What Describes a change in the sequence of DNA molecule?

What Describes a change in the sequence of DNA molecule?
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Termination of the synthesis of the RNA molecule is signaled by a sequence in the template strand of the DNA molecule, a signal that is recognized by a termination protein, the (A) Rho (ρ) factor (B) σ factor (C) δ factor (D) ε factor

Description : Termination of the synthesis of the RNA molecule is signaled by a sequence in the template strand of the DNA molecule, a signal that is recognized by a termination protein, the (A) Rho (ρ) factor (B) σ factor (C) δ factor (D) ε factor

Last Answer : Answer : A

Restriction endonucleases are enzymes which (a) make cuts at specific positions within the DNA molecule (b) recognize a specific nucleotide sequence for binding of DNA ligase (c) restrict the action of the enzyme DNA polymerase (d) remove nucleotides from the ends of the DNA molecule

Description : Restriction endonucleases are enzymes which (a) make cuts at specific positions within the DNA molecule (b) recognize a specific nucleotide sequence for binding of DNA ligase (c) restrict the action of the enzyme DNA polymerase (d) remove nucleotides from the ends of the DNA molecule

Last Answer : (a) make cuts at specific positions within the DNA molecule

Following statements describe the characteristics of the enzyme restriction endonuclease. Identify the incorrect statement. (a) The enzyme recognises a specific palindromic nucleotide sequence in the DNA. (b) The enzyme cuts DNA molecule at identified position within the DNA. (c) The enzyme binds DNA at specific sites and cuts only one of the two strands. (d) The enzyme cuts the sugar-phosphate backbone at specific sites on each strand.

Description : Following statements describe the characteristics of the enzyme restriction endonuclease. Identify the incorrect statement. (a) The enzyme recognises a specific palindromic nucleotide sequence in the DNA. (b) ... (d) The enzyme cuts the sugar-phosphate backbone at specific sites on each strand.

Last Answer : (c) The enzyme binds DNA at specific sites and cuts only one of the two strands.

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

Which best describes the structure of a DNA molecule?

Description : Which best describes the structure of a DNA molecule?

Last Answer : The structure of a DNA molecule is generally called a "Double Helix"

which best describes the structure of dna molecule?

Description : which best describes the structure of dna molecule?

Last Answer : Answer:Two strands of DNA link together

Which best describes the structure of the DNA molecule?

Description : Which best describes the structure of the DNA molecule?

Last Answer : Answer:Two strands of DNA link together

What is the change in DNA sequence that affects genetic information?

Description : What is the change in DNA sequence that affects genetic information?

Last Answer : Mutation

Any change in the nucleotide sequence of dna is called what?

Description : Any change in the nucleotide sequence of dna is called what?

Last Answer : A change in the nucleotide sequence of DNA is called a mutation.Mutations take several forms:* substitution: one base is replaced by another* deletion: one or more nucleotides disappear from the ... likely to occur at a point during replication of DNA when the two strands are separated.

In the following partial sequence of mRNA, a mutation of the template DNA results in a change in codon 91 to UAA. The type of mutation is 88 89 90 91 92 93 94 GUC GAC CAG UAG GGC UAA CCG (A) Missene (B) Silent (C) Nonsense (D) Frame shit

Description : In the following partial sequence of mRNA, a mutation of the template DNA results in a change in codon 91 to UAA. The type of mutation is 88 89 90 91 92 93 94 GUC GAC CAG UAG GGC UAA CCG (A) Missene (B) Silent (C) Nonsense (D) Frame shit

Last Answer : Answer : B

.Change in sequence of nucleotide in DNA is called (a) mutagen (b) mutation (c) recombination (d) translation.

Description : .Change in sequence of nucleotide in DNA is called (a) mutagen (b) mutation (c) recombination (d) translation.

Last Answer : b) mutation

Change in sequence of nucleotide in DNA is called (a) mutagen (b) mutation (c) recombination (d) translation.

Description : Change in sequence of nucleotide in DNA is called (a) mutagen (b) mutation (c) recombination (d) translation.

Last Answer : mutation

Which of the statements give below is correct with respect to frameshift mutation a) a single nucleotide base change, insertion, or deletion of the genetic material b) Glutamine is replaced by valine c) Sickle cell anemia is an example d) insertions or deletions of a number of nucleotides in a DNA sequence that is not divisible by three.

Description : Which of the statements give below is correct with respect to frameshift mutation a) a single nucleotide base change, insertion, or deletion of the genetic material b) Glutamine is replaced by valine c) ... or deletions of a number of nucleotides in a DNA sequence that is not divisible by three.

Last Answer : d) insertions or deletions of a number of nucleotides in a DNA sequence that is not divisible by three.

The T ψ C arm in the tRNA molecule possesses the sequence (A) T, pseudouridine and C (B) T, uridine and C (C) T, dihydrouridine and C (D) T, adenine and C

Description : The T ψ C arm in the tRNA molecule possesses the sequence (A) T, pseudouridine and C (B) T, uridine and C (C) T, dihydrouridine and C (D) T, adenine and C

Last Answer : Answer : A

RNA molecules can be broken up into three classes-which type of RNA molecule is translated into a protein sequence?

Description : RNA molecules can be broken up into three classes-which type of RNA molecule is translated into a protein sequence?

Last Answer : Messenger RNA (mRNA). mRNAs are the RNA transcripts that contain protein coding sequences which are translated into protein.

Agonists affect the receptor molecule in the following manner: A. Alter its amino acid sequence B. Denature the receptor protein C. Alter its folding or alignment of subunits D. Induce covalent bond formation

Description : Agonists affect the receptor molecule in the following manner: A. Alter its amino acid sequence B. Denature the receptor protein C. Alter its folding or alignment of subunits D. Induce covalent bond formation

Last Answer : C. Alter its folding or alignment of subunits

Agonists affect the receptor molecule in the following manner: A. Alter its amino acid sequence B. Denature the receptor protein C. Alter its folding or alignment of subunits D. Induce covalent bond formation

Description : Agonists affect the receptor molecule in the following manner: A. Alter its amino acid sequence B. Denature the receptor protein C. Alter its folding or alignment of subunits D. Induce covalent bond formation

Last Answer : C. Alter its folding or alignment of subunits

What describes the motion of water molecule in ice?

Description : What describes the motion of water molecule in ice?

Last Answer : They do not move at all

Which of the following statements correctly describes the general reactivity of alkynes? (a) An alkyne is an electron-rich molecule and therefore reacts as a nucleophile. (b) The σ bonds of alkynes are higher in energy than the bonds and are thus more reactive. (c) Unlike alkenes, alkynes fail to undergo electrophilic addition reactions. (d) Alkynes are generally more reactive than alkenes.

Description : Which of the following statements correctly describes the general reactivity of alkynes? (a) An alkyne is an electron-rich molecule and therefore reacts as a nucleophile. (b) The σ bonds ... fail to undergo electrophilic addition reactions. (d) Alkynes are generally more reactive than alkenes.

Last Answer : Alkynes are generally more reactive than alkenes.

Which of the statements below correctly describes an achiral molecule? (a) The molecule has a nonsuperimposable mirror image. (b) The molecule exhibits optical activity when it interacts with plane-polarized light. (c) The molecule has an enantiomer. (d) The molecule might be a meso form

Description : Which of the statements below correctly describes an achiral molecule? (a) The molecule has a nonsuperimposable mirror image. (b) The molecule exhibits optical activity when it interacts with plane-polarized light. (c) The molecule has an enantiomer. (d) The molecule might be a meso form

Last Answer : The molecule might be a meso form

Which of the following statements best describes a lead compound? a) A compound that contains the element lead b) A compound from the research laboratory that is chosen to go forward for preclinical and clinical trials. c) A molecule that shows some activity or property of interest and serves as the starting point for the development of a drug. d) The first compound of a structural class of compounds to reach the market.

Description : Which of the following statements best describes a lead compound? a) A compound that contains the element lead b) A compound from the research laboratory that is chosen to go forward for preclinical and ... of a drug. d) The first compound of a structural class of compounds to reach the market.

Last Answer : c) A molecule that shows some activity or property of interest and serves as the starting point for the development of a drug.

What is the algebraic expression that describes the sequence 2 4 8 16 32?

Description : What is the algebraic expression that describes the sequence 2 4 8 16 32?

Last Answer : According to Wittgenstein's Finite Rule Paradox every finite sequence of numbers can be a described in infinitely many ways - some simple, some complicated but all equally valid.So, one possible solution to the question isT(n) = (n4 - 6*n3 + 23*n2 - 18*n + 24)/12 for n = 1, 2, 3, ...

Is the algebraic expression that best describes the sequence 36912?

Description : Is the algebraic expression that best describes the sequence 36912?

Last Answer : If you mean 3, 6, 9, 12 then the nth term is 3n

Is the algebraic expression that best describes the sequence 36912?

Description : Is the algebraic expression that best describes the sequence 36912?

Last Answer : If you mean 3, 6, 9, 12 then the nth term is 3n

What is the algebraic expression that describes the sequence 2 4 8 16 32?

Description : What is the algebraic expression that describes the sequence 2 4 8 16 32?

Last Answer : According to Wittgenstein's Finite Rule Paradox every finite sequence of numbers can be a described in infinitely many ways - some simple, some complicated but all equally valid.So, one possible solution to the question isT(n) = (n4 - 6*n3 + 23*n2 - 18*n + 24)/12 for n = 1, 2, 3, ...

Is the algebraic expression that best describes the sequence 2 4 8 16 32 ...?

Description : Is the algebraic expression that best describes the sequence 2 4 8 16 32 ...?

Last Answer : Each term is double the previous term and so the next term willbe 64

A patient with gross fecal contamination and peritonitis from a ruptured sigmoid diverticulum has his midline wound left open to heal by secondary intention. Which of the following statement(s) describes this healing process? a. Wounds healing in this fashion have an altered sequence of healing compared to a primarily closed wound b. A bed of granulation tissue forms over exposed subcutaneous tissue c. Epithelialization is enhanced in the face of bacterial colonization d. The ability of a wound to form granulation tissue is dependent on the blood supply of the tissue

Description : A patient with gross fecal contamination and peritonitis from a ruptured sigmoid diverticulum has his midline wound left open to heal by secondary intention. Which of the following statement(s) describes this ... of a wound to form granulation tissue is dependent on the blood supply of the tissue

Last Answer : Answer: b, d Open wounds, whether they be ulcers or open surgical incisions closing by secondary intention, heal with the same sequence of inflammation, matrix deposition, epithelialization ... via bacterial and phagocytic cell products such as proteases, collagenases, elastases, and other enzymes

What bases are found in a DNA molecule?

Description : What bases are found in a DNA molecule?

Last Answer : The nitrogen bases found in a DNA molecule are adenine, thymine,cytosine, and guanine.

what molecule makes DNA?

Description : what molecule makes DNA?

Last Answer : DNA stands for Deoxyribo nucleic acid . It has a deoxy riboseand a nitrogen base and the phosphate gruop as the backbone of DNA.The DNA is basically made up th nucleotide base pair which arethymine , Adenine , Guanine, and Cytosine. DNA is considered as agenetic material in humans.

What is the shape of DNA molecule ?

Description : What is the shape of DNA molecule ?

Last Answer : DNA molecules are shaped like a spiral staircase.

DNA Molecule Bi - helix Of structure Father Who ?

Last Answer : DNA Molecule Bi - helix Of structure Father Watson, Creek

After 4 PCR cycles how many DNA molecules are formed from one DNA template molecule ?

Description : After 4 PCR cycles how many DNA molecules are formed from one DNA template molecule ?

Last Answer : After 4 PCR cycles how many DNA molecules are formed from one DNA template molecule ? A. 4 B. 32 C. 16 D. 8

Single circular DNA molecule is found in :-

Description : Single circular DNA molecule is found in :-

Last Answer : Single circular DNA molecule is found in :- A. B B. D C. C D. E

How many molecules of DNA would result from the molecule after five cycles of PCR?

Description : How many molecules of DNA would result from the molecule after five cycles of PCR?

Last Answer : The number of double stranded DNA pieces is doubled in each cycle, so that after n cycles you have 2^n (2 to the n:th power) copies of DNA. For example, after 10 cycles you have 1024 copies, after 20 cycles you have about one million copies, etc.

What are the components and structure of a DNA double helix molecule?

Description : What are the components and structure of a DNA double helix molecule?

Last Answer : Feel Free to Answer

If a DNA molecule is 20 percent G what are the percentages of the other three bases?

Description : If a DNA molecule is 20 percent G what are the percentages of the other three bases?

Last Answer : What is the answer ?

What percent of the material in a DNA molecule contains the genetic code?

Description : What percent of the material in a DNA molecule contains the genetic code?

Last Answer : What is the answer ?

Where does the Replication of DNA molecule happens?

Description : Where does the Replication of DNA molecule happens?

Last Answer : Need answer

What is a section of DNA molecule that carries the genetic code for a particular trait?

Description : What is a section of DNA molecule that carries the genetic code for a particular trait?

Last Answer : Need answer

What are the smaller repeating molecules that make up a DNA or RNA molecule called?

Description : What are the smaller repeating molecules that make up a DNA or RNA molecule called?

Last Answer : Need answer

Every DNA molecule is made up of molecules called?

Description : Every DNA molecule is made up of molecules called?

Last Answer : dk

A Gene is (A) A single protein molecule (B) A group of chromosomes (C) An instruction for making a protein molecule (D) A bit of DNA molecule

Description : A Gene is (A) A single protein molecule (B) A group of chromosomes (C) An instruction for making a protein molecule (D) A bit of DNA molecule

Last Answer : Answer : D

The eukaryotic nuclear chromosomal DNA (A) Is a linear and unbranched molecule (B) Is not associated with a specific membranous organelle (C) Is not replicated semiconservatively (D) Is about of the same size as each prokaryotic chromoses

Description : The eukaryotic nuclear chromosomal DNA (A) Is a linear and unbranched molecule (B) Is not associated with a specific membranous organelle (C) Is not replicated semiconservatively (D) Is about of the same size as each prokaryotic chromoses

Last Answer : Answer : A

After termination of the synthesis of RNA molecule, the core enzymes separate from the DNA template. The core enzymes then recognize a promoter at which the synthesis of a new RNA molecule commences, with the assistance of (A) Rho (ρ) factor (B) δ factor (C) β factor (D) σ factor

Description : After termination of the synthesis of RNA molecule, the core enzymes separate from the DNA template. The core enzymes then recognize a promoter at which the synthesis of a new RNA molecule commences, with the assistance of (A) Rho (ρ) factor (B) δ factor (C) β factor (D) σ factor

Last Answer : Answer : D

IN a DNA molecule, the guanosine content is 40%, the adenine content will be (A) 10% (B) 20% (C) 30% (D) 40%

Description : IN a DNA molecule, the guanosine content is 40%, the adenine content will be (A) 10% (B) 20% (C) 30% (D) 40%

Last Answer : Answer : A

In a DNA molecule the thymine concentration is 30%, the guanosine concentration will be (A) 10% (B) 20% (C) 30% (D) 40%

Description : In a DNA molecule the thymine concentration is 30%, the guanosine concentration will be (A) 10% (B) 20% (C) 30% (D) 40%

Last Answer : Answer : B

The number of base pair in a single turn of B-form DNA about the axis of the molecule is (A) 4 (B) 8 (C) 10 (D) 12

Description : The number of base pair in a single turn of B-form DNA about the axis of the molecule is (A) 4 (B) 8 (C) 10 (D) 12

Last Answer : Answer : C

In DNA molecule (A) Guanine content does not equal cytosine content (B) Adenine content does not equal thymine content (C) Adenine content equals uracil content (D) Guanine content equals cytosine content

Description : In DNA molecule (A) Guanine content does not equal cytosine content (B) Adenine content does not equal thymine content (C) Adenine content equals uracil content (D) Guanine content equals cytosine content

Last Answer : Answer : D

Identify the correct molecule which controls the biosynthesis of proteins in living organisms. (A) DNA (B) RNA (C) Purines (D) Pyrimidines

Description : Identify the correct molecule which controls the biosynthesis of proteins in living organisms. (A) DNA (B) RNA (C) Purines (D) Pyrimidines

Last Answer : Answer : A