## Activity 4: Understanding DNA Structure### Study the structure of DNA and answer the questions below.#### Diagram Explanation:The diagram illustrates the structure of DNA and includes:1. **Antiparallel DNA Strands**: - Shows two strands running in opposite directions. - Composed of nucleotides, each containing a sugar-phosphate backbone and nitrogenous bases connected by hydrogen bonds.2. **Key Components**: - **Adenine (A)**: Color-coded in orange. - **Thymine (T)**: Color-coded in pink. - **Guanine (G)**: Color-coded in green. - **Cytosine (C)**: Color-coded in purple. - **Hydrogen Bonds**: Indicated between paired bases.3. **DNA Ladder**: - Represents the arrangement of base pairs. - Shows specific pairing: A with T, and G with C.4. **Double Helix**: - Illustrates the twisted ladder-like structure of DNA.#### Questions:1. What are the common parts of the nucleotide? _______________________________________2. Name the different kinds of nitrogenous bases found in the DNA molecule. _______________________________________3. In DNA, what is the pairing arrangement of the bases? _______________________________________**Source**: Fig. 9 DNA Structure. Retrieved June 19, 2020, from [bioninja.com](https://ib.bioninja.com.au/standard-level/topic-2-molecular-biology/26-structure-of-dna-and-rna/dna-structure.html)

A nucleotide is made up of three parts: 1.phosphate group, 2. 5-carbon sugar, 3.Nitogenous base…

Answered: 1. What are the common parts of the…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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50 A The Backbone of the DNA molecule is made of which componere(s) of the nucleotide shown in the diagram? nucleotide B C AAB DBC CAC DB only E None of these
3. DNA is a double helix. The sequences of based on one side of the DNA molecule are complementary to the other side of the DNA molecule. If one side of the DNA strand was ATA GTA CTC TGA, what would the other side be?
2
1. What are chromosomes and where are they located? 2. How many chromosome do humans have? How are chromosomes inherited? 3. What are the components of a nucleotide? Name the four types of nucleotides. 4. What type of bonds holds the two DNA strands together? 5. What is complementary base pairing? 6. How does the DNA between individuals differ? 7. Define DNA replication 8. What is the function of the enzyme helicase in DNA replication? (unwinds and unzips DNA) 9. What is the function of the enzyme DNA polymerase in DNA replication? 10. DNA replication is semiconservative. Explain what this means. 11. Which method do scientist utilize to make extra copies (amplification) of DNA? 12. Describe the PCR technique. Why do scientist add primers, DNA polymerase and nucleotides during PCR method? Explain the purpose of each.
The following are the four bases found in DNA. Which base pair can form three hydrogen bonds? * NH2 NH2 CH3. N. NH 'N. NH N, NH2 O. adenine (A) guanine (G) cytosine (C) thymine (T) A-C O A-T G-C O G-T
7. Given what is known about DNA structure, which of the following general shapes might be found? (Horizontal lines represent bonding between complementary bases.) Explain!!!
19. Polynucleotides beginà end are: a) 5’ à 3’ b) 2’ à 5’ d) NH2 à CO2H
32. What is the difference between RNA and DNA? Group of answer choices DNA has uracil. Both share information. RNA has thymine. RNA does not store genetic information. Both have nucleotides.
5. Draw a DNA polymer with three nucleotides by including the following nitrogenous bases [in the following positions]: adenine [5' end], guanine [middle], and cytosine [3' end]. Draw only one strand. a. Indicate if each of the nitrogenous bases is a purine or pyrimidine. b. Number the carbons on the middle sugar. c. Label the phosphodiester bonds between the nucleotide in the middle and 3' end. d. Write the structure of the complementary sequence by indicating proper orientation.
13. The monomer of a nucleic acid? polymer of a nucleic acid? 14. What two main functions do nucleic acids have? а. b. 15. What are the three parts that make up a nucleotide? а. Draw a basic nucleotide. b. с. 16. What kind of bond holds the two strands of a DNA double helix together?

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1. What are the common parts of the nucleotide? 2. Name the different kinds of nitrogenous bases found in the DNA molecule. 3. In DNA what is the paring arrangement of the bases?