What DNA is made up of many smaller molecules called .?

What DNA is made up of many smaller molecules called .?
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What are the smaller repeating molecules that make up a DNA or RNA molecule called?

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Every DNA molecule is made up of molecules called?

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

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The statement that is NOT correct is (a) The breaking of complex and big molecules into simpler and smaller molecules by micro-organisms is called fermentation. (b) ****** contains high percentage of methanol. (c) Root **** does not contain alcohol. (d) Alcoholic fermentation involves the conversion of sugars into alcohol by the use of micro-organisms.

Description : The statement that is NOT correct is (a) The breaking of complex and big molecules into simpler and smaller molecules by micro-organisms is called fermentation. (b) Whisky contains high ... d) Alcoholic fermentation involves the conversion of sugars into alcohol by the use of micro-organisms.

Last Answer : Ans:(b)

Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller than sulphur.

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What is a long molecule formed from numerous smaller molecules?

Description : What is a long molecule formed from numerous smaller molecules?

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In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is (A) Terylene (B) Polybutadiene (C) PVC (D) Polypropylene

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Only two of the following Statements accurately describe what happens in the mouth. 1. 2. 3. 4. Amylase breaks down large starch molecules into smaller maltose molecules. Chewing increases the surface area of food for digestion. Saliva emulsifies fats into smaller droplets. Teeth breakup large insoluble molecules into smaller soluble molecules which statements are correct? (a) 1 and 2 (b) 2 and 3 (c) 3 and 4 (d) 1 and 4

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What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis ? (a) The smaller the fragment size, the farther it moves. (b) Positively charged fragments move to farther end. (c) Negatively charged fragments do not move. (d) The larger the fragment size, the farther it moves.

Description : What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis ? (a) The smaller the fragment size, the farther it moves. (b) Positively charged fragments move to farther end. ... charged fragments do not move. (d) The larger the fragment size, the farther it moves.

Last Answer : (a) The smaller the fragment size, the farther it moves

What is the name of the macro molecules that make up DNA?

Description : What is the name of the macro molecules that make up DNA?

Last Answer : Nucleic acids.

Circular molecules of extrachromosomal DNA are also called -Biology

Description : Circular molecules of extrachromosomal DNA are also called -Biology

Last Answer : answer:

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

Labelled-D contains :- (i) A few RNA molecules (ii) 70s ribosome (iii) Enzymes (iv) Circular DNA

Description : Labelled-D contains :- (i) A few RNA molecules (ii) 70s ribosome (iii) Enzymes (iv) Circular DNA

Last Answer : Labelled-D contains :- (i) A few RNA molecules (ii) 70s ribosome (iii) Enzymes (iv) Circular DNA A. ii, iv B. ... iv, C. ii, iii, iv D. i, ii, iii, iv

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.

DNA molecules are composed of deoxyribonucleotides of (a) Adenine and guanine (b) Adenine, guanine and cytosine (c) Adenine, guanine, cytosine and thymine (d) None of the above

Description : DNA molecules are composed of deoxyribonucleotides of (a) Adenine and guanine (b) Adenine, guanine and cytosine (c) Adenine, guanine, cytosine and thymine (d) None of the above

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Do all molecules of DNA have the same amounts of nitrogenous bases?

Description : Do all molecules of DNA have the same amounts of nitrogenous bases?

Last Answer : The number and sequence of nitrogenous bases in the DNA molecule are key elements in variations that are found in chromosomes. Different organisms have different numbers of the four bases, and the sequence ... and thymine will always be the same, as will the percentage of cytosine and guanine. 

Restriction endonucleases (a) are present in mammalian cells for degradation of DNA when the cell dies (b) are used in genetic engineering for ligating two DNA molecules (c) are used for in vitro DNA synthesis (d) are synthesized by bacteria as part of their defense mechanism.

Description : Restriction endonucleases (a) are present in mammalian cells for degradation of DNA when the cell dies (b) are used in genetic engineering for ligating two DNA molecules (c) are used for in vitro DNA synthesis (d) are synthesized by bacteria as part of their defense mechanism.

Last Answer : (d) are synthesized by bacteria as part of their defense mechanism.

Gel electrophoresis is used for (a) construction of recombinant DNA by joining with cloning vectors (b) isolation of DNA molecules (c) cutting of DNA into fragments (d) separation of DNA fragments according to their size.

Description : Gel electrophoresis is used for (a) construction of recombinant DNA by joining with cloning vectors (b) isolation of DNA molecules (c) cutting of DNA into fragments (d) separation of DNA fragments according to their size.

Last Answer : (d) separation of DNA fragments according to their size.

Choose the correct pair from the following. (a) Ligases - Join the two DNA molecules (b) Polymerases - Break the DNA into fragments (c) Nucleases - Separate the two strands of DNA (d) Exonucleases - Make cuts at specific positions within DNA

Description : Choose the correct pair from the following. (a) Ligases - Join the two DNA molecules (b) Polymerases - Break the DNA into fragments (c) Nucleases - Separate the two strands of DNA (d) Exonucleases - Make cuts at specific positions within DNA

Last Answer : (a) Ligases - Join the two DNA molecules

With regard to DNA molecules: a. they contain adenine, cytosine, guanine and uracil bases b. they can be detected with Western blotting c. they can be detected with Southern blotting d. they are denatured at temperature of 1000C

Description : With regard to DNA molecules: a. they contain adenine, cytosine, guanine and uracil bases b. they can be detected with Western blotting c. they can be detected with Southern blotting d. they are denatured at temperature of 1000C

Last Answer : they can be detected with Southern blotting

Regarding interferon: a. it is a virus specific molecules b. it acts by neutralizing exotoxin c. it enhances the histocompatibility antigen on cell surface and thereby activate the T cells d. it exerts its effect by integrating itself with the DNA of virus infected cells

Description : Regarding interferon: a. it is a virus specific molecules b. it acts by neutralizing exotoxin c. it enhances the histocompatibility antigen on cell surface and thereby activate the T cells d. it exerts its effect by integrating itself with the DNA of virus infected cells

Last Answer : it enhances the histocompatibility antigen on cell surface and thereby activate the T cells

Viruses are no more “alive” than isolated chromosomes because (a) they require both RNA and DNA (b) they both need food molecules (c) they both require oxygen for respiration (d) both require the environment of a cell to replicate.

Description : Viruses are no more “alive” than isolated chromosomes because (a) they require both RNA and DNA (b) they both need food molecules (c) they both require oxygen for respiration (d) both require the environment of a cell to replicate.

Last Answer : (d) both require the environment of a cell to replicate.

.Viroids differ from viruses in having (a) DNA molecules without protein coat (b) RNA molecules with protein coat (c) RNA molecules without protein coat (d) DNA molecules with protein coat

Description : .Viroids differ from viruses in having (a) DNA molecules without protein coat (b) RNA molecules with protein coat (c) RNA molecules without protein coat (d) DNA molecules with protein coat

Last Answer : (c) RNA molecules without protein coat

What are enzymes? (a) saccharides that catalyze chemical reactions (b) unsaturated fats that catalyze chemical reactions (c) DNA molecules that catalyze chemical reactions (d) proteins that catalyze chemical reactions

Description : What are enzymes? (a) saccharides that catalyze chemical reactions (b) unsaturated fats that catalyze chemical reactions (c) DNA molecules that catalyze chemical reactions (d) proteins that catalyze chemical reactions

Last Answer : proteins that catalyze chemical reactions

Without restriction endonucleases, it would be very difficult to a. Force Plasmids into Bacteria. b. Chemically Open Dna Molecules. c. Replicate Dna In A Recombinant Cell. d. Bring About Mutations In Bacteria.

Description : Without restriction endonucleases, it would be very difficult to a. Force Plasmids into Bacteria. b. Chemically Open Dna Molecules. c. Replicate Dna In A Recombinant Cell. d. Bring About Mutations In Bacteria.

Last Answer : b. Chemically Open Dna Molecules.

are single-stranded DNA molecules that can recognize and bind to a distinctive nucLeotide sequence of a pathogen. a. Prophages b. Plasmids c. Cloning vectors d. DNA probes

Description : are single-stranded DNA molecules that can recognize and bind to a distinctive nucLeotide sequence of a pathogen. a. Prophages b. Plasmids c. Cloning vectors d. DNA probes

Last Answer : d. DNA probes

In the semiconservative method of replication a. Both parent strands are degraded. b. One parent strand is conserved in each of the the new dna. c. Both parent strands reform with one another. d. Okazaki fragments form both of the new molecules of DNA.

Description : In the semiconservative method of replication a. Both parent strands are degraded. b. One parent strand is conserved in each of the the new dna. c. Both parent strands reform with one another. d. Okazaki fragments form both of the new molecules of DNA.

Last Answer : b. One parent strand is conserved in each of the the new dna.

Stem and loop structures are A- proteins that help partially denatured enzymes to recover their native configuration B- structures in DNA caused by inverted repeats C- structures at the ends of linear eukaryotic DNA molecules D- the bonds between adjacent DNA nucleotides in the same strand

Description : Stem and loop structures are A- proteins that help partially denatured enzymes to recover their native configuration B- structures in DNA caused by inverted repeats C- structures at the ends of linear eukaryotic DNA molecules D- the bonds between adjacent DNA nucleotides in the same strand

Last Answer : structures in DNA caused by inverted repeats

Which of the following statement describes plasmids? A- Another name for a protoplast B- A complex membrane structure that covers the chromosome of bacteria Small, circular DNA molecules that can exist independently of chromosomes commonly C- found in bacteria D- None of the above

Description : Which of the following statement describes plasmids? A- Another name for a protoplast B- A complex membrane structure that covers the chromosome of bacteria Small, circular DNA molecules that can exist independently of chromosomes commonly C- found in bacteria D- None of the above

Last Answer : found in bacteria

The double helix is a structural arrangement associated with _____. a. A Polysaccharide. b. The DNA Molecule. c. Glucose Molecules In Starch. d. A Protein.

Description : The double helix is a structural arrangement associated with _____. a. A Polysaccharide. b. The DNA Molecule. c. Glucose Molecules In Starch. d. A Protein.

Last Answer : b. The DNA Molecule.

Think carefully, now. How many DNA molecules are in each of your somatic cells?

Description : Think carefully, now. How many DNA molecules are in each of your somatic cells?

Last Answer : •In preparation for cell division, DNA is replicated and the chromosomes condense •Each duplicated chromosome has two sister chromatids, which separate during cell division, but a single DNA MOLECULE

In agarose gel electrophoresis, DNA molecules are separated on the basis of their-

Description : 6) In agarose gel electrophoresis, DNA molecules are separated on the basis of their- a)charge only b)size only c)charge to size ratio d)all of the above

Last Answer : d)all of the above

Which of the following is not required in the preparation of a recombinant DNA molecules?

Description : Q4. Which of the following is not required in the preparation of a recombinant DNA molecules? a. Restriction endonuclease b. Restriction mapping c. Centrifugation d. PCR.

Last Answer : 4. (b) restriction mapping

Which of the following molecules forms lengths of DNA with ‘sticky ends’?

Description : 12 Which of the following molecules forms lengths of DNA with ‘sticky ends’? a) DNA ligase b) DNA polymerase c) RNA polymerase d) Restriction enzyme

Last Answer : ANS: d Restriction enzyme

Viroids differ from viruses in having; (1) DNA molecules without protein coat (2) RNA molecules with protein coat (3) RNA molecules without protein coat (4) DNA molecules with protein coat

Description : Viroids differ from viruses in having; (1) DNA molecules without protein coat (2) RNA molecules with protein coat (3) RNA molecules without protein coat (4) DNA molecules with protein coat

Last Answer : (3) RNA molecules without protein coat

Electrophoresis is mainly used for: (a) Differentiate the biological sample (b) To perform the human specific presumptive tests (c) DNA isolation from biological material (d) Separates the molecules

Description : Electrophoresis is mainly used for: (a) Differentiate the biological sample (b) To perform the human specific presumptive tests (c) DNA isolation from biological material (d) Separates the molecules

Last Answer : Ans: (d). Separate the molecules