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Home Q & A Board Biology-Related Homework Help Biochemistry
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Pyruvate + CoA + NAD+ ____ + CO2 + ____ (Multiple Choice)
Pyruvate + CoA + NAD+ ____ + CO2 + ____ (Multiple Choice)
Pyruvate + CoA + NAD+  ____ + CO2 + ____
 
  a. oxaloacetate; ATP
  b. malonyl CoA; NADH + H+
  c. methylmalonyl CoA; biotin
  d. acetyl CoA; NADH + H+
  e. succinyl CoA; NAD+
Linalovespickle   18   1 Reply
6 years ago
Stuttering is a physiological condition and cannot be corrected. (True or false?)
Stuttering is a physiological condition and cannot be corrected. (True or false?)
Stuttering is a physiological condition and cannot be corrected.
 
 Indicate whether the statement is true or false
LRotundo   19   1 Reply
6 years ago
The purpose of performing a cystoscopy is to find all of the following EXCEPT:
The purpose of performing a cystoscopy is to find all of the following EXCEPT:
The purpose of performing a cystoscopy is to find all of the following EXCEPT:
 A) normal tissue.
  B) tumors.
  C) stones.
  D) infection.
koklok123   19   1 Reply
6 years ago
When explaining genetic coding to a group of students, the instructor discusses gene activation and ...
When explaining genetic coding to a group of students, the instructor discusses gene activation and ...
When explaining genetic coding to a group of students, the instructor discusses gene activation and deactivation. It was stressed that inactivation of a gene requires which of the following processes?
 
  A) Methylation of histone amino ac
cmsx27   19   2 Replies
6 years ago
The center of the retina is the _____, an area with a high density of photoreceptors, responsible ...
The center of the retina is the _____, an area with a high density of photoreceptors, responsible ...
The center of the retina is the _____, an area with a high density of photoreceptors, responsible for acute vision.
 
  Fill in the blank with the right word.
aggotfay   19   1 Reply
6 years ago
In the centrifugal separation of an eukaryotic cell, you might expect to detect ribosomes with what ...
In the centrifugal separation of an eukaryotic cell, you might expect to detect ribosomes with what ...
In the centrifugal separation of an eukaryotic cell, you might expect to detect ribosomes with what sedimentation coefficient?
 a. 80S
  b. 60S
  c. 80S and 70S
  d. 80S and 60S
lacoya15   19   1 Reply
6 years ago
Gap junctions allow which of the following processes to occur?
Gap junctions allow which of the following processes to occur?
Gap junctions allow which of the following processes to occur?
 a. transport of minerals and nutrients between adjacent cells
  b. protection against cell death if an adjacent neighbor cell dies
  c. movement of cells between adjacent
lacoya15   19   2 Replies
6 years ago
Of the following, which is the most direct way to shut down the transport of Na+ and K+ across ...
Of the following, which is the most direct way to shut down the transport of Na+ and K+ across ...
Of the following, which is the most direct way to shut down the transport of Na+ and K+ across animal cell membranes?
 a. administering large amounts of an ATP non-hydrolysable analog to stop ATP binding
  b. feeding the cells large amount
ugai_kyut   19   1 Reply
6 years ago
Examine the structures represented by the following models. Atoms other than carbon and hydrogen are ...
Examine the structures represented by the following models. Atoms other than carbon and hydrogen are ...
Examine the structures represented by the following models. Atoms other than carbon and hydrogen are indicated by the element symbol.
   
   
 
kescobar5   19   1 Reply
6 years ago
Examine the following structure. What is the number assigned to the penultimate carbon in this ...
Examine the following structure. What is the number assigned to the penultimate carbon in this ...
Examine the following structure.
 
crownlessking   19   2 Replies
6 years ago
Which of the following is the conjugate acid of water?
Which of the following is the conjugate acid of water?
Which of the following is the conjugate acid of water?
 a. HCl c. NH4+
  b. H3O+ d. OH
Revolver38   19   1 Reply
6 years ago
Which of the following elements might be the fuel in a fusion reaction?
Which of the following elements might be the fuel in a fusion reaction?
Which of the following elements might be the fuel in a fusion reaction?
 a. helium c. iron
  b. hydrogen d. uranium
sarah_verduzco1   19   1 Reply
6 years ago
Which of the following pieces of data can we obtain from a heating curve?
Which of the following pieces of data can we obtain from a heating curve?
Which of the following pieces of data can we obtain from a heating curve?
 a. boiling point of a liquid c. specific heat of a solid
  b. melting point of a solid d. all of the above
ksultz   19   1 Reply
6 years ago
Compounds found in which of the following products are removed from closest to the top of the ...
Compounds found in which of the following products are removed from closest to the top of the ...
Compounds found in which of the following products are removed from closest to the top of the fractional distillation tower used in the refining of petroleum?
 a. asphalt c. fuel oil
  b. lubricating oil d. gasoline
alshernandez   19   1 Reply
6 years ago
Which of the following is essentially biologically inactive?
Which of the following is essentially biologically inactive?
Which of the following is essentially biologically inactive?
 a. (R)-ibuprofen c. (R)-naproxen
  b. (S)-ibuprofen d. (S)-naproxen
nclariceb   19   1 Reply
6 years ago
Which of the following will be obtained by the reaction of pentanal with H2 in the presence of a ...
Which of the following will be obtained by the reaction of pentanal with H2 in the presence of a ...
Which of the following will be obtained by the reaction of pentanal with H2 in the presence of a transition metal catalyst?
 a. pentene c. 2-pentanol
  b. 1-pentanol d. pentanoic acid
lacoya15   19   2 Replies
6 years ago
What structural feature is associated with the prostaglandin F (PGF) group?
What structural feature is associated with the prostaglandin F (PGF) group?
What structural feature is associated with the prostaglandin F (PGF) group?
 a. a carbonyl at carbon-9
  b. a carboxylate at carbon-9
  c. hydroxyl groups at carbon-9 and carbon-11
  d. none of the above
lacoya15   19   1 Reply
6 years ago
What is the effect of administering cortisol to a patient?
What is the effect of administering cortisol to a patient?
What is the effect of administering cortisol to a patient?
 a. Both glucose and glycogen concentrations decrease.
  b. Both glucose and glycogen concentrations increase.
  c. Glucose concentration decreases but glycogen concentration
jayfro   19   1 Reply
6 years ago
Which of the following is true of all lecithins?
Which of the following is true of all lecithins?
Which of the following is true of all lecithins?
 a. Their fatty acids are all saturated.
  b. Their fatty acids are all unsaturated.
  c. There is always a phosphate group bound to carbon 1 of glycerol.
  d. There is always an u
Revolver38   19   1 Reply
6 years ago
Which of the following is the convention used to specify the sequence of bases in DNA?
Which of the following is the convention used to specify the sequence of bases in DNA?
Which of the following is the convention used to specify the sequence of bases in DNA?
 a. We start at the 3' end.
  b. We start at the 5' end.
  c. We start at the end closest to the first adenine.
  d. we start at the end close
jayfro   19   1 Reply
6 years ago
How many different chemical units make up a nucleotide?
How many different chemical units make up a nucleotide?
How many different chemical units make up a nucleotide?
 a. 2 c. 4
  b. 3 d. 5
Revolver38   19   1 Reply
6 years ago
What is the size of the full prokaryotic ribosomal complex?
What is the size of the full prokaryotic ribosomal complex?
What is the size of the full prokaryotic ribosomal complex?
 a. 30S c. 70S
  b. 50S d. 80S
ugai_kyut   19   1 Reply
6 years ago
Which of the following is true if an amino acid is incorrectly paired with a tRNA?
Which of the following is true if an amino acid is incorrectly paired with a tRNA?
Which of the following is true if an amino acid is incorrectly paired with a tRNA?
 a. This is not important since the complex will be very unstable.
  b. This is not important since the anticodon will not match up with its codon.
  c
hessar3   19   1 Reply
6 years ago
How many initiation codons are there?
How many initiation codons are there?
How many initiation codons are there?
 a. 1 c. 4
  b. 3 d. 20
Linalovespickle   19   1 Reply
6 years ago
Which of the following has a sequence that serves as a template for the RNA being produced?
Which of the following has a sequence that serves as a template for the RNA being produced?
Which of the following has a sequence that serves as a template for the RNA being produced?
 a. the DNA coding strand c. the DNA (+ ) strand
  b. the DNA () strand d. the DNA sense strand
rachelkimq   19   1 Reply
6 years ago
Where are B cells and T cells found?
Where are B cells and T cells found?
Where are B cells and T cells found?
 a. only in the blood
  b. only in the lymph
  c. primarily in the blood, but some are in the blood
  d. primarily in the lymph, but some are in the blood
hessar3   19   2 Replies
6 years ago
The RFLP technique : (Multiple Choice)
The RFLP technique : (Multiple Choice)
The RFLP technique
 A) is of most use with prokaryotic DNA
  B) is of no use on DNA that contains introns
  C) is used on the DNA of organisms that have two sets of chromosomes
  D) provides fewer genetic markers than classica
sarah_verduzco1   19   1 Reply
6 years ago
Which repair mechanism has an intermediate wherein a region of single-stranded DNA is temporarily ...
Which repair mechanism has an intermediate wherein a region of single-stranded DNA is temporarily ...
Which repair mechanism has an intermediate wherein a region of single-stranded DNA is temporarily created?
 A) Base Excision
  B) Nucleotide Excision
  C) Pol III Proofreading
  D) Mismatch Repair
redheadprincess   19   2 Replies
6 years ago
Glycolipids are characterized by containing the following non-lipid component:
Glycolipids are characterized by containing the following non-lipid component:
Glycolipids are characterized by containing the following non-lipid component:
 A) Sugars
  B) Glycerol
  C) Phosphate
  D) Sphingosine
  E) More than one of these characterize glycolipids.
lacinb30   19   1 Reply
6 years ago
The C-4 carbon dioxide carrier is:
The C-4 carbon dioxide carrier is:
The C-4 carbon dioxide carrier is:
 a. oxaloacetate
 b. glyoxylate
 c. apartate
 d. phosphoenolpyruvate
hawkins1346   19   1 Reply
6 years ago
Of the following, which is the most direct way to shut down the transport of Na+ and K+ across ...
Of the following, which is the most direct way to shut down the transport of Na+ and K+ across ...
Of the following, which is the most direct way to shut down the transport of Na+ and K+ across animal cell membranes?
 a. administering large amounts of an ATP non-hydrolysable analog to stop ATP binding
 b. feeding the cells large amounts
kescobar5   19   1 Reply
6 years ago
Which of the following statements concerning -oxidation of fatty acids is false?
Which of the following statements concerning -oxidation of fatty acids is false?
Which of the following statements concerning -oxidation of fatty acids is false?
 a. Initiation occurs at the methyl end of the fatty acid.
  b. -oxidation is the primary route for degradation of fatty acids.
  c. -oxidation takes pla
adamsnaya   19   1 Reply
6 years ago
The F1F0 complex is actually a transmembrane complex.
The F1F0 complex is actually a transmembrane complex.
The F1F0 complex is actually a transmembrane complex.
 a. True
  b. False
kekebab001   19   1 Reply
6 years ago
When fluorescent markers are used for DNA sequencing:
When fluorescent markers are used for DNA sequencing:
When fluorescent markers are used for DNA sequencing:
 a. the DNA separations are faster
  b. four different reaction mixtures must be used
  c. computer analysis can help in the detection of sequencing analysis at a faster rate
hawkins1346   19   1 Reply
6 years ago
The activating enzymes can actually remove wrong amino acids attached to a tRNA.
The activating enzymes can actually remove wrong amino acids attached to a tRNA.
The activating enzymes can actually remove wrong amino acids attached to a tRNA.
 a. True
  b. False
kescobar5   19   1 Reply
6 years ago
A single operon (Multiple Choice)
A single operon (Multiple Choice)
A single operon
 a. usually contains all the enzymes which are specific for the synthesis of a special biomolecule.
  b. usually does not contain all the enzymes which are specific for the synthesis of a special biomolecule.
  c. usua
bubblegum123   19   2 Replies
6 years ago
Which of the following is not a characteristic of hemoglobin?
Which of the following is not a characteristic of hemoglobin?
Which of the following is not a characteristic of hemoglobin?
 a. It contains two different types of subunits .
  b. It contains a prosthetic group.
  c. It is an allosteric enzyme.
  d. It transports oxygen.
  e. All of the
avaaaaa   19   1 Reply
6 years ago
Which one is not an example of supersecondary structure?
Which one is not an example of supersecondary structure?
Which one is not an example of supersecondary structure?
 a. the pyrrole ring
  b. the Greek key
  c. the -meander
  d. the -barrel
Jovaini   19   1 Reply
6 years ago
Which of the following best describes a motif?
Which of the following best describes a motif?
Which of the following best describes a motif?
 a. a repetitive supersecondary structure
  b. a common nonrepetitive irregularity found in antiparallel -sheets
  c. a protein conformation with biological activity
  d. a group of
Greenspotsock   19   1 Reply
6 years ago
What is the purpose for each of the steps in the thermocycler routine?
What is the purpose for each of the steps in the thermocycler routine?
What is the purpose for each of the steps in the thermocycler routine?
  What will be an ideal response?
hessar3   19   1 Reply
6 years ago
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