A circular double-stranded DNA molecule contains 4200 base pairs. In solution, the molecule is in a B-form helix, with about 10.5 base pairs per turn. The DNA circle has 12 superhelical turns. What is its superhelix density σ ?

A circular double-stranded DNA molecule contains 4200 base pairs. In solution, the molecule is in a B-form helix, with about 10.5 base pairs per turn. The DNA circle has 12 superhelical turns. What is its superhelix density σ ?

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter8: The Structure, Replication, And Chromosomal Organization Of Dna

Section: Chapter Questions

Problem 14QP: State the properties of the WatsonCrick model of DNA in the following categories: a. number of...

See similar textbooks

Related questions

Q: The Bacteria Escherichia coli DNA genome has a molecular mass of about 3.1 X 10° D. In your answers,…

A: The molecular mass of Escherichia coli DNA genome is 3.1 × 109 Daltons. The average molecular weight…

Q: The Bacteria Escherichia coli DNA genome has a molecular mass of about 3.1 X 10 9 D. In your…

A: Hi! As you have posted multiple questions, I will be answering the first and third question for you.…

Q: why can we not describe the “average” behavior of a DNA molecule? Why is it improbable that proteins…

A: DNA is the molecular name for the molecule in all living things that conveys genetic instructions.…

Q: The base composition of one of the DNA chains of a DNA double helix contains 18 mol-%A, 35 mol-%T,…

A: Most organisms contain DNA or deoxyribonucleic acid as their genetic material. It is a type of…

Q: If the sequence of one strand of a DNA molecule is 5’-AGCCCCGACTCTATTC-3’, what is the sequence of…

A: DNA : Deoxyribonucleic acid is a double stranded molecule in which two strands are anti parallel and…

Q: Which of the following equations are true for double-stranded DNA? a) (%G+%T) =(%A+%C) b) (%G+%A)…

A: DNA stands for deoxyribonucleic acid. It is a genetic material that passes from one generation to…

Q: Determine the characteristics of this piece of double-stranded DNA. GTCTTTTACTTGAAT…

A: DNA is the double helical structure that contains the information that help in inheritance. The…

Q: Which of the following are possible base compositions for double stranded DNA? O A=30% G=20% C=20%…

A: DNA is composed of nucleotides which are composed of nitrogenous bases, a pentose sugar, and…

Q: Match the following terms with their correct definition. The structure of double-standed DNA Hold…

A: Answer. The monomeric units of nucleic acids are called nucleotides. Nucleic acids, therefore, are…

Q: What is the axial ratio (length:diameter) of a DNA molecule 20 μm long?

A: Deoxyribonucleic acid is a molecule composed of two polynucleotide chains that coil around each…

Q: Which of the following relations will be true for the percentage of bases in double-stranded DNA? a.…

A: The deoxyribonucleic acid is the genetic material that is passed from one generation to another…

Q: The composition (in molefraction units) of one of the strands of a double-helical DNA molecule is…

A: Nucleic acids are an important type of biomolecules for all types of biological systems. They help…

Q: Which of the following is the monomeric unit of DNA. A. Nucleotides B. Deoxyribose C. Nitrogenous…

A: DNA and RNA are nucleic acids present in the organisms. DNA is the deoxy ribose nucleic acid whereas…

Q: A-DNA has a helix diameter of 25.5 Angstrom, a pitch per turn of 25.3 Angstrom, and a rise per base…

A: The A-DNA, B-DNA, and Z-DNA are the commonly occurring structural conformations of DNA. The most…

Q: What are the four nitrogenous bases and which bases pair with one another in a double-stranded…

A: DNA is a double helical structure that contains genes. Genes are the functional unit of heredity in…

Q: A) Draw the structure and give the name of a nucleotide made of G + ribose. B) Write the…

A: Ribonucleic acid (RNA) is a polymer of ribonucleotides that participate in diverse biological roles…

Q: The amount of G plus C in an organism’s DNA is 64% of the total base content of that DNA. What are…

A: DNA (deoxyribonucleic acid) is that the genetic material present in archaea, eubacteria,…

Q: An analysis of the genetic material of an unknown sample showed that it contains 1996 adenine bases,…

A: Friedrich Miescher discovered nucleic acids from the nuclei of pus cells and coined the term…

Q: The Bacteria Escherichia coli DNA genome has a molecular mass of about 3.1 X 10° D. In your answers,…

A: Given data: The molecular mass of the genome of Escherichia coli = 3.1 x 109 Da. The average…

Q: If the G+C content of a sample of DNA is 46%, what are the proportions of all four nucleotides?

A: Nucleotides are molecules that consist of phosphate and nucleoside. These serve as monomeric units…

Q: How will each of the following substances or conditions affect DNA structure? a. ethanol; b. heat;…

A: Deoxyribonucleic acid or DNA is a molecule composed of two polynucleotide chains that coil around…

Q: If DNA concentration is 2 grams, what would be the molar concentration of human DNA in a human cell?

A: Introduction: DNA, or deoxyribonucleic acid, is the genetic substance found in humans and virtually…

Q: Of the following DNA sequences which would you expect to have the highest melting temperature in its…

A: Melting temperature is defined as the temperature at which a double-stranded DNA molecule will break…

Q: If A represents 40% of the nucleotides in a particular piece of double stranded DNA, how often will…

A: As per Chargaff's rule, Amount of adenine = amount of thymine Amount of guanine = amount of cytosine

Q: A DNA sample contains 21% adenine. What is its completepercentage base composition?

A: DNA is the deoxyribonucleic acid which is a double-stranded helical structure found in the nucleus…

Q: If a double stranded DNA HAS 20 PERCENT OF CYTOSINE, calculate the percent of adenine of adenine in…

A: According to Chargaff's rule, A = T and G = C, as adenine (A) binds with thymine (T) and guanine (G)…

Q: Which of the following equations is a prediction based on Chargaff’s rules for the content of DNA?…

A: Chargaff's rule says that DNA should have 1:1 ratio of pyrimidines and purine bases. According to…

Q: For a closed-circular DNA molecule of 6,825 base pairs in the fully relaxed form, the linking number…

A: In simple words, the linking number represents the number of times a curve winds around another. The…

Q: For double-stranded DNA, which of the following statements is true? a) A = C b) A = G and C = T c) A…

A: For double stranded DNA, According to Chargaff's rules state that DNA from any species of any…

Q: Which of the following base pairs is/are not possible in B-DNA?

A: DNA is present in several different forms, such as A, B, and Z forms. Out of these, the B form is…

Q: 1. Phosphate 2. Ribose sugar 3. Deoxyribose sugar 4. Uracil 5. Thymine 6. Adenine 7. Guanine 8.…

A: Adenine is the nucelotide which join to the deoxyribose sugar and binds to the thymine nucleotide

Q: A DNA sample contains 21% adenine. What is the complete percentage base composition?

A: Given Values: dsDNA has A = 21%

Q: The backbone of the DNA molecule is made up of two alternating componebts, what are these? Explain.

A: DNA is considered to be the genetic material within the nucleus that gets packed in thread-like…

Q: In Watson and Crick's model of DNA structure, the two strands of the DNA double helix are joined…

A: The Watson Crick model of DNA 1953 is a double stranded, helical molecules.

Q: A duplex DNA molecule contains a random sequence of the four nucleotides with equal proportions of…

A: DNA (deoxyribonucleic acid) is a double-stranded molecule and base pairing between two strands is…

Q: If you were to analyze the number of different bases within a sample of DNA, which of the following…

A: In a DNA molecule, there are four types of bases defined by the acronym ACGT, which stands for…

Q: (You can answer part (a) and part (c) together if it is more convenient to do so). DRAW condensed…

A: Biochemistry is a branch of science that deals with the study of chemical processes related to the…

Q: Which of the following DNA strands below is expected to have the highest melting temperature?

A: DNA is the genetic material in living beings. It can be seen both in prokaryotes and eukaryotes. The…

Q: A strand of nucleic acid is defined by its sequence of nucleotides: A, C, T, and G. How many…

A: Nucleic acids are large biomolecules or biopolymers which is vital for each known form of life. The…

Q: Using the concept of complementary base pairing, write the complementary DNA strands, with their 5'…

A: The DNA molecule generally has two strands that wind around one another to form a shape is generally…

Q: If the length of E.coli DNA is 1.36 mm, calculate the number of base pairs it contains

A: Introduction: DNA (deoxyribonucleic acid) is the molecule that transmits genetic information for an…

Q: Convert each of the following 3′-to-5′ DNA base sequences to 5′-to-3′ DNA base sequences. a. 3′…

A: Introduction DNA is a directional molecule because each of its building block (nucleotides) have 5'…

Q: What are the features that make the structure of the DNA stable? Explain why the DNA is the genetic…

A: The 3Dimentional double-helical structure of DNA molecule was given by James Watson and Francis…

Q: The base content of a particular DNA molecule is 36% Thymine. What is the percentage of each of the…

A: DNA is the deoxyribonucleic acid, which consists of various biological information that is present…

Q: A double-stranded DNA molecule (B-DNA) is 100,000 base pairs long. How many complete turns are there…

A: The DNA double helix biopolymer of nucleic acid is held together by nucleotides which base pair…

Q: If a double stranded DNA molecule is 20% thymine, what are the percentages of all other bases? 1.…

Q: What is the best description of how the two strands are aligned with each other in the double helix…

A: Introduction :- Humans and nearly all other species carry their genetic information in DNA, also…

Question

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biochemistry and related others by exploring similar questions and additional content below.

Similar questions

How many kilobases of the DNA strand below will code for the protein product?
State the properties of the WatsonCrick model of DNA in the following categories: a. number of polynucleotide chains b. polarity (running in same direction or opposite directions) c. bases on interior or exterior of molecule d. sugar/phosphate on interior or exterior of molecule e. which bases pair with which f. right- or left-handed helix
A double-stranded DNA molecule is 1 cm long, and the percentage of adenine is 15%. How many cytosines does this DNA molecule contain?
The base composition for one of the strands of a DNA double helix is 19% A, 34% C, 28% G, and 19% T. What is the percent base composition for the other strand of the DNA double helix?
If a double-stranded DNA molecule is 22% G, what is the percentage of A, T, and C? Explain.
if the guanine content of certain segment of double-stranded DNA is 22% what is the adenine content?
If a double stranded DNA molecule is 20% thymine, what are the percentages of all other bases? 1. Adenine 2. Guanine 3. Cytosine
Which of the following relations will be true for the percentage of bases in double-stranded DNA? a. C + T = A + G b. CA = TG
If a double stranded DNA HAS 20 PERCENT OF CYTOSINE, calculate the percent of adenine of adenine in the DNA?
A duplex DNA molecule contains a random sequence of the four nucleotides with equal proportions of each. What is the average spacing between consecutive occurrences of the sequence 5'-ATGC-3'? Between consecutive occurrences of the sequence 5'-TACGGC-3'?
The base composition of one of the DNA chains of a DNA double helix contains 18 mol-%A, 35 mol-%T, 26 mol-%C, and 21 mol-%G (a) What is the base composition of the complementary DNA chain? (b) Is the total amount of purine bases equal to the total amount of pyrimidine bases for the DNA double helix?
Type the matching bases in each DNA sequence. G A T A G C T A G G