In a cell the tangled long strands of DNA form the?

In a cell the tangled long strands of DNA form the?
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In a cell, the tangles of long strands of DNA form the
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What is long uncoiled strands of DNA in animal cell?

Description : What is long uncoiled strands of DNA in animal cell?

Last Answer : Need answer

Which of the following statement(s) is/are true concerning DNA? a. DNA is contained only in the nucleus of the cell b. DNA strands are encoded by the sequence of four bases—adenine, guanine, cytosine and uridine c. The basic unit of information of DNA is the intron, a sequence of three bases d. There are an infinite number of possible codons

Description : Which of the following statement(s) is/are true concerning DNA? a. DNA is contained only in the nucleus of the cell b. DNA strands are encoded by the sequence of four bases-adenine, guanine, cytosine ... DNA is the intron, a sequence of three bases d. There are an infinite number of possible codons

Last Answer : Answer: a The genetic blueprint of an organism is carried in the nucleus of every cell, encoded by the sequence of four bases-adenine, guanine, cytosine and thymine, which together make up ... codons. Sixty-one of these code for amino acids and three are termination signals called stop codons

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.

Vinca alkaloids exert antitumor activity by: A. Activating topoisomerase II to cause breaks in DNA strands B. Crosslinking DNA strands C. Inhibiting DNA mediated RNA synthesis D. Inhibiting polymerization of tubulin to form intracellular microtubules

Description : Vinca alkaloids exert antitumor activity by: A. Activating topoisomerase II to cause breaks in DNA strands B. Crosslinking DNA strands C. Inhibiting DNA mediated RNA synthesis D. Inhibiting polymerization of tubulin to form intracellular microtubules

Last Answer : D. Inhibiting polymerization of tubulin to form intracellular microtubules

$ The two strands of DNA run in an antiparallel directions DNA is formed of Deoxyribose sugar. Phosphorus and nitrogen bases called purines and pyrimi

Description : $ The two strands of DNA run in an antiparallel directions DNA is formed of Deoxyribose sugar. Phosphorus and nitrogen bases called purines and pyrimi

Last Answer : $ The two strands of DNA run in an antiparallel directions DNA is formed of Deoxyribose sugar. Phosphorus and ... wrong D. If both As and R are wrong.

In sticky ends produced by restriction endonucleases (A) The 2 strands of DNA are joined to each other (B) The DNA strands stick to the restriction endonuclease (C) The ends of a double stranded fragment are overlapping (D) The ends of a double stranded fragment are non overlapping

Description : In sticky ends produced by restriction endonucleases (A) The 2 strands of DNA are joined to each other (B) The DNA strands stick to the restriction endonuclease (C) The ends of a double stranded fragment are overlapping (D) The ends of a double stranded fragment are non overlapping

Last Answer : Answer : C

The unwound strands of DNA are held apart by (A) Single strand binding protein (B) Double strand binding protein (C) Rep protein (D) DNAA protein

Description : The unwound strands of DNA are held apart by (A) Single strand binding protein (B) Double strand binding protein (C) Rep protein (D) DNAA protein

Last Answer : Answer : A

The two strands of the DNA double helix are held together by (a) Hydrogen bonds (b)C=C double bonds (c) Hydrophobic bonds (d) Peptide bonds

Description : The two strands of the DNA double helix are held together by (a) Hydrogen bonds (b)C=C double bonds (c) Hydrophobic bonds (d) Peptide bonds

Last Answer : Ans:(a)

Give reason: The two strands of DNA molecule are complementary to each other but are not identical.

Description : Give reason: The two strands of DNA molecule are complementary to each other but are not identical.

Last Answer : The two strands of DNA are not identical because the nitrogenous bases are different in pairing. A purine base of one polynucleotide chain always pairs with a pyramidine base on the other. Adenine (A) pairs ... and Cytosine (C) pairs with Thymine (T). Hence the two strands of DNA are complementary.

The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification together with what it represents? A. B. C ds DNA 3 5 5 3 5 3 5 3 5 3 5 3 5 5 3 3 5 3 5 3 Region to be amplified . (a) B - denaturation at a temperature of about 98°C separating the two DNA strands (b) A - denaturation at a temperature of about 50°C (c) C - extension in the presence of heat stable DNA polymerase (d) A - annealing with two sets of primers

Description : The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification together with what it represents? A. B. C ds DNA 3 5 5 3 ... - extension in the presence of heat stable DNA polymerase (d) A - annealing with two sets of primers

Last Answer : (c) C - extension in the presence of heat stable DNA polymerase

Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it? 5′ _____ GAATTC _____ 3′ 3′ _____ CTTAAG _____ 5′ (a) Replication completed (b) Deletion mutation (c) Start codon at the 5′ end (d) Palindromic sequence of base pairs

Description : Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it? 5′ _____ GAATTC _____ 3′ 3′ _____ CTTAAG _____ 5′ (a) ... completed (b) Deletion mutation (c) Start codon at the 5′ end (d) Palindromic sequence of base pairs

Last Answer : (d) Palindromic sequence of base pairs

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.

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

During DNA replication, the strands separate by (a) DNA polymerase (b) topoisomerase (c) unwindase/helicase (d) gyrase.

Description : During DNA replication, the strands separate by (a) DNA polymerase (b) topoisomerase (c) unwindase/helicase (d) gyrase.

Last Answer : b) topoisomerase

Method of DNA replication in which two strands of DNA separate and synthesise new strands is called (a) dispersive (b) conservative (c) semi-conservative (d) non conservative

Description : Method of DNA replication in which two strands of DNA separate and synthesise new strands is called (a) dispersive (b) conservative (c) semi-conservative (d) non conservative

Last Answer : (a) dispersive

Escherichia coli fully labelled with 15N is allowed to grow in 14N medium. The two strands of DNA molecule of the first generation bacteria have (a) different density and do not resemble parent DNA (b) different density but resemble parent DNA (c) same density and resemble parent DNA (d) same density but do not resemble parent DNA.

Description : Escherichia coli fully labelled with 15N is allowed to grow in 14N medium. The two strands of DNA molecule of the first generation bacteria have (a) different density and do not resemble parent DNA ( ... DNA (c) same density and resemble parent DNA (d) same density but do not resemble parent DNA.

Last Answer : (c) same density and resemble parent DNA

Escherichia coli fully labelled with 15N is allowed to grow in 14N medium. The two strands of DNA molecule of the first generation bacteria have (a) different density and do not resemble parent DNA (b) different density but resemble parent DNA (c) same density and resemble parent DNA (d) same density but do not resemble parent DNA.

Description : Escherichia coli fully labelled with 15N is allowed to grow in 14N medium. The two strands of DNA molecule of the first generation bacteria have (a) different density and do not resemble parent DNA ( ... DNA (c) same density and resemble parent DNA (d) same density but do not resemble parent DNA.

Last Answer : (a) different density and do not resemble parent DNA

Antiparallel strands of a DNA molecule means that (a) one strand turns clockwise (b) one strand turns anti-clockwise (c) the phosphate groups of two DNA strands, at their ends, share the same position (d) the phosphate groups at the start of two DNA strands are in opposite position (pole).

Description : Antiparallel strands of a DNA molecule means that (a) one strand turns clockwise (b) one strand turns anti-clockwise (c) the phosphate groups of two DNA strands, at their ends, share the same position (d) the phosphate groups at the start of two DNA strands are in opposite position (pole).

Last Answer : (d) the phosphate groups at the start of two DNA strands are in opposite position (pole).

n the DNA molecule, (a) the proportion of adenine in relation to thymine varies with the organism (b) there are two strands which run anti- parallel-one in 5′ → 3′ direction and other in 3′ → 5′ (c) the total amount of purine nucleotides and pyrimidine nucleotides is not always equal (d) there are two strands which run parallel in the 5′ → 3′ direction.

Description : n the DNA molecule, (a) the proportion of adenine in relation to thymine varies with the organism (b) there are two strands which run anti- parallel-one in 5′ → 3′ direction and other in 3′ → ... is not always equal (d) there are two strands which run parallel in the 5′ → 3′ direction.

Last Answer : (b) there are two strands which run anti- parallel-one in 5′ → 3′ direction and other in 3′ → 5′

In double helix of DNA, the two DNA strands are (a) coiled around a common axis (b) coiled around each other(c) coiled differently (d) coiled over protein sheath.

Description : In double helix of DNA, the two DNA strands are (a) coiled around a common axis (b) coiled around each other (c) coiled differently (d) coiled over protein sheath.

Last Answer : (a) coiled around a common axis

The main difference between a self-transmissible and a mobilizableplasmidis that the selftransmissible plasmid A- transfers both strands of the plasmid DNA B- carries genes encoding the mating apparatus C- transfers antibiotic resistance genes D- usually has a transposon inserted into it

Description : The main difference between a self-transmissible and a mobilizableplasmidis that the selftransmissible plasmid A- transfers both strands of the plasmid DNA B- carries genes encoding the mating apparatus C- transfers antibiotic resistance genes D- usually has a transposon inserted into it

Last Answer : carries genes encoding the mating apparatus

Alkylating agents exert cytotoxic action by inducing: A. Breakage of DNA strand B. Cross linking of DNA strands C. Abnormal pairing of purine and pyrimidine bases D. All of the above

Description : Alkylating agents exert cytotoxic action by inducing: A. Breakage of DNA strand B. Cross linking of DNA strands C. Abnormal pairing of purine and pyrimidine bases D. All of the above

Last Answer : D. All of the above

During transcription, do both strands of DNA get transcribed into a double stranded RNA molecule?

Description : During transcription, do both strands of DNA get transcribed into a double stranded RNA molecule?

Last Answer : No. RNA is single stranded and is transcribed from only one of the DNA strands. DNA replication does make copies of both strands.

The structure of DNA is a double helix formed by two strands of DNA sequence. This sequence consists of 4 different nucleotides- Adenine, Thymine, Cytosine and Guanine. How do the nucleotides on one strand interact with the nucleotides on the second strand to maintain the helical shape of DNA?

Description : The structure of DNA is a double helix formed by two strands of DNA sequence. This sequence consists of 4 different nucleotides- Adenine, Thymine, Cytosine and Guanine. How do the nucleotides on one strand interact with the nucleotides on the second strand to maintain the helical shape of DNA?

Last Answer : Complementary Base Pairing. Adenine complementary base pairs with Thymine and Guanine complementary base pairs with Cytosine.

Are these two of the most tangled, twisted sentences you've ever heard?

Description : Are these two of the most tangled, twisted sentences you've ever heard?

Last Answer : Not even close. Read some Proust and reevaluate.

Why does my telephone cord always revert to a tangled mess?

Description : Why does my telephone cord always revert to a tangled mess?

Last Answer : You must not be replacing the handset just as you picked it up and have added a twist by the wrist.

how many planets are there in the galaxyWhat are all the Disney moviesWhy is there a movie of Rapunzel why is it called Tangled?

Description : how many planets are there in the galaxyWhat are all the Disney moviesWhy is there a movie of Rapunzel why is it called Tangled?

Last Answer : The movie Rapunzel is about a girl that lives in a castle with her parents but One Night in old witch took Rapunzel back to her Tower

What haircuts for fine and tangled hair recommended?

Description : Hello, I'm 15 I have a couple of years of tangled and very fine hair. I have to wash them every day, because the tips are quick to grease. So I wonder if to give a short or not. I've read a ... know any haircuts, send me. And I need another special shampoo for my hair. I can't find one. Thank you

Last Answer : Need Answer

What type of root is tangled mess and takes up a lot of space?

Description : What type of root is tangled mess and takes up a lot of space?

Last Answer : canal

What height is Rapunzel from Disney's Tangled?

Description : What height is Rapunzel from Disney's Tangled?

Last Answer : 6ft heigh or 5ft heigh

My Earthing cord is tangled with a bunch of computer, TV, and other cords. Is this a problem?

Description : My Earthing cord is tangled with a bunch of computer, TV, and other cords. Is this a problem?

Last Answer : There is no problem with the ground cord being near TV, telephone or computer cables.

Ladies, why do you put your loose strands of hair on the shower wall?

Description : Ladies, why do you put your loose strands of hair on the shower wall?

Last Answer : answer:The frustrating outweighs the rewarding when you try to remove those strands off of the wall. it is quite a task and women spend enough time in the bathroom as is. Perhaps it’s their way of saying “look honey… you aren’t the only one losing your hair.”

Optical fibres are made up of thin strands of (a) copper material (b) silver material (c) glass like material -Technology

Description : Optical fibres are made up of thin strands of (a) copper material (b) silver material (c) glass like material -Technology

Last Answer : (c) Optical fibres are made up of thin strands of glass like material.

$ The two strands of a chromosome are called sister chromatids ! The two sister chromatids get separated during Anaphase.

Description : $ The two strands of a chromosome are called sister chromatids ! The two sister chromatids get separated during Anaphase.

Last Answer : $ The two strands of a chromosome are called sister chromatids ! The two sister chromatids get separated during ... D. If both As and R are wrong.

What are coiled protein strands that have barbs tipped with poisin called?

Description : What are coiled protein strands that have barbs tipped with poisin called?

Last Answer : Need answer

Why are the two strands of the double helix described as being complementary?

Description : Why are the two strands of the double helix described as being complementary?

Last Answer : Complementarity is the key to understand the stability of the double helix of DNA in the Watson-Crick model (the most stable among other conformations). DNA complementarity property is determined by ... close to unity for deoxyribose nucleic acid." (In perfect agreement with the Chargaff's rules)

What is a molecole that consists of two complimentary strands connected by base pairs?

Description : What is a molecole that consists of two complimentary strands connected by base pairs?

Last Answer : Feel Free to Answer

What 3 cultural strands contributed to Mexico's culture?

Description : What 3 cultural strands contributed to Mexico's culture?

Last Answer : Need answer

Why are the two strands of the double helix described as being complementary?

Description : Why are the two strands of the double helix described as being complementary?

Last Answer : Complementarity is the key to understand the stability of the double helix of DNA in the Watson-Crick model (the most stable among other conformations). DNA complementarity property is determined by ... close to unity for deoxyribose nucleic acid." (In perfect agreement with the Chargaff's rules)

How many strands of wire are recommended for cattle fencing?

Description : How many strands of wire are recommended for cattle fencing?

Last Answer : It really depends on who you ask and what group or specialist is making the recommendation, the kind of wire, how many head of cattle in the pasture and what type of Fencing it is. The recommendations generally range from 3-6 strands of wiring in a cattle fence.

After formation of replication fork (A) Both the new strands are synthesized discontinuously (B) One strand is synthesized continuously and the other discontinuously (C) Both the new strands are synthesized continuously (D) RNA primer is required only for the synthesis of one new strand

Description : After formation of replication fork (A) Both the new strands are synthesized discontinuously (B) One strand is synthesized continuously and the other discontinuously (C) Both the new strands are synthesized continuously (D) RNA primer is required only for the synthesis of one new strand

Last Answer : Answer : B

Which of the following is/are true concerning wound fibroblasts? A. Fibroblasts synthesize and secrete collagen molecules. B. Wound fibroblasts are derived from blood-borne precursor cells. C. Fibroblasts migrate to a wound along fibrin strands, which are used as a scaffold. D. Large amounts of fibrin or blood clot can act as a physical barrier to fibroblast penetration, which delays normal wound healing.

Description : Which of the following is/are true concerning wound fibroblasts? A. Fibroblasts synthesize and secrete collagen molecules. B. Wound fibroblasts are derived from blood-borne precursor cells. C. ... clot can act as a physical barrier to fibroblast penetration, which delays normal wound healing.

Last Answer : Answer: ACD DISCUSSION: Fibroblasts appear in the wound on about the third day of healing and begin to synthesize and secrete collagen molecules. Wound fibroblasts arrive from cells surrounding ... enzymes, and large amounts of fibrin and blood clot prevent fibroblasts from entering the wound

Optical fibers are the fine strands of _____. A. Glass B. Iron C. Calcium D. Mercury

Description : Optical fibers are the fine strands of _____. A. Glass B. Iron C. Calcium D. Mercury

Last Answer : ANSWER: A

Optical Fiber Optical fibers are the fine strands of _____. A. Glass B. Iron C. Calcium D. Mercury

Description : Optical Fiber Optical fibers are the fine strands of _____. A. Glass B. Iron C. Calcium D. Mercury

Last Answer : ANSWER: A

Optical fibers are the fine strands of _____. A. Glass B. Iron C. Calcium D. Mercury

Description : Optical fibers are the fine strands of _____. A. Glass B. Iron C. Calcium D. Mercury

Last Answer : ANSWER: A

Large cable sizes are formed as individual conductors that may be comprised of several smaller strands to __________. A. obtain the flexibility required for easy handling B. reduce the overall weight of the wire run C. reduce the number of supports needed for a horizontal overhead run D. all of the above

Description : Large cable sizes are formed as individual conductors that may be comprised of several smaller strands to __________. A. obtain the flexibility required for easy handling B. reduce the overall weight of the ... . reduce the number of supports needed for a horizontal overhead run D. all of the above

Last Answer : Answer: A

In prestressing work, if more than one wire or strand is included in the same duct, why should all wires/strands be stressed at the same time?

Description : In prestressing work, if more than one wire or strand is included in the same duct, why should all wires/strands be stressed at the same time?

Last Answer : If wires/strands are stressed individually inside the same duct, then those stressed strand/wires will bear against those unstressed ones and trap them. Therefore, the friction of the trapped wires is high and is undesirable.

The ‘sheath’ is used in cable to (A) provide strength to the cable. (B) provide proper insulation. (C) prevent the moisture from entering the cable. (D) avoid chances of rust on strands.

Description : The ‘sheath’ is used in cable to (A) provide strength to the cable. (B) provide proper insulation. (C) prevent the moisture from entering the cable. (D) avoid chances of rust on strands.

Last Answer : Ans: A The sheath in underground cable is provided to give mechanical strength.

RNA is composed of strands of nucleotides that are read as a 3 nucleotide codon. These are distinguished by tRNAs that match the codons on one end and carry individual building blocks of a protein chain. What are these building blocks of protein that tRNAs bind?

Description : RNA is composed of strands of nucleotides that are read as a 3 nucleotide codon. These are distinguished by tRNAs that match the codons on one end and carry individual building blocks of a protein chain. What are these building blocks of protein that tRNAs bind?

Last Answer : Amino Acids

The actual mechanical advantage of a block and tackle is 5. The ideal mechanical advantage is 6. How many strands support the mass to be lifted?

Description : The actual mechanical advantage of a block and tackle is 5. The ideal mechanical advantage is 6. How many strands support the mass to be lifted?

Last Answer : ANSWER: 6