Antibody diversity arises from (A) Gene amplification (B) Gene re-arrangement (C) Alternative splicing (D) All of these

Antibody diversity arises from (A) Gene amplification (B) Gene re-arrangement (C) Alternative splicing (D) All of these
by

1 Answer

Answer :

Answer : B
by
selected

Related questions

Cancer cells may become resistant to amethopterin by (A) Developing mechanisms to destroy amethopterin (B) Amplification of dihydrofolate reducatse gene (C) Mutation in the dihydrofolate reductase gene so that the enzyme is no longer inhibited by amethopterin (D) Developing alternate pathway of thymidylate synthesis

Description : Cancer cells may become resistant to amethopterin by (A) Developing mechanisms to destroy amethopterin (B) Amplification of dihydrofolate reducatse gene (C) Mutation in the dihydrofolate reductase ... is no longer inhibited by amethopterin (D) Developing alternate pathway of thymidylate synthesis

Last Answer : Answer : B

Amplification of dihydrofolate reductase gene in a cancer cell makes the cell (A) Susceptible to folic acid deficiency (B) Less malignant (C) Resistant to amethopterin therapy (D) Responsive to amethopterin therapy

Description : Amplification of dihydrofolate reductase gene in a cancer cell makes the cell (A) Susceptible to folic acid deficiency (B) Less malignant (C) Resistant to amethopterin therapy (D) Responsive to amethopterin therapy

Last Answer : Answer : C

Ras proto-oncogene is converted into oncogene by (A) A point mutation (B) Chromosomal translocation (C) Insertion of a viral promoter upstream of the gene (D) Gene amplification

Description : Ras proto-oncogene is converted into oncogene by (A) A point mutation (B) Chromosomal translocation (C) Insertion of a viral promoter upstream of the gene (D) Gene amplification

Last Answer : Answer : A

Amplification of dihydrofolate reductase gene may be brought about by (A) High concentrations of folic acid (B) Deficiency of folic acid (C) Low concentration of thymidylate (D) Amethopterin

Description : Amplification of dihydrofolate reductase gene may be brought about by (A) High concentrations of folic acid (B) Deficiency of folic acid (C) Low concentration of thymidylate (D) Amethopterin

Last Answer : Answer : D

What is alternative RNA splicing? -Biology

Description : What is alternative RNA splicing? -Biology

Last Answer : answer:

What Franken-creatures can you imagine making as we become adept at gene splicing?

Description : What Franken-creatures can you imagine making as we become adept at gene splicing?

Last Answer : answer:A Monkey-pony. Watch it quick before Youtube takes down all their videos. ;) Why are you screaming? Did I use too many monkeys?

What is gene splicing? -Biology

Description : What is gene splicing? -Biology

Last Answer : answer:

What is gene splicing? -Biology

Description : What is gene splicing? -Biology

Last Answer : answer:

Production of a human protein in bacteria by genetic engineering is possible because (a) the human chromosome can replicate in bacterial cell (b) the mechanism of gene regulation is identical in humans and bacteria (c) bacterial cell can carry out the RNA splicing reactions (d) the genetic code is universal.

Description : Production of a human protein in bacteria by genetic engineering is possible because (a) the human chromosome can replicate in bacterial cell (b) the mechanism of gene regulation is identical in ... ) bacterial cell can carry out the RNA splicing reactions (d) the genetic code is universal.

Last Answer : (d) the genetic code is universal.

Cistron is a) The coding sequence of DNA b) The functional unit of DNA molecule that codes for a particular gene product c) Intervening non coding sequence of DNA d) The sequences which are removed during RNA splicing.

Description : Cistron is a) The coding sequence of DNA b) The functional unit of DNA molecule that codes for a particular gene product c) Intervening non coding sequence of DNA d) The sequences which are removed during RNA splicing.

Last Answer : b) The functional unit of DNA molecule that codes for a particular gene product c) Intervening non coding sequence of DNA

Antibody diversity results from a. Apoptosis. b. Antigenic shift. c. Somatic recombination. d. Complement binding.

Description : Antibody diversity results from a. Apoptosis. b. Antigenic shift. c. Somatic recombination. d. Complement binding.

Last Answer : c. Somatic recombination.

Numerous antibodies can be prepared, against one antigen, each binds to unique epitopes. How is this antibody diversity generated? A- By rearrangements of the DNA encoding the variable regions of the heavy and light chains B- By the combination of different heavy and light chains that form the antigen binding siteC- Antibody proteins can physically change their shape to bind different epitopes D- Both (a) and (b)

Description : Numerous antibodies can be prepared, against one antigen, each binds to unique epitopes. How is this antibody diversity generated? A- By rearrangements of the DNA encoding the variable regions of the heavy ... proteins can physically change their shape to bind different epitopes D- Both (a) and (b)

Last Answer : Both (a) and (b)

Explain the term Gene amplification. -Biology

Description : Explain the term Gene amplification. -Biology

Last Answer : An increase in the number of copies of a gene. There may also be an increase in the RNA and protein made from that gene. Gene amplification is common in cancer cells, and some amplified genes may cause cancer cells to grow or become resistant to anticancer drugs.

What is gene amplification? -Biology

Description : What is gene amplification? -Biology

Last Answer : answer:

What is gene amplification? -Biology

Description : What is gene amplification? -Biology

Last Answer : answer:

A light chain gene is constructed from the following segments: (A) Variable and constant segments (B) Variable, joining and constant segments (C) Variable, diversity and constant segments (D) Variable, joining, diversity and constant segments

Description : A light chain gene is constructed from the following segments: (A) Variable and constant segments (B) Variable, joining and constant segments (C) Variable, diversity and constant segments (D) Variable, joining, diversity and constant segments

Last Answer : Answer : B

In the complement system; a. alternative pathway does not rely on antibody b. C1 is the first enzyme complex in the classical pathway c. both the alternative and classical pathway converge at C3 d. all above

Description : In the complement system; a. alternative pathway does not rely on antibody b. C1 is the first enzyme complex in the classical pathway c. both the alternative and classical pathway converge at C3 d. all above

Last Answer : all above

A one-hop, full duplex, microwave system in a space diversity arrangement. Determine “how many receivers in all are used?” A. 8 B. 2 C. 4 D. 6

Description : A one-hop, full duplex, microwave system in a space diversity arrangement. Determine “how many receivers in all are used?” A. 8 B. 2 C. 4 D. 6

Last Answer : B. 2

Self-splicing can occur in (A) Some precursors of rRNA (B) Some precursors of tRNA (C) hnRNA (D) None of these

Description : Self-splicing can occur in (A) Some precursors of rRNA (B) Some precursors of tRNA (C) hnRNA (D) None of these

Last Answer : Answer : A

The common features of introns include all the following except (A) The base sequence begins with GU (B) The base sequence ends with AG (C) The terminal AG sequence is preceded by a purine rich tract of ten nucleotides (D) An adenosine residue in branch site participates in splicing

Description : The common features of introns include all the following except (A) The base sequence begins with GU (B) The base sequence ends with AG (C) The terminal AG sequence is preceded by a purine rich tract of ten nucleotides (D) An adenosine residue in branch site participates in splicing

Last Answer : Answer : C

You are travelling in far-off places of India through advanced Railway's reservation. When a lady enters with a request to give her a seat, what will be your reaction? Options: A) You refuse flatly that you cannot share the seat B) You give a second thought if the lady is young and beautiful C) You will ask her to sit for same time D) You will leave your seat and make alternative arrangement for yourself

Description : You are travelling in far-off places of India through advanced Railway's reservation. When a lady enters with a request to give her a seat, what will be your reaction? Options: A) You refuse ... her to sit for same time D) You will leave your seat and make alternative arrangement for yourself

Last Answer : C) You will ask her to sit for same time 

What is manipulating the arrangement of DNA that makes up a gene?

Description : What is manipulating the arrangement of DNA that makes up a gene?

Last Answer : Genetic engineering

What is manipulating the arrangement of DNA that makes up a gene?

Description : What is manipulating the arrangement of DNA that makes up a gene?

Last Answer : Genetic engineering

Complete the sentence. The alternative forms of gene at the same locus on homologous chromosomes are called what?

Description : Complete the sentence. The alternative forms of gene at the same locus on homologous chromosomes are called what?  

Last Answer : ANSWER: ALLELES 

An antibody probe is used in (A) Southern blotting (B) Northern blotting (C) Western blotting (D) None of these

Description : An antibody probe is used in (A) Southern blotting (B) Northern blotting (C) Western blotting (D) None of these

Last Answer : Answer : C

The immunoglobulin associated with reginic antibody is (A) Ig E (B) Ig D (C) Ig M (D) Ig A

Description : The immunoglobulin associated with reginic antibody is (A) Ig E (B) Ig D (C) Ig M (D) Ig A

Last Answer : Answer : A

Lymphocytes are responsible for the formation of (A) Serum (B) Plasma (C) Antibody (D) Calcium

Description : Lymphocytes are responsible for the formation of (A) Serum (B) Plasma (C) Antibody (D) Calcium

Last Answer : Answer : C

The half-life of antibody protein is about (A) 4 weeks (B) 3 weeks (C) 2 weeks (D) 1 week

Description : The half-life of antibody protein is about (A) 4 weeks (B) 3 weeks (C) 2 weeks (D) 1 week

Last Answer : Answer : C

The antigenic antibody functions of proteins by denaturation are frequently (A) Not changed (B) Changed (C) Both (A) and (B) (D) None of these

Description : The antigenic antibody functions of proteins by denaturation are frequently (A) Not changed (B) Changed (C) Both (A) and (B) (D) None of these

Last Answer : Answer : B

Reaginic antibody is (A) IgA (B) IgG (C) IgD (D) IgE

Description : Reaginic antibody is (A) IgA (B) IgG (C) IgD (D) IgE

Last Answer : Answer : D

On exposure to any antigen, the first antibody to be formed is of the following class: (A) IgA (B) IgG (C) IgM (D) IgE

Description : On exposure to any antigen, the first antibody to be formed is of the following class: (A) IgA (B) IgG (C) IgM (D) IgE

Last Answer : Answer : C

The alternate complement pathway doesn’t involve (A) Antigen-antibody complex (B) Complement 3 (C) Factors B and D (D) Membrane attack unit

Description : The alternate complement pathway doesn’t involve (A) Antigen-antibody complex (B) Complement 3 (C) Factors B and D (D) Membrane attack unit

Last Answer : Answer : A

The effector function of antibody is performed by (A) Variable region of light chains (B) Constant region of heavy chains (C) Variable regions of light and heavy chains (D) Constant regions of light and heavy chains

Description : The effector function of antibody is performed by (A) Variable region of light chains (B) Constant region of heavy chains (C) Variable regions of light and heavy chains (D) Constant regions of light and heavy chains

Last Answer : Answer : D

Antigens and haptens have the following similarity: (A) They have high molecular weights (B) They can elicit immune response by themselves (C) They can elicit an immune response only in association with some other large molecule (D) Once an immune response develops, free antigen and free hapten can be recognized by the antibody

Description : Antigens and haptens have the following similarity: (A) They have high molecular weights (B) They can elicit immune response by themselves (C) They can elicit an immune response only in association ... ) Once an immune response develops, free antigen and free hapten can be recognized by the antibody

Last Answer : Answer : D

All the following statements about haptens are true except (A) They have high molecular weights (B) They cannot elicit an immune response by themselves (C) When combined with some other large molecule, they can elicit an immune response (D) Once an immune response develops, the free hapten can be recognized by the antibody

Description : All the following statements about haptens are true except (A) They have high molecular weights (B) They cannot elicit an immune response by themselves (C) When combined with some other large ... response (D) Once an immune response develops, the free hapten can be recognized by the antibody

Last Answer : Answer : A

The portion of the antigen molecule which is recognized by antibody is known as (A) Hapten (B) Epitope (C) Complement (D) Variable region

Description : The portion of the antigen molecule which is recognized by antibody is known as (A) Hapten (B) Epitope (C) Complement (D) Variable region

Last Answer : Answer : B

How Monoclonal Antibody differs from Polyclonal Antibody?

Description : How Monoclonal Antibody differs from Polyclonal Antibody?

Last Answer : If an antigen is injected into an animal, a number of antibody-producing cells will bind that antigen albeit with varying degrees of affinity, and so the antibody which appears in the ... as therapeutic tools, for example to inactivate bacterial toxins and to treat certain forms of cancer.

What is RNA splicing? -Biology

Description : What is RNA splicing? -Biology

Last Answer : answer:

What happens during RNA splicing? -Biology

Description : What happens during RNA splicing? -Biology

Last Answer : answer:

Which of the following reunites the exon segments after RNA splicing? (a) RNA polymerase (b) RNA primase (c) RNA ligase (d) RNA proteose

Description : Which of the following reunites the exon segments after RNA splicing? (a) RNA polymerase (b) RNA primase (c) RNA ligase (d) RNA proteose

Last Answer : a) RNA polymerase

In eukaryotic cell transcription, RNA splicing and RNA capping take place inside the (a) ribosomes (b) nucleus (c) dictyosomes (d) ER

Description : In eukaryotic cell transcription, RNA splicing and RNA capping take place inside the (a) ribosomes (b) nucleus (c) dictyosomes (d) ER

Last Answer : (a) ribosomes

Removal of introns and joining of exons in a defined order during transcription is called (a) looping (b) inducing (c) slicing (d) splicing

Description : Removal of introns and joining of exons in a defined order during transcription is called (a) looping (b) inducing (c) slicing (d) splicing

Last Answer : (a) looping

Which of the following reunites the exon segments after RNA splicing? (a) RNA polymerase (b) RNA primase (c) RNA ligase (d) RNA proteoses

Description : Which of the following reunites the exon segments after RNA splicing? (a) RNA polymerase (b) RNA primase (c) RNA ligase (d) RNA proteoses

Last Answer : (c) RNA ligase

Removal of introns and joining of exons in a defined order during transcription is called (a) looping (b) inducing (c) slicing (d) splicing

Description : Removal of introns and joining of exons in a defined order during transcription is called (a) looping (b) inducing (c) slicing (d) splicing

Last Answer : d) splicing.

When two unrelated individuals or lines are crossed, the performance of F1 hybrid is often superior to both its parents. This phenomenon is called (a) heterosis (b) transformation (c) splicing (d) metamorphosis.

Description : When two unrelated individuals or lines are crossed, the performance of F1 hybrid is often superior to both its parents. This phenomenon is called (a) heterosis (b) transformation (c) splicing (d) metamorphosis.

Last Answer : (a) heterosis

What is true about ribosomes? (a) The prokaryotic ribosomes are 80S, where “S” stands for sedimentation coefficient. (b) These are composed of ribonucleic acid and proteins. (c) These are found only in eukaryotic cells. (d) These are self-splicing introns of some RNAs

Description : What is true about ribosomes? (a) The prokaryotic ribosomes are 80S, where “S” stands for sedimentation coefficient. (b) These are composed of ribonucleic acid and proteins. (c) These are found only in eukaryotic cells. (d) These are self-splicing introns of some RNAs

Last Answer : (b) These are composed of ribonucleic acid and proteins.

Lap splicing are not usually allowed for bars more than [ A ] 25 mm [ B ] 32 mm [ C ] 36 mm [ D ] None of the above

Description : Lap splicing are not usually allowed for bars more than [ A ] 25 mm [ B ] 32 mm [ C ] 36 mm [ D ] None of the above

Last Answer : [ C ] 36 mm

The length of bar necessary to develop the full strength of the bar is called [ A ] Bond [ B ] Development length [ C ] End anchorage [ D ] Splicing

Description : The length of bar necessary to develop the full strength of the bar is called [ A ] Bond [ B ] Development length [ C ] End anchorage [ D ] Splicing

Last Answer : [ B ] Development length

Lap splicing are not usually allowed for bars more than [ A ] 25 mm [ B ] 32 mm [ C ] 36 mm [ D ] None of the above

Description : Lap splicing are not usually allowed for bars more than [ A ] 25 mm [ B ] 32 mm [ C ] 36 mm [ D ] None of the above

Last Answer : [ C ] 36 mm

The length of bar necessary to develop the full strength of the bar is called [ A ] Bond [ B ] Development length [ C ] End anchorage [ D ] Splicing

Description : The length of bar necessary to develop the full strength of the bar is called [ A ] Bond [ B ] Development length [ C ] End anchorage [ D ] Splicing

Last Answer : [ B ] Development length