What is the distance between two base pairs in DNA? -Biology

What is the distance between two base pairs in DNA? -Biology
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If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is 6.6 × 109 bp, then the length of the DNA is approximately (a) 2.0 meters (b) 2.5 meters (c) 2.2 meters (d) 2.7 meters.

Description : If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is 6.6 × 109 bp, then the length of the DNA is approximately (a) 2.0 meters (b) 2.5 meters (c) 2.2 meters (d) 2.7 meters.

Last Answer : (b) 2.5 meters

If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is 6.6 × 109 bp, then the length of the DNA is approximately (a) 2.0 meters (b) 2.5 meters (c) 2.2 meters (d) 2.7 meters.

Description : If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is 6.6 × 109 bp, then the length of the DNA is approximately (a) 2.0 meters (b) 2.5 meters (c) 2.2 meters (d) 2.7 meters.

Last Answer : (c) 2.2 meters

1.7 m double helical DNA will have base pairs

Description : 1.7 m double helical DNA will have base pairs

Last Answer : 1.7 m double helical DNA will have base pairs A. `3.4xx10^(9)` B. `5xx10^(9)` C. `1.7xx10^(9)` D. `1.7xx10^(5)`

$ "A" DNA contains eleven base pairs. ! "Z" DNA contains only nine base pairs.

Description : $ "A" DNA contains eleven base pairs. ! "Z" DNA contains only nine base pairs.

Last Answer : $ "A" DNA contains eleven base pairs. ! "Z" DNA contains only nine base pairs. A. If both As and R are ... , R is wrong D. If both As and R are wrong.

Ten base pairs are present in one turn of the helix in (A) A-DNA (B) B-DNA (C) C-DNA (D) Z-DNA

Description : Ten base pairs are present in one turn of the helix in (A) A-DNA (B) B-DNA (C) C-DNA (D) Z-DNA

Last Answer : Answer : B

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

The following are true about DNA synthesis: a. it requires DNA polymerase b. reverse transcriptase enzymes are involved c. moves in a 5'---> 3' direction d. the rate of error in DNA synthesis is 1 in 105 base pairs

Description : The following are true about DNA synthesis: a. it requires DNA polymerase b. reverse transcriptase enzymes are involved c. moves in a 5'---> 3' direction d. the rate of error in DNA synthesis is 1 in 105 base pairs

Last Answer : it requires DNA polymerase

If a DNA contains 1000 base pairs, what would be its length? a) 3400 Å b) 34000 Å c) 6800 d) 1000 Å

Description : If a DNA contains 1000 base pairs, what would be its length? a) 3400 Å b) 34000 Å c) 6800 d) 1000 Å

Last Answer : a) 3400 Å

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

is the predominant form of Fast Ethernet, and runs over two pairs of category 5 or above cable. a. 100 BASE-T b. 100 BASE-TX c. 100 BASE-T4 d. 100 BASE-T2

Description : is the predominant form of Fast Ethernet, and runs over two pairs of category 5 or above cable. a. 100 BASE-T b. 100 BASE-TX c. 100 BASE-T4 d. 100 BASE-T2

Last Answer : b. 100 BASE-TX

.......... is the predominant form of Fast Ethernet, and runs over two pairs of category 5 or above cable. A) 100 BASE-T B) 100 BASE-TX C) 100 BASE-T4

Description : .......... is the predominant form of Fast Ethernet, and runs over two pairs of category 5 or above cable. A) 100 BASE-T B) 100 BASE-TX C) 100 BASE-T4

Last Answer : B) 100 BASE-TX

s the predominant form of Fast Ethernet, and runs over two pairs of category 5 or above cable. A) 100 BASE-T B) 100 BASE-TX C) 100 BASE-T4 D) 100 BASE-T2

Description : s the predominant form of Fast Ethernet, and runs over two pairs of category 5 or above cable. A) 100 BASE-T B) 100 BASE-TX C) 100 BASE-T4 D) 100 BASE-T2

Last Answer : B) 100 BASE-TX

If the same base pairs are used to code for all organisms why is there so much variation among organisms?

Description : If the same base pairs are used to code for all organisms why is there so much variation among organisms?

Last Answer : Need answer

What difference in the base pairs do you see on the mRNA?

Description : What difference in the base pairs do you see on the mRNA?

Last Answer : uracil

The minimum effective size of an operator for lac repressor binding is (A) 5 base pairs (B) 10 base pairs (C) 15 base pairs (D) 17 base pairs

Description : The minimum effective size of an operator for lac repressor binding is (A) 5 base pairs (B) 10 base pairs (C) 15 base pairs (D) 17 base pairs

Last Answer : Answer : D

In tRNA molecule, the anticodon arm possesses (A) 5 Base pairs (B) 7 Base pairs (C) 8 Base pairs (D) 10 Base pairs

Description : In tRNA molecule, the anticodon arm possesses (A) 5 Base pairs (B) 7 Base pairs (C) 8 Base pairs (D) 10 Base pairs

Last Answer : Answer : A

The acceptor arm in the tRNA molecule has (A) 5 Base pairs (B) 7 Base pairs (C) 10 Base pairs (D) 20 Base pairs

Description : The acceptor arm in the tRNA molecule has (A) 5 Base pairs (B) 7 Base pairs (C) 10 Base pairs (D) 20 Base pairs

Last Answer : Answer : B

Transfer RNAs are classified on the basis of the number of base pairs in (A) Acceptor arm (B) Anticodon arm (C) D arm (D) Extra arm

Description : Transfer RNAs are classified on the basis of the number of base pairs in (A) Acceptor arm (B) Anticodon arm (C) D arm (D) Extra arm

Last Answer : Answer : D

What are the structures called that give an appearance as ‘beads-on-string’ in the chromosomes when viewed under electron microscope? (a) Genes (b) Nucleotides (c) Nucleosomes (d) Base pairs

Description : What are the structures called that give an appearance as ‘beads-on-string’ in the chromosomes when viewed under electron microscope? (a) Genes (b) Nucleotides (c) Nucleosomes (d) Base pairs

Last Answer : Nucleosomes

DNA rich in G-C pairs have (A) 1 Hydrogen bond (B) 2 Hydrogen bonds (C) 3 Hydrogen bonds (D) 4 Hydrogen bonds

Description : DNA rich in G-C pairs have (A) 1 Hydrogen bond (B) 2 Hydrogen bonds (C) 3 Hydrogen bonds (D) 4 Hydrogen bonds

Last Answer : Answer : C

DNA rich in A-T pairs have (A) 1 Hydrogen bond (B) 2 Hydrogen bonds (C) 3 Hydrogen bonds(D) 4 Hydrogen bonds

Description : DNA rich in A-T pairs have (A) 1 Hydrogen bond (B) 2 Hydrogen bonds (C) 3 Hydrogen bonds(D) 4 Hydrogen bonds

Last Answer : Answer : B

Which of the following pairs of organelles does not contain DNA? (a) Nuclear envelope and Mitochondria (b) Mitochondria and Lysosome (c) Chloroplast and Vacuoles (d) Lysosomes and Vacuoles

Description : Which of the following pairs of organelles does not contain DNA? (a) Nuclear envelope and Mitochondria (b) Mitochondria and Lysosome (c) Chloroplast and Vacuoles (d) Lysosomes and Vacuoles

Last Answer : (d) Lysosomes and Vacuoles

During DNA replication in prokaryotes, synthesis begins on the circular chromosome A.always at the same place B.at any stretch of DNA that is high in AT pairs C.randomly on the chromosome D.at the promoter

Description : During DNA replication in prokaryotes, synthesis begins on the circular chromosome A.always at the same place B.at any stretch of DNA that is high in AT pairs C.randomly on the chromosome D.at the promoter

Last Answer : A.always at the same place

Find the distance between the following pairs of points: (i) (2, 3), (4, 1) (ii) (-5, 7), (-1, 3) (iii) (a, b), (- a, – b) -Maths 10th

Description : Find the distance between the following pairs of points: (i) (2, 3), (4, 1) (ii) (-5, 7), (-1, 3) (iii) (a, b), (- a, – b) -Maths 10th

Last Answer : Distance between two points (x1 ,y1 ) and (x2 ,y2 ) is (x1 −x2 )2+(y1 −y2 )2 (i) Distance between(2,3) and (4,1) is =(2−4)2+(3−1)2 =(−2)2+(2)2 =4+4 =8 =22 (ii) Distance between (−5,7) and (−1,3) ... 42 (iii )Distance between (a,b) and(−a,−b) is =(a−(−a))2+(b−(−b))2 =(2a)2+(2b)2 =4a2+4b2 =2a2+b2

Which nitrogenous base is not found in DNA? -Biology

Description : Which nitrogenous base is not found in DNA? -Biology

Last Answer : answer:

What is the nitrogenous base in DNA? -Biology

Description : What is the nitrogenous base in DNA? -Biology

Last Answer : answer:

Nitrogenous base in DNA but not RNA? -Biology

Description : Nitrogenous base in DNA but not RNA? -Biology

Last Answer : answer:

What is a complementary base pair in DNA? -Biology

Description : What is a complementary base pair in DNA? -Biology

Last Answer : answer:

What are the base monomers of the DNA polymer called?

Description : What are the base monomers of the DNA polymer called?

Last Answer : Need answer

If the base sequence on a separated DNA strand is CGTAGG what will the base sequence on its complementary strand be?

Description : If the base sequence on a separated DNA strand is CGTAGG what will the base sequence on its complementary strand be?

Last Answer : What is the answer ?

What is a example of a complementary base pair in DNA?

Description : What is a example of a complementary base pair in DNA?

Last Answer : Need answer

In researching the structure of DNA Erwin Char gaff found the amount of adenine always equaled the amount of which other base?

Description : In researching the structure of DNA Erwin Char gaff found the amount of adenine always equaled the amount of which other base?

Last Answer : Thymine. Discovered in the late 1940s, this is known as "The Chargaff's Rules": DNA has equal numbers of adenine and thymine residues (A = T) and an equal number of guanine and cytosine (G = ... one of the most important features for Watson and Crick to solve the structure of DNA molecule in 1953.

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

Description : 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

Last Answer : Answer : C

Base sequence of DNA can be determined by (A) Maxam-Gilbert method (B) Sanger’s dideoxy method (C) Both (A) and (B) (D) None of these

Description : Base sequence of DNA can be determined by (A) Maxam-Gilbert method (B) Sanger’s dideoxy method (C) Both (A) and (B) (D) None of these

Last Answer : Answer : C

If the codon UAC on mRNA changes into UAG as a result of a base substitution in DNA, it will result in (A) Silent mutation (B) Acceptable mis-sense mutation (C) Nonsense mutation (D) Frameshift mutation

Description : If the codon UAC on mRNA changes into UAG as a result of a base substitution in DNA, it will result in (A) Silent mutation (B) Acceptable mis-sense mutation (C) Nonsense mutation (D) Frameshift mutation

Last Answer : Answer : C

Substitution of a thymine base by adenine in DNA is known as ((A) Transposition (B) Transition (C) Transversion (D) Frameshift mutation

Description : Substitution of a thymine base by adenine in DNA is known as ((A) Transposition (B) Transition (C) Transversion (D) Frameshift mutation

Last Answer : Answer : C

Substitution of an adenine base by guanine in DNA is known as (A) Transposition (B) Transition (C) Transversion (D) Frameshift mutation

Description : Substitution of an adenine base by guanine in DNA is known as (A) Transposition (B) Transition (C) Transversion (D) Frameshift mutation

Last Answer : Answer : B

In DNA, the complementary base of adenine is (A) Guanine (B) Cytosine (C) Uracil (D) Thymine

Description : In DNA, the complementary base of adenine is (A) Guanine (B) Cytosine (C) Uracil (D) Thymine

Last Answer : Answer : D

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

The fact that DNA bears the genetic information of an organism implies that (A) Base composition should be identical from species to species (B) DNA base composition should charge with age (C) DNA from different tissues in the same organism should usually have the same base composition (D) DNA base composition is altered with nutritional state of an organism

Description : The fact that DNA bears the genetic information of an organism implies that (A) Base composition should be identical from species to species (B) DNA base composition should charge with age (C) ... the same base composition (D) DNA base composition is altered with nutritional state of an organism

Last Answer : Answer : C

The nucleic acid base found in mRNA but not in DNA is (A) Adenine (B) Cytosine (C) Guanine (D) Uracil

Description : The nucleic acid base found in mRNA but not in DNA is (A) Adenine (B) Cytosine (C) Guanine (D) Uracil

Last Answer : Answer : D

Who discovered the base composition of DNA?

Description : Who discovered the base composition of DNA?

Last Answer : Ans. Chargaff (1953)

Polynucleotide chain of DNA contains (a) a nitrogenous base, deoxyribose sugar and phosphate group (b) a nitrogenous base, ribose sugar and phosphate group (c) deoxyribose sugar ribose sugar and phosphate group (d) a nitrogenous base and phosphate group only

Description : Polynucleotide chain of DNA contains (a) a nitrogenous base, deoxyribose sugar and phosphate group (b) a nitrogenous base, ribose sugar and phosphate group (c) deoxyribose sugar ribose sugar and phosphate group (d) a nitrogenous base and phosphate group only

Last Answer : Ans:(a)

The hydrophilic nature of DNA is due to the presence of – (1) thymine base (2) Biotic resources (3) phosphate group (4) deoxyribose sugar

Description : The hydrophilic nature of DNA is due to the presence of – (1) thymine base (2) Biotic resources (3) phosphate group (4) deoxyribose sugar

Last Answer : (2) Biotic resources Explanation: The phosphate groups on DNA are ionic and charged. Each phosphategroup on the DNA back-bone is one unit of negative charge (-1). Charged molecules ... DNA has two hydrophilic polar external backbones made of sugars and phosphate groups joined by ester bonds.

The hydrophilic nature of DNA is due to the presence of - (1) thymine base (2) a number of hydrogen bonds (3) phosphate group (4) deoxyribose sugar

Description : The hydrophilic nature of DNA is due to the presence of - (1) thymine base (2) a number of hydrogen bonds (3) phosphate group (4) deoxyribose sugar

Last Answer : (2) a number of hydrogen bonds Explanation: The phosphate groups on DNA are ionic and charged. Each phosphate group on the DNA back-bone is one unit of negative charge (-1). Charged ... . DNA has two hydrophilic polar external backbones made of sugars and phosphate groups joined by ester bonds.

The restriction enzymes are used in genetic engineering, because (a) they can cut DNA at specific base sequence (b) they are nucleases that cut DNA at variable sites (c) they can degrade harmful proteins (d) they can join different DNA fragments.

Description : The restriction enzymes are used in genetic engineering, because (a) they can cut DNA at specific base sequence (b) they are nucleases that cut DNA at variable sites (c) they can degrade harmful proteins (d) they can join different DNA fragments.

Last Answer : (a) they can cut DNA at specific base sequence

Which one of the following palindromic base sequences in DNA can be easily cut at about the middle by some particular restriction enzyme? (a) (b) (c) (d)

Description : Which one of the following palindromic base sequences in DNA can be easily cut at about the middle by some particular restriction enzyme? (a) (b) (c) (d)

Last Answer : (c)

.If the DNA codons are ATG ATG ATG and a cytosine base is inserted at the beginning, then which of the following will result? (a) CAT GAT GAT G (b) A non-sense mutation (c) C ATG ATG ATG (d) CA TGA TGA TG

Description : .If the DNA codons are ATG ATG ATG and a cytosine base is inserted at the beginning, then which of the following will result? (a) CAT GAT GAT G (b) A non-sense mutation (c) C ATG ATG ATG (d) CA TGA TGA TG

Last Answer : (a) CAT GAT GAT G

If one strand of DNA has the nitrogenous base sequence as ATCTG, what would be the complementary RNA strand sequence? (a) TTAGU (b) UAGAC (c) AACTG (d) ATCGU

Description : If one strand of DNA has the nitrogenous base sequence as ATCTG, what would be the complementary RNA strand sequence? (a) TTAGU (b) UAGAC (c) AACTG (d) ATCGU

Last Answer : (a) TTAGU

.If the DNA codons are ATG ATG ATG and a cytosine base is inserted at the beginning, then which of the following will result? (a) CAT GAT GAT G (b) A non-sense mutation (c) C ATG ATG ATG (d) CA TGA TGA TG

Description : .If the DNA codons are ATG ATG ATG and a cytosine base is inserted at the beginning, then which of the following will result? (a) CAT GAT GAT G (b) A non-sense mutation (c) C ATG ATG ATG (d) CA TGA TGA TG

Last Answer : (a) CAT GAT GAT G