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

What percent of the material in a DNA molecule contains the genetic code?
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Degeneracy of genetic code implies that (A) Codons do not code for specific amino acid (B) Multiple codons must decode the same amino acids (C) No anticodon on tRNA molecule (D) Specific codon decodes many amino acids

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Which one of the following statements about the nucleoid is NOT true? a. It contains a DNA chromosome. b. It represents a nonmembranous subcompartment. c. It represents an area devoid of ribosomes. d. It contains nonessential genetic information.

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Which of the following statements regarding mitochondria is incorrect? (a) Mitochondrial matrix contains single circular DNA molecule and ribosomes. (b) Outer membrane is permeable to monomers of carbohydrates, fats and proteins. (c) Enzymes of electron transport are embedded in outer membrane. (d) Inner membrane is convoluted with infoldings.

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What Portion of DNA which carries the genetic code for the formation of a particular protein by specifying its amino acids sequence?

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The genetic code operates via (A) The protein moiety of DNA (B) The base sequences of DNA (C) The nucleotide sequence of mRNA (D) The base sequence of tRNA

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The genetic code operates through (A) The protein moiety of DNA (B) Cistrom of DNA (C) Nucleotide sequence of m RNA (D) The anticodons of tRNA

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Genetic code is said to be degenerate because (A) It can undergo mutations (B) A large proportion of DNA is non-coding (C) One codon can code for more than one amino acids (D) More than one codons can code for the same amino acids

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Who proved that DNA is the basic genetic material? -General Knowledge

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The process of using information (genetic material) from DNA to construct m-RNA

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In human body, the cell growth and differentiation are highly controlled and regulated, but in cancer cells. (a) there is breakdown of these regulatory mechanism leading to formation of benign and malignant tumors (b) controlled cell division and over production of genetic material occur (c) RNA is mutated and produced in less amount (d) DNA is mutated and produced in less amount

Description : In human body, the cell growth and differentiation are highly controlled and regulated, but in cancer cells. (a) there is breakdown of these regulatory mechanism leading to formation of benign and malignant ... is mutated and produced in less amount (d) DNA is mutated and produced in less amount

Last Answer : Ans:(a)

Which of the following is true? (1) DNA is the genetic material in most of the organism (2) RNA is the genetic material in most viruses and bacteria (3) DNA is the genetic material in all the viruses (4) RNA is the genetic material in all the viruses

Description : Which of the following is true? (1) DNA is the genetic material in most of the organism (2) RNA is the genetic material in most viruses and bacteria (3) DNA is the genetic material in all the viruses (4) RNA is the genetic material in all the viruses

Last Answer : (1) DNA is the genetic material in most of the organism Explanation: Deoxyribonucleic acid (DNA) molecules are informational molecules encoding the genetic instructions used in the development and functioning of all ... letters. G, A, T, and C. DNA is well-suited for biological information storage.

How did scientists decide that DNA was the genetic material for all cellular organisms?

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Last Answer : The proof that the material basis for a gene is DNA came from the work of Oswald T.Avery (1877-1955), Colin M. MacLeod (1909-1972), and Maclyn McCarty (1911-) in a paper published ... exposed to DNase, an enzyme that destroys DNA, all transformation activity ceased. The transforming factor was DNA.

Human immuno deficiency virus (HIV) has a protein coat and a genetic material which is (a) double stranded RNA (b) double stranded DNA (c) single stranded DNA (d) single stranded RNA

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Last Answer : (d) single stranded RNA.

Similarity in DNA and RNA is that (a) both are polymer of nucleotides (b) both have similar pyrimidine (c) both have similar sugar (d) both are genetic material.

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Last Answer : (b) both have similar pyrimidine

Who proved that DNA is basic genetic material? (a) Griffith (b) Watson (c) Boveri and Sutton (d) Hershey and Chase

Description : Who proved that DNA is basic genetic material? (a) Griffith (b) Watson (c) Boveri and Sutton (d) Hershey and Chase

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The Pneumococcus experiment proves that (a) bacteria do not reproduce sexually (b) RNA sometime controls the production of DNA and proteins (c) DNA is the genetic material (d) bacteria undergo binary fission.

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Last Answer : (d) bacteria undergo binary fission.

The unequivocal proof of DNA as the genetic material came from the studies on a (a) bacterium (b) fungus (c) viroid (d) bacterial virus.

Description : The unequivocal proof of DNA as the genetic material came from the studies on a (a) bacterium (b) fungus (c) viroid (d) bacterial virus.

Last Answer : (c) viroid

Similarity in DNA and RNA is that (a) both are polymer of nucleotides (b) both have similar pyrimidine (c) both have similar sugar (d) both are genetic material.

Description : Similarity in DNA and RNA is that (a) both are polymer of nucleotides (b) both have similar pyrimidine (c) both have similar sugar (d) both are genetic material.

Last Answer : both are polymer of nucleotides

Who proved that DNA is basic genetic material? (a) Griffith (b) Watson (c) Boveri and Sutton (d) Hershey and Chase

Description : Who proved that DNA is basic genetic material? (a) Griffith (b) Watson (c) Boveri and Sutton (d) Hershey and Chase

Last Answer : (d) Hershey and Chase

In prokaryotes, the genetic material is (a) linear DNA without histones (b) circular DNA without histones (c) linear DNA with histones (d) circular DNA with histones.

Description : In prokaryotes, the genetic material is (a) linear DNA without histones (b) circular DNA without histones (c) linear DNA with histones (d) circular DNA with histones.

Last Answer : circular DNA without histones

What is the genetic material in influenza virus? (a) Double helical DNA (b) RNA (c) Single helix DNA (d) None of these

Description : What is the genetic material in influenza virus? (a) Double helical DNA (b) RNA (c) Single helix DNA (d) None of these

Last Answer : (b) RNA

Which of the following statements is not true for retroviruses? (a) DNA is not present at any stage in the life cycle of retroviruses. (b) Retroviruses carry gene(c) The genetic material in mature retroviruses is RNA. (d) Retroviruses are causative agents for certain kinds of cancer in man. for RNA-dependent DNA polymerase.

Description : Which of the following statements is not true for retroviruses? (a) DNA is not present at any stage in the life cycle of retroviruses. (b) Retroviruses carry gene for RNA-dependent DNA ... mature retroviruses is RNA. (d) Retroviruses are causative agents for certain kinds of cancer in man.

Last Answer : (a) DNA is not present at any stage in the life cycle of retroviruses

The flow of genetic material in microbial cells usually takes place from A- RNA through DNA to proteins B- proteins through RNA to DNA C- .DNA through RNA to proteins D- none of these

Description : The flow of genetic material in microbial cells usually takes place from A- RNA through DNA to proteins B- proteins through RNA to DNA C- .DNA through RNA to proteins D- none of these

Last Answer : .DNA through RNA to proteins

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.

Hershey and Chase experiment proving DNA as the genetic material was based on the principle a) Transduction b) transformation c) transcription d) translation

Description : Hershey and Chase experiment proving DNA as the genetic material was based on the principle a) Transduction b) transformation c) transcription d) translation

Last Answer : a) Transduction

26. DNA is a better genetic material than RNA because ... e) DNA is chemically less reactive. f) DNA is structurally more stable. g) DNA is non-catalytic and less easily degradable. h) All of the above.

Description : 26. DNA is a better genetic material than RNA because ... e) DNA is chemically less reactive. f) DNA is structurally more stable. g) DNA is non-catalytic and less easily degradable. h) All of the above.

Last Answer : h) All of the above.

6. DNA is a better genetic material than RNA because ... a) DNA is chemically less reactive. b) DNA is structurally more stable. c) DNA is non-catalytic and less easily degradable. d) All of the above.

Description : 6. DNA is a better genetic material than RNA because ... a) DNA is chemically less reactive. b) DNA is structurally more stable. c) DNA is non-catalytic and less easily degradable. d) All of the above.

Last Answer : d) All of the above.

The final proof for DNA as the genetic material came from the experiments of : (1) Hershey and Chase (2) Avery, Mcleod and McCarty (3) Hargobind Khorana (4) Griffith

Description : The final proof for DNA as the genetic material came from the experiments of : (1) Hershey and Chase (2) Avery, Mcleod and McCarty (3) Hargobind Khorana (4) Griffith

Last Answer : (1) Hershey and Chase

Which of the following is true ? (1) DNA is the genetic material in most of the organism (2) RNA is the genetic material in most viruses and bacteria (3) DNA is the genetic material in all the viruses (4) RNA is the genetic material in all the viruses

Description : Which of the following is true ? (1) DNA is the genetic material in most of the organism (2) RNA is the genetic material in most viruses and bacteria (3) DNA is the genetic material in all the viruses (4) RNA is the genetic material in all the viruses

Last Answer : DNA is the genetic material in most of the organism

Thermal nuclear reactors using enriched uranium as fuel contains a maximum of __________ percent fissile material i.e. U-235. (A) 1 (B) 2 (C) 3 (D) 7

Description : Thermal nuclear reactors using enriched uranium as fuel contains a maximum of __________ percent fissile material i.e. U-235. (A) 1 (B) 2 (C) 3 (D) 7

Last Answer : (C) 3

The molecule which encodes genetic information

Description : The molecule which encodes genetic information

Last Answer : Ans. DNA

In one molecule of sodium sulfate how many percent of it is sulfur?

Description : In one molecule of sodium sulfate how many percent of it is sulfur?

Last Answer : We refer to "molecules" of sodium sulfate as formula units. Theformula is Na2SO4. The molar mass is 142 g/mole. And sulfur (S) is32 out of the entire 142 g. So, percent sulfur is 32/142 (x100%) =22.5%

What infrmation does the percent composition of an atom in a molecule give?

Description : What infrmation does the percent composition of an atom in a molecule give?

Last Answer : What is the answer ?

In one molecule of sodium sulfate how many percent of it is sulfur?

Description : In one molecule of sodium sulfate how many percent of it is sulfur?

Last Answer : We refer to "molecules" of sodium sulfate as formula units. Theformula is Na2SO4. The molar mass is 142 g/mole. And sulfur (S) is32 out of the entire 142 g. So, percent sulfur is 32/142 (x100%) =22.5%

Bacillus subtilis makes a good "bacterial factory" in genetic engineering because _____. a. it normally retains the products it makes b. it is not a human pathogen c. contains endotoxins in it's cell wall d. traditionally ferments sugars

Description : Bacillus subtilis makes a good "bacterial factory" in genetic engineering because _____. a. it normally retains the products it makes b. it is not a human pathogen c. contains endotoxins in it's cell wall d. traditionally ferments sugars

Last Answer : b. it is not a human pathogen

Nondisjunction of a chromosome results in which of the following diagnoses? a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two copies of a particular chromosome (nondisjunction) Down syndrome results from three number 21 chromosomes. b) Huntingon Disease Huntington disease is one example of a germ-line mutation. c) Duchenne Muscular Dystrophy Duchenne muscular dystrophy, an inherited form of muscular dystrophy, is an example of a genetic caused by structural gene mutations. d) Marphan Syndrome Marphan Syndrome is a genetic condition that may occur in a single family member as a result of spontaneous mutation.

Description : Nondisjunction of a chromosome results in which of the following diagnoses? a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two ... genetic condition that may occur in a single family member as a result of spontaneous mutation.

Last Answer : a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two copies of a particular chromosome (nondisjunction) Down syndrome results from three number 21 chromosomes.

Oops! I sent my Cologard (for colon cancer testing) sample to Ancestry.com instead of my DNA sample. What results will I get about my genetic make-up?

Description : Oops! I sent my Cologard (for colon cancer testing) sample to Ancestry.com instead of my DNA sample. What results will I get about my genetic make-up?

Last Answer : They’ll find out what kind of an ass you really are. DNA is DNA – they should be able to extract it from your fecal matter.