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Home Q & A Board Biology-Related Homework Help Biochemistry
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Which of the following statements regarding chaperones and chaperonins is correct?
Which of the following statements regarding chaperones and chaperonins is correct?
Which of the following statements regarding chaperones and chaperonins is correct?
 
  a. GroEL serves as a cap for GroES
  b. GroES is a large, cylindrical protein complex
  c. DnaK works with DnaJ to sequester hydrophobic regio
jennjenn563   19   1 Reply
6 years ago
AZT (3'-azido-2',3'-dideoxythymidine) is a drug that gets incorporated into growing viral DNA and ...
AZT (3'-azido-2',3'-dideoxythymidine) is a drug that gets incorporated into growing viral DNA and ...
AZT (3'-azido-2',3'-dideoxythymidine) is a drug that gets incorporated into growing viral DNA and blocks the activity of:
 
  a. DNA ligase.
  b. DNA polymerase  (beta).
  c. DNA polymerase  (alpha).
  d. reverse transcripta
jennjenn563   19   2 Replies
6 years ago
Which of the following hormones that governs eating behavior is INCORRECTLY defined?
Which of the following hormones that governs eating behavior is INCORRECTLY defined?
Which of the following hormones that governs eating behavior is INCORRECTLY defined?
 
  a. insulin: stimulation of adipocyte leptin production
  b. leptin: appetite suppression when levels are high
  c. ghrelin: released from st
mahi   19   1 Reply
6 years ago
The 6-phosphogluconate dehydrogenase reaction is an example of ____ and results in the production of ...
The 6-phosphogluconate dehydrogenase reaction is an example of ____ and results in the production of ...
The 6-phosphogluconate dehydrogenase reaction is an example of ____ and results in the production of ____.
 
  a. substrate-level phosphorylation; ATP
  b. oxidative-decarboxylation; NADPH
  c. TPP-assisted decarboxylation; NADH
Random   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
  B) 50S
  C) 70S
  D) 80S
Nalu   20   1 Reply
6 years ago
A client with a long-standing diagnosis of human immunodeficiency virus (HIV) has recently developed ...
A client with a long-standing diagnosis of human immunodeficiency virus (HIV) has recently developed ...
A client with a long-standing diagnosis of human immunodeficiency virus (HIV) has recently developed neutropenia and been admitted to a hospital. Which of the following measures should be prioritized by the nurses who are providing his care?
 
littlej_dvine   20   1 Reply
6 years ago
An oncology nurse is caring for a client with newly diagnosed B-cell lymphoma. Extensive blood work ...
An oncology nurse is caring for a client with newly diagnosed B-cell lymphoma. Extensive blood work ...
An oncology nurse is caring for a client with newly diagnosed B-cell lymphoma. Extensive blood work has been drawn and sent to the lab. Results reveal an elevated antiapoptotic protein BCL-2 level.
 
  The client/family asks, What does thi
slapaburger   20   1 Reply
6 years ago
Which medications might the nurse find in the prescriptions of a client diagnosed with anaphylactic ...
Which medications might the nurse find in the prescriptions of a client diagnosed with anaphylactic ...
Which medications might the nurse find in the prescriptions of a client diagnosed with anaphylactic shock? Select all that apply.
 
  1. Beta blockers
  2. Antihistamines
  3. Anticoagulants
  4. Glucocorticoids
  5. An
browniels   20   1 Reply
6 years ago
One photon of light absorbed by H. Halobium results in which of the following processes?
One photon of light absorbed by H. Halobium results in which of the following processes?
One photon of light absorbed by H. Halobium results in which of the following processes?
 a. the inward transport of 2 H+
  b. the outward transport of 2 H+
  c. the inward transport of Cl-
  d. both a and b
  e. both b and
98lindsey   20   1 Reply
6 years ago
Which of the listed products will be formed in the following reaction?
Which of the listed products will be formed in the following reaction?
Which of the listed products will be formed in the following reaction?
 
ksultz   20   2 Replies
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.
   
   
 
Pooh bear   20   1 Reply
6 years ago
Which of the following molecules has an S configuration?
Which of the following molecules has an S configuration?
Which of the following molecules has an S configuration?
  a.
   
 
nclariceb   20   1 Reply
6 years ago
Consider the following flow diagram. A mixture containing 2-octanol, cyclohexanamine, and potassium ...
Consider the following flow diagram. A mixture containing 2-octanol, cyclohexanamine, and potassium ...
Consider the following flow diagram. A mixture containing 2-octanol, cyclohexanamine, and potassium chloride was subjected to this procedure in a laboratory experiment.
   
 
Abessesen   20   2 Replies
6 years ago
How many elements are there in period 3?
How many elements are there in period 3?
How many elements are there in period 3?
 a. 2 c. 8
  b. 6 d. 18
alexiswells   20   1 Reply
6 years ago
Although atoms are the smallest unit of an element, relatively few elements can be found in nature ...
Although atoms are the smallest unit of an element, relatively few elements can be found in nature ...
Although atoms are the smallest unit of an element, relatively few elements can be found in nature as individual atoms. Which of the following elements can be found as individual atoms?
 a. hydrogen c. krypton
  b. iron d. sulfur
shoppa   20   1 Reply
6 years ago
When the concentration of a reactant is decreased which of the following is true?
When the concentration of a reactant is decreased which of the following is true?
When the concentration of a reactant is decreased which of the following is true?
 a. The rate of reaction always decreases.
  b. The rate of reaction usually decreases.
  c. The rate of reaction always increases.
  d. The rate o
Jnortontruvisio   20   2 Replies
6 years ago
A solution has a pH of 5.4 . What is its pOH?
A solution has a pH of 5.4 . What is its pOH?
A solution has a pH of 5.4 . What is its pOH?
 a. 8.6 c. 5.4
  b. 5.4 d. 8.6
lacinb30   20   1 Reply
6 years ago
Which of the following radioisotopes can be used to monitor thyroid function?
Which of the following radioisotopes can be used to monitor thyroid function?
Which of the following radioisotopes can be used to monitor thyroid function?
 a. C-14 c. I-131
  b. H-3 d. P-32
Jovaini   20   2 Replies
6 years ago
How many artificial radioisotopes have been synthesized in the laboratory?
How many artificial radioisotopes have been synthesized in the laboratory?
How many artificial radioisotopes have been synthesized in the laboratory?
 a. 26 c. approximately 500
  b. 92 d. more than 1000
Angela26kristin   20   1 Reply
6 years ago
Which of the following is the correct order of priorities in the R,S system?
Which of the following is the correct order of priorities in the R,S system?
Which of the following is the correct order of priorities in the R,S system?
 a. butyl < ethyl < methyl < propyl c. butyl < propyl < ethyl < methyl
  b. propyl < methyl < ethyl < butyl d. methyl < ethyl < propyl < butyl
Larrhea   20   1 Reply
6 years ago
Decarboxylation involves the loss of which of the following small molecules?
Decarboxylation involves the loss of which of the following small molecules?
Decarboxylation involves the loss of which of the following small molecules?
 a. CO c. H2CO2
  b. CO2 d. none of these
bronzeclock   20   1 Reply
6 years ago
Which of the following are discrete bodies within cells?
Which of the following are discrete bodies within cells?
Which of the following are discrete bodies within cells?
 a. nuclei c. both a and b
  b. mitochondria d. neither a nor b
mahi   20   1 Reply
6 years ago
Which of the following is a correct statement about the distribution of genes in a molecule of DNA? ...
Which of the following is a correct statement about the distribution of genes in a molecule of DNA? ...
Which of the following is a correct statement about the distribution of genes in a molecule of DNA?
 a. In both bacteria and higher organisms the genes are continuous.
  b. In both bacteria and higher organisms the genes are discontinuous.
Pooh bear   20   1 Reply
6 years ago
Which of the following is true of the base content of DNA?
Which of the following is true of the base content of DNA?
Which of the following is true of the base content of DNA?
 a. moles of cytosine = moles of adenine
  b. moles of cytosine = moles guanine
  c. moles of cytosine = moles of thymine
  d. none of the above
lacoya15   20   1 Reply
6 years ago
Which of the following is true of DNA and RNA?
Which of the following is true of DNA and RNA?
Which of the following is true of DNA and RNA?
 a. both are found in chromosomes
  b. DNA is found in chromosomes, but RNA is not
  c. RNA is found in chromosomes, but DNA is not
  d. neither is found in chromosomes
Jnortontruvisio   20   1 Reply
6 years ago
Which scientist is most closely associated with showing that DNA is the molecule that carries ...
Which scientist is most closely associated with showing that DNA is the molecule that carries ...
Which scientist is most closely associated with showing that DNA is the molecule that carries hereditary information?
 a. O. Avery
  b. G. Beadle
  c. E. Chargaff
  d. J. Watson
shoppa   20   1 Reply
6 years ago
Which of the following must occur so that the pre-initiation complex can be converted to the open ...
Which of the following must occur so that the pre-initiation complex can be converted to the open ...
Which of the following must occur so that the pre-initiation complex can be converted to the open complex?
 a. The C terminal end of the RNA polymerase must be dephosphorylated.
  b. The C terminal end of the RNA polymerase must be phospho
kescobar5   20   1 Reply
6 years ago
How many general transcription factors are there?
How many general transcription factors are there?
How many general transcription factors are there?
 a. 1 c. 4
  b. 2 d. 6
bubblegum123   20   1 Reply
6 years ago
Which of the following describes the relationship between glucose 6-phosphate and fructose ...
Which of the following describes the relationship between glucose 6-phosphate and fructose ...
Which of the following describes the relationship between glucose 6-phosphate and fructose 6-phosphate?
 a. They are anomers.
  b. They are enantiomers.
  c. They are isomers.
  d. There is no special relationship between them.
ahh_risa   20   1 Reply
6 years ago
When this structure is broken down during metabolism, which of the following monomers might be ...
When this structure is broken down during metabolism, which of the following monomers might be ...
When this structure is broken down during metabolism, which of the following monomers might be produced?
 a. glucose
  b. maltose
  c. sucrose
  d. Both glucose and maltose could be produced.
  e. All of the saccharides list
nclariceb   20   1 Reply
6 years ago
Based on all possible combinations V, J, D and constant regions, approximately how many antibody ...
Based on all possible combinations V, J, D and constant regions, approximately how many antibody ...
Based on all possible combinations V, J, D and constant regions, approximately how many antibody combinations are theoretically possible?
 a. approximately 10,000 c. more than 2 million
  b. approximately 1,000,000 d. more than 1 billion
linasottile   20   1 Reply
6 years ago
When T cells interact with an antigen, they differentiate into how many types?
When T cells interact with an antigen, they differentiate into how many types?
When T cells interact with an antigen, they differentiate into how many types?
 a. 1 c. 3
  b. 2 d. 4
hawkins1346   20   1 Reply
6 years ago
Which of the following are the first cells in the blood that encounter antigens?
Which of the following are the first cells in the blood that encounter antigens?
Which of the following are the first cells in the blood that encounter antigens?
 a. B cells c. macrophages
  b. dendritic cells d. T cells
lacoya15   20   1 Reply
6 years ago
Which of the following is true?
Which of the following is true?
Which of the following is true?
 a. Both B cells and T cells originate in the bone marrow.
  b. Both B cells and T cells originate in the thymus.
  c. Both B cells and T cells mature in the bone marrow.
  d. Both B cells and T ce
kristina92293   20   1 Reply
6 years ago
Which of the following enzymes is(are) involved in the transport of CO2 by blood?
Which of the following enzymes is(are) involved in the transport of CO2 by blood?
Which of the following enzymes is(are) involved in the transport of CO2 by blood?
 a. carbonic anhydrase c. both a and b
  b. hemoglobin d. neither a nor b
jayfro   20   1 Reply
6 years ago
Which of the following is not a role for hormones?
Which of the following is not a role for hormones?
Which of the following is not a role for hormones?
 A) maintenance of homeostasis
  B) mediation of responses to external stimuli
  C) growth and development
  D) antioxidants
jayfro   20   1 Reply
6 years ago
Which of the following is a water-soluble vitamin?
Which of the following is a water-soluble vitamin?
Which of the following is a water-soluble vitamin?
 A) A
  B) B6
  C) D
  D) E
kekebab001   20   1 Reply
6 years ago
An alternative mode of entry into the electron transport chain is the oxidation of :
An alternative mode of entry into the electron transport chain is the oxidation of :
An alternative mode of entry into the electron transport chain is the oxidation of
 A) malate to oxalosuccinate.
  B) succinate to fumarate.
  C) isocitrate to -ketoglutarate.
  D) -ketoglutarate to succinyl-CoA.
Jovaini   20   1 Reply
6 years ago
Which of the following is an advantage of using multiple steps in electron transport?
Which of the following is an advantage of using multiple steps in electron transport?
Which of the following is an advantage of using multiple steps in electron transport?
 A) By using several steps the net G is higher (more energy is released).
  B) More heat can be generated by using small steps.
  C) More energy c
kristina92293   20   1 Reply
6 years ago
The main difference, on the surface of a red blood cell, between the A-B-O major blood groups ...
The main difference, on the surface of a red blood cell, between the A-B-O major blood groups ...
The main difference, on the surface of a red blood cell, between the A-B-O major blood groups depends on
 A) the presence or absence of a certain protein sequence.
  B) the presence or absence of a certain sugar.
  C) the presence o
98lindsey   20   1 Reply
6 years ago
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