation

Explanation

Question 31 of 58

1

In Plasmodium the hydrogens released during glycolysis will generate up to how many ATP's by chemiosmosis per glucose?

Select one of the following:

2
3
4
6
38

Explanation

Question 32 of 58

1

In Pseudomonas each acetyl that enters into the Krebs cycle will generate how many ATP's?

Select one of the following:

1
2
4
32
34

Explanation

Question 33 of 58

1

Which of the following typically generates ethanol as a fermentation end product?

Select one of the following:

Bacillus
Lactobacillus
Streptococcus
Saccharomyces
A, B, and C

Explanation

Question 34 of 58

1

Which cellular situation has the potential to generate the most ATP per glucose?

Select one of the following:

eukaryotes in an anaerobic environment
prokaryotes in an anaerovic environment
eukaryotes in an aerobic environment
prokaryotes in an aerobic environment
Clostridium in an anaerobic environment

Explanation

Question 35 of 58

1

The complete aerobic breakdown of one molecule of glucose by Escherichia would generate ___ molecules of inorganic gas.

Select one of the following:

two
four
six
twelve
none of the above

Explanation

Question 36 of 58

1

Name the bacterial recombination process that involves competent bacteria in the log phase of growth.

Select one of the following:

transcription
translation
transformation
transduction
conjugation

Explanation

Question 37 of 58

1

Which of the following is larger?

Select one of the following:

deoxyribose
phosphate
ribose
adenine
cytosine

Explanation

Question 38 of 58

1

Name the bacterial recombination process that involves a bacteriophage.

Select one of the following:

transcritption
translation
transformation
transduction
conjugation

Explanation

Question 39 of 58

1

Which of the following is more likely to open multiple replication forks?

Select one of the following:

Gram negative bacteria in log phase of growth
Gram positive bacteria in log phase of growth
Acid-fast mycobacterium in aerobic conditions
Staphylococcus on the skin
Semi-conservative replication in Treponema

Explanation

Question 40 of 58

1

In Bacillus subtilis the hydrogen ions initially collect between the ____ and the plasma membrane during chemiosmosis before moving through the membrane and generating ATP.

Select one of the following:

thin layer of peptidoglycan
mitochondrial membrane
cristae
thick layer of peptidoglycan
capsule

Explanation

Question 41 of 58

1

Which of the following organisms has the ability to generate its own ribose?

Select one of the following:

Pseudomonas
Agrobacterium
Rhizobium
Escherichia
A, B, and C

Explanation

Question 42 of 58

1

If the initial F+ bacterium is shown in black, and the F- bacterium is shown in red and the subsequent HFr cell joins with a green F- bacterium, then the resulting F+ recombinant will have a mother loop of DNA shown in what color(s)?

Select one of the following:

Black and Green
Red only
Green only
Red and Green
Black, Red, and Green

Explanation

Question 43 of 58

1

Hydrogen carrier molecules are useful throughout carbohydrate metabolism to prevent an increase or a decrease in the pH?

Select one of the following:

increase
decrease

Explanation

Question 44 of 58

1

Name the carbon carrier that functions to feed the pyruvic acid derivative into the tricarboxylic acid cycle.

Select one of the following:

coenzyme A
niacin
riboflavin
pentose sugar
A and D

Explanation

Question 45 of 58

1

What is produced from transcription?

Select one of the following:

DNA
mRNA
tRNA
rRNA

Explanation

Question 46 of 58

1

What is produced from semi-conservative replication?

Select one of the following:

DNA copy
RNA copy
phosphate backbone
polymerases

Explanation

Question 47 of 58

1

Which transcription product carries the codons?

Select one of the following:

mRNA
tRNA
rRNA

Explanation

Question 48 of 58

1

Which transcription process has an anticodon?

Select one of the following:

mRNA
tRNA
rRNA

Explanation

Question 49 of 58

1

Which transcription product carriers the amino acids?

Select one of the following:

large subunit
small subunit
mRNA
tRNA
rRNA

Explanation

Question 50 of 58

1

In Plasmodium, the DNA is wrapped around in repetitive subunits called .

Select one of the following:

proteins, amino acids
histones, nucleosomes
proteins, nucleosomes
histones, amino acids

Explanation

Question 51 of 58

1

Give a genus of prokaryotes which uncharacteristically has linear DNA.

Select one of the following:

Plasmodium
Borrelia
Baccilus
Streptococcus
Escherichia

Explanation

Question 52 of 58

1

Name the enzyme that allows the supercoil to relax and "walk over" to relieve tension.

Select one of the following:

DNA ligase
DNA polymerase I
DNA polymerase III
DNA topiosomerase II (DNA gyrase)
RNA primase

Explanation

Question 53 of 58

1

The lagging strand side of the replicating fork is uniquely made of individual ____ fragments.

Select one of the following:

chunk
interrupted
Okazaki
discontinuous

Explanation

Question 54 of 58

1

DNA polymerase III cannot process a complementary strand of DNA until a ___ has been placed.

Select one of the following:

primer (from RNA primase)
nucleotide (from the first DNA polymerase III)
space/gap/break (excised error/primers from DNA polymerase I)

Explanation

Question 55 of 58

1

Name the enzyme which has the ability to remove errors and primers in DNA replication.

Select one of the following:

RNA primase
DNA polymerase III
DNA polymerase I
DNA ligase
DNA topoisomerase

Explanation

Question 56 of 58

1

A prokaryote which opens in 4 locations would generate how many replicating forks?

Select one of the following:

2
4
6
8
12

Explanation

Question 57 of 58

1

List the acids generated during the tricarboxylic acid cycle in order starting with citric acid and give their carbon number as well.

Select one of the following:

Citric Acid (6)
Isocitric Acid (6)
Alpha-kryptoglutane Acid (5)
Succinyl Acid (4)
Succinic Acid (4)
Fumaric Acid (4)
Malic Acid (4)
Oxaloacetic Acid (4)
Fumaric Acid (4)
Malic Acid (4)
Oxaloacetic Acid (4)
Citric Acid (6)
Isocitric Acid (6)
Alpha-kryptoglutane Acid (5)
Succinyl Acid (4)
Succinic Acid (4)
Oxaloacetic Acid (4)
Malic Acid (4)
Fumaric Acid (4)
Succinic Acid (4)
Succinyl Acid (4)
Alpha-kryptoglutane Acid (5)
Isocitric Acid (6)
Citric Acid (6)

	Created by Rebecca Alexander over 9 years ago

Exam 2 - from an old exam from Rhene Cooper

NIC Microbiology 250 - Rhena Cooper

Question 1 of 58

Which of the following is/are a part of Prokaryotic carbohydrate metabolism?

Select one of the following:

Explanation

Question 2 of 58

Which of the following is/are smaller?

Select one of the following:

Explanation

Question 3 of 58

Which of the following is held together more loosely?

Select one of the following:

Explanation

Question 4 of 58

In a replicating fork, the parental 5' end would serve as the template for ____.

Select one of the following:

Explanation

Question 5 of 58

Which would be made in "chucks" termed Okasaki Fragments?

Select one of the following:

Explanation

Question 6 of 58

If Escherichia coli opens in three locations, then there would be how many active replicating forks?

Select one of the following:

Explanation

Question 7 of 58

Which type of RNA is folded with protein to give a unique functional shape?

Select one of the following:

Explanation

Question 8 of 58

As an exception to the general rule, ____ has ____ DNA.

Select one of the following:

Explanation

Question 9 of 58

The nitrogenous base thymine is attached to which carbon?

Select one of the following:

Explanation

Question 10 of 58

DNA and RNA polymerases synthesize in which direction?

Select one of the following:

Explanation

Question 11 of 58

Which enzyme facilitates "walking" to relieve tension as the DNA is relaxing the supercoil?

Select one of the following:

Explanation

Question 12 of 58

How many primers would be necessary when making DNA off of the 3' parent leg?

Select one of the following:

Explanation

Question 13 of 58

Which of the following would be the least likely to open multiple replication forks?

Select one of the following:

Explanation

Question 14 of 58

Which of the following will produce lactic acid?

Select one of the following:

Explanation

Question 15 of 58

The reduced niacin from which step will feed hydrogen into the malate shuttle is?

Select one of the following:

Explanation

Question 16 of 58

This structure belongs to what category?

Select one of the following:

Explanation

Question 17 of 58

This structure belongs to what category?

Select one of the following:

Explanation

Question 18 of 58

The process of making RNA off of a DNA template is called what?

Select one of the following:

Explanation

Question 19 of 58

The process of making DNA off of the DNA template just before cell division is called what?

Select one of the following:

Explanation

Question 20 of 58

The process of using RNA to make a protein is called what?

As an exception to the general rule, has DNA.

Protein synthesis is an anabolic reaction specifically using a _ reaction to make a bond between the building blocks called _.

The amino acids are brought to the ribosome attached to the _ end of the _.

In eukaryotic cells, the DNA is wrapped around proteins called _ in repetitive units called _ to make the supercoil.

In the lac operation model, the presence of lactose will _ the from the _ and thus turn the gene __.

Given the following section of DNA give the correct order of amino acids linked together in the polypeptide.
5' T A A A T G A C T G A T T G A G T A 3'
3' A T T T A C T G A C T A A C T C A T 5'