2067641
Descripción
Test por Rebecca Alexander, actualizado hace más de 1 año
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Creado por Rebecca Alexander
hace casi 10 años
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Pregunta 1
Pregunta
Which of the following is/are a part of Prokaryotic carbohydrate metabolism?
Respuesta
-
malate shuttle
-
chemiosmosis
-
niacin and riboflavin
-
A, B, and C
-
B and C
Pregunta 2
Pregunta
Which of the following is/are smaller?
Respuesta
-
cytosine
-
adenine
-
guanine
-
A and B
-
B and C
Pregunta 3
Pregunta
Which of the following is held together more loosely?
Respuesta
-
sugar-phosphate backbone
-
thymine and adenine
-
guanine and cytosine
-
sugars and nitrogenous bases
-
B and C
Pregunta 4
Pregunta
In a replicating fork, the parental 5' end would serve as the template for ____.
Respuesta
-
the lagging strand
-
the leading strand
-
the continuous strand
-
the discontinuous strand
-
A and D are correct terms
Pregunta 5
Pregunta
Which would be made in "chucks" termed Okasaki Fragments?
Respuesta
-
the continuous strand
-
the discontinuous strand
-
circular DNA
-
mRNA
-
16s RNA
Pregunta 6
Pregunta
If Escherichia coli opens in three locations, then there would be how many active replicating forks?
Respuesta
-
3
-
6
-
9
-
2
-
12
Pregunta 7
Pregunta
Which type of RNA is folded with protein to give a unique functional shape?
Respuesta
-
mRNA
-
tRNA
-
rRNA
-
B and C
-
A, B, and C
Pregunta 8
Pregunta
As an exception to the general rule, ____ has ____ DNA.
Respuesta
-
Bordetella, linear
-
Bordetella, circular
-
Borrelia, linear
-
Borrelia, circular
-
Burgdorferi, linear
Pregunta 9
Pregunta
The nitrogenous base thymine is attached to which carbon?
Respuesta
-
1' of deoxyribose
-
3' of deoxyribose
-
1' of ribose
-
3' of ribose
-
5' of deoxyribose
Pregunta 10
Pregunta
DNA and RNA polymerases synthesize in which direction?
Respuesta
-
3' to 5'
-
5' to 3'
-
antiparallel
-
double helix
-
downstream
Pregunta 11
Pregunta
Which enzyme facilitates "walking" to relieve tension as the DNA is relaxing the supercoil?
Respuesta
-
DNA helicase
-
DNA topisomerase
-
DNA polymerase III
-
DNA polymerase I
-
DNA ligase
Pregunta 12
Pregunta
How many primers would be necessary when making DNA off of the 3' parent leg?
Respuesta
-
one
-
two
-
one every ~1,000 bases
-
too numerous to count (TNTC)
Pregunta 13
Pregunta
Which of the following would be the least likely to open multiple replication forks?
Respuesta
-
Mycobacterium
-
Pseudomonas aeruginosa
-
Escherichia coli
-
Treponema
-
A and D
Pregunta 14
Pregunta
Which of the following will produce lactic acid?
Respuesta
-
Streptococcus
-
Clostridium
-
Saccharomyces
-
Lactobacillus
-
A and D
Pregunta 15
Pregunta
The reduced niacin from which step will feed hydrogen into the malate shuttle is?
Respuesta
-
glycolysis in prokaryotes
-
transition in prokaryotes
-
glycolysis in eukaryotes
-
transition in eukaryotes
-
A and C
Pregunta 16
Pregunta
This structure belongs to what category?
Respuesta
-
Pyrimidines
-
Purines
Pregunta 17
Pregunta
This structure belongs to what category?
Respuesta
-
Pyrimidines
-
Purines
Pregunta 18
Pregunta
The process of making RNA off of a DNA template is called what?
Respuesta
-
transcription
-
translation
-
transition
Pregunta 19
Pregunta
The process of making DNA off of the DNA template just before cell division is called what?
Respuesta
-
replication
-
translation
-
transcription
-
semi-conservative replication
-
transition
Pregunta 20
Pregunta
The process of using RNA to make a protein is called what?
Respuesta
-
transcription
-
translation
-
transition
-
replication
Pregunta 21
Pregunta
Protein synthesis is an anabolic reaction specifically using a _____ reaction to make a ____ bond between the building blocks called _____.
Respuesta
-
Dehydration synthesis, covalent/peptide, and amino acids
-
Dehydration synthesis, hydrogen, nitrogenous bases
-
Replication synthesis, covalent/peptide, and the sugar-phosphate backbone
Pregunta 22
Pregunta
The amino acids are brought to the ribosome attached to the ___ end of the ___.
Respuesta
-
3', tRNA
-
3', mRNA
-
3', DNA
-
5', tRNA
-
5', DNA
Pregunta 23
Pregunta
In eukaryotic cells, the DNA is wrapped around proteins called ___ in repetitive units called ___ to make the supercoil.
Respuesta
-
Nucleosomes, histones
-
Histones, nucleosomes
-
Centrioles, centrosomes
-
Centromeres, centrosomes
Pregunta 24
Pregunta
In the lac operation model, the presence of lactose will ___ the ____ from the _____ and thus turn the gene ____.
Respuesta
-
Add, inhibitor protein, moderator, off.
-
Remove, repressor protein, operator, on
-
Add, repressor protein, operator, off
-
Remove, inhibitor protein, moderator, on
Pregunta 25
Pregunta
List in order the enzymes involved in building the leading strand side of a replicating fork.
Respuesta
-
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.
Pregunta 26
Pregunta
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'
Respuesta
-
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'
Pregunta 27
Pregunta
Which of the following has the ability to generate the most ATP?
Respuesta
-
reduced riboflavin
-
oxidized riboflavin
-
reduced niacin
-
oxidized niacin
-
coenzyme A
Pregunta 28
Pregunta
Benzyprene, commonly found in soot and smoke, has been shown to cause which of the following types of mutation?
Respuesta
-
point mutation
-
sugar-phosphate backbone break mutation
-
spontaneous mutation
-
thymine dimmer mutation
-
frameshift mutation
Pregunta 29
Pregunta
The complete fermentation of two glucose molecules to ethanol generates ___ molecules of carbon dioxide.
Respuesta
-
one
-
two
-
three
-
four
-
six
Pregunta 30
Pregunta
Name the bacterial recombination process that is mediated by the sex pili.
Respuesta
-
transcription
-
translation
-
transformation
-
transduction
-
conjugation
Pregunta 31
Pregunta
In Plasmodium the hydrogens released during glycolysis will generate up to how many ATP's by chemiosmosis per glucose?
Respuesta
-
2
-
3
-
4
-
6
-
38
Pregunta 32
Pregunta
In Pseudomonas each acetyl that enters into the Krebs cycle will generate how many ATP's?
Respuesta
-
1
-
2
-
4
-
32
-
34
Pregunta 33
Pregunta
Which of the following typically generates ethanol as a fermentation end product?
Respuesta
-
Bacillus
-
Lactobacillus
-
Streptococcus
-
Saccharomyces
-
A, B, and C
Pregunta 34
Pregunta
Which cellular situation has the potential to generate the most ATP per glucose?
Respuesta
-
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
Pregunta 35
Pregunta
The complete aerobic breakdown of one molecule of glucose by Escherichia would generate ___ molecules of inorganic gas.
Respuesta
-
two
-
four
-
six
-
twelve
-
none of the above
Pregunta 36
Pregunta
Name the bacterial recombination process that involves competent bacteria in the log phase of growth.
Respuesta
-
transcription
-
translation
-
transformation
-
transduction
-
conjugation
Pregunta 37
Pregunta
Which of the following is larger?
Respuesta
-
deoxyribose
-
phosphate
-
ribose
-
adenine
-
cytosine
Pregunta 38
Pregunta
Name the bacterial recombination process that involves a bacteriophage.
Respuesta
-
transcritption
-
translation
-
transformation
-
transduction
-
conjugation
Pregunta 39
Pregunta
Which of the following is more likely to open multiple replication forks?
Respuesta
-
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
Pregunta 40
Pregunta
In Bacillus subtilis the hydrogen ions initially collect between the ____ and the plasma membrane during chemiosmosis before moving through the membrane and generating ATP.
Respuesta
-
thin layer of peptidoglycan
-
mitochondrial membrane
-
cristae
-
thick layer of peptidoglycan
-
capsule
Pregunta 41
Pregunta
Which of the following organisms has the ability to generate its own ribose?
Respuesta
-
Pseudomonas
-
Agrobacterium
-
Rhizobium
-
Escherichia
-
A, B, and C
Pregunta 42
Pregunta
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)?
Respuesta
-
Black and Green
-
Red only
-
Green only
-
Red and Green
-
Black, Red, and Green
Pregunta 43
Pregunta
Hydrogen carrier molecules are useful throughout carbohydrate metabolism to prevent an increase or a decrease in the pH?
Respuesta
-
increase
-
decrease
Pregunta 44
Pregunta
Name the carbon carrier that functions to feed the pyruvic acid derivative into the tricarboxylic acid cycle.
Respuesta
-
coenzyme A
-
niacin
-
riboflavin
-
pentose sugar
-
A and D
Pregunta 45
Pregunta
What is produced from transcription?
Respuesta
-
DNA
-
mRNA
-
tRNA
-
rRNA
Pregunta 46
Pregunta
What is produced from semi-conservative replication?
Respuesta
-
DNA copy
-
RNA copy
-
phosphate backbone
-
polymerases
Pregunta 47
Pregunta
Which transcription product carries the codons?
Respuesta
-
mRNA
-
tRNA
-
rRNA
Pregunta 48
Pregunta
Which transcription process has an anticodon?
Respuesta
-
mRNA
-
tRNA
-
rRNA
Pregunta 49
Pregunta
Which transcription product carriers the amino acids?
Respuesta
-
large subunit
-
small subunit
-
mRNA
-
tRNA
-
rRNA
Pregunta 50
Pregunta
In Plasmodium, the DNA is wrapped around ____ in repetitive subunits called ____.
Respuesta
-
proteins, amino acids
-
histones, nucleosomes
-
proteins, nucleosomes
-
histones, amino acids
Pregunta 51
Pregunta
Give a genus of prokaryotes which uncharacteristically has linear DNA.
Respuesta
-
Plasmodium
-
Borrelia
-
Baccilus
-
Streptococcus
-
Escherichia
Pregunta 52
Pregunta
Name the enzyme that allows the supercoil to relax and "walk over" to relieve tension.
Respuesta
-
DNA ligase
-
DNA polymerase I
-
DNA polymerase III
-
DNA topiosomerase II (DNA gyrase)
-
RNA primase
Pregunta 53
Pregunta
The lagging strand side of the replicating fork is uniquely made of individual ____ fragments.
Respuesta
-
chunk
-
interrupted
-
Okazaki
-
discontinuous
Pregunta 54
Pregunta
DNA polymerase III cannot process a complementary strand of DNA until a ___ has been placed.
Respuesta
-
primer (from RNA primase)
-
nucleotide (from the first DNA polymerase III)
-
space/gap/break (excised error/primers from DNA polymerase I)
Pregunta 55
Pregunta
Name the enzyme which has the ability to remove errors and primers in DNA replication.
Respuesta
-
RNA primase
-
DNA polymerase III
-
DNA polymerase I
-
DNA ligase
-
DNA topoisomerase
Pregunta 56
Pregunta
A prokaryote which opens in 4 locations would generate how many replicating forks?
Respuesta
-
2
-
4
-
6
-
8
-
12
Pregunta 57
Pregunta
List the acids generated during the tricarboxylic acid cycle in order starting with citric acid and give their carbon number as well.
Respuesta
-
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)
Pregunta 58
Pregunta
Which of the following would create lactic acid?
Respuesta
-
Saccharomyces
-
Bacillus
-
Steptococcus
-
B and C
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