• The diagram below shows a sequence of DNA (a nucleic acid) that codes for an extremely short polypeptide (a protein). O O O O O Name the monomeric submit associated with this molecule and list its three major parts. (hint: Look at your chart from the previous page if you forgot!) Complete the diagram by inserting the correct complementary base for each nucleotide shown. Name the chemical bond that holds the two strands of DNA together. Hydrogen and covelunt bond Name the chemical bond that holds the sugar-phosphate backbone together. Covalent bond Name the three-dimensional shape of the DNA molecule. double helib O How many base-pairs are present in this segment of DNA? -А -T C G -G -T -C C A 106 start

• The diagram below shows a sequence of DNA (a nucleic acid) that codes for an extremely short polypeptide (a protein). O O O O O Name the monomeric submit associated with this molecule and list its three major parts. (hint: Look at your chart from the previous page if you forgot!) Complete the diagram by inserting the correct complementary base for each nucleotide shown. Name the chemical bond that holds the two strands of DNA together. Hydrogen and covelunt bond Name the chemical bond that holds the sugar-phosphate backbone together. Covalent bond Name the three-dimensional shape of the DNA molecule. double helib O How many base-pairs are present in this segment of DNA? -А -T C G -G -T -C C A 106 start

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter6: Dna Structure And Function

Section: Chapter Questions

Problem 1FIO

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Going from simple to complex, which of the following is theproper order for the structure of DNA?a. Nucleotide, double helix, DNA strand, chromosomeb. Nucleotide, chromosome, double helix, DNA strandc. Nucleotide, DNA strand, double helix, chromosomed. Chromosome, nucleotide, DNA strand, double helix
Which of the following statements about DNA is true? The two strands are held together by hydrogen bonds. In deoxyribose, the 2' C has an OH attached to it. Positive supercoils promote strand separation. Z DNA forms a right-handed helix. One strand is positively charged while the other is negatively charged.
Which statement most accurately describes the ‘backbone’ of DNA? Group of answer choices The DNA strand is wound up around histone groups which gives the backbone structure to the chromosome The sugar group from a nucleotide is connected to the next sugar group via a phosphate group The hydrogen bonds between nucleotides are quite strong and provide structure to DNA. Adenine and Thymine, and Guanine and Cytosine are linked together
Which of the following is true of DNA but not RNA? It can polymerize by adding monomers onto either the 5' or the 3' end. It forms intermolecular base pairs, forming stable double-stranded structures. Release of PPi from the monomer provides the energy for polymerization. It has secondary structure.
a.Write out the complementary strand to the following sequence. Begin with the 5' of the end of the complementary strand. 3 ' AGCAGTGACA5' b. Which of the following statements about DNA structure is correct? *The phosphodiester backbone of DNA is composed of covalent bonds between nudeotides * Two DNA strands in a double helix have their 5ends next to each other * Hydrogen bonds connect phosphate and hydroxyl groups on neighbouring nucleotides * The 5hydroxyl group on one nucleotide is linked to the 3 phosphate on its neighbor * In a double helix, purines pair with purines, and pyrimidines with pyrimidines C). Topoisomerases are enzymes that : * Create nucleosomes *Break phosphodiester bonds between DNA nucleotides * Synthesize a new strand of DNA from a single-stranded DNA template *Break hydrogen bonds between DNA nucleotides *Remove proteins from DNA
1. Nucleotides make up DNA. List the three parts of a nucleotide. The three parts of a nucleotide are Which part/s of the nucleotide make up the sugar-phosphate backbone (blue ribbon) of the double helix? Which part/s of the nucleotide make up the “steps” of the double helix. The following sequence is one strand of DNA. From what you know about DNA structure, what has to be the sequence of the opposite strand? 5’ – ATCCTAGGTACCATGAG – 3’ 2. Compare and contrast the structure of DNA and RNA.
One strand of a DNA molecule has the base sequence CCATTG. What is the base sequence for the complementary strand? How many hydrogen bonds are in this pair?
Based on your understanding of DNA structure thus far, design a synthetic nucleotide that can be integrated into a DNA molecule AND be functional. Take the following into consideration: DNA Nano measurements: width of the helix, spacing between nucleotides Use the functional groups that you’ve learned about Remember that hydrogen bonding stabilizes the DNA molecule
In the DNA structure, a purine molecule always binds with a pyrimidine molecule. How would you expect the structure to differ if Adenine forms base pairing with Guanine and Cytosine forms base pairing with Thymidine? Instead of A-T, G-C; can it be A-G, C-T? Justify your answer within five sentences
DNA and RNA are both nucleic acids, but their structures and functions differ. Which of the following options correctly describes the structures and functions of DNA and RNA? a RNA is made from DNA and is used in transcription, while DNA is used in translation. b DNA is a double helix that is used to make proteins, while RNA is single-stranded and used to make lipids. c In DNA, adenine, thymine, guanine, and cytosine join together and carry all of the genetic information. RNA is made from adenine, uracil, cytosine, and guanine and is used to make proteins. d DNA is a double helix that carries all of the genetic information of an organism, while RNA is single-stranded and carries only half of the genetic information.
A......of a DNA consists of a sugar, a phosphate, and a nitrogen containing base. A....... is a change in the base sequence of a DNA molecule Took x-ray images of DNA molecule Name 3 types of RNA and list their roles in making proteins
In the structure of DNA, the "double helix" is composed of ________________. Question 7 options: two (2) chromosomes that are twisted around each other two (2) strands of linked nucleotides that are twisted around each other four (4) strands of linked nucleotides that are bound by phosphate groups two (2) strands of linked nucleotides that fold back and forth like an accordion four (4) strands of linked nucleotides that are bound by sugar groups