Formation of nucleoside which is the joining of nitrogen base and a 5-carbon sugar. Condensation reaction between the phosphoric acid and the alcohol group on carbon number 5. The nucleotides are covalently linked through 5’ phosphate-group to the 3’- hydroxyl group of the next nucleotide creating a phosphodiester linkage. a. None of the choices b. II, I, III c. I, II, III d. II, III, I

Formation of nucleoside which is the joining of nitrogen base and a 5-carbon sugar. Condensation reaction between the phosphoric acid and the alcohol group on carbon number 5. The nucleotides are covalently linked through 5’ phosphate-group to the 3’- hydroxyl group of the next nucleotide creating a phosphodiester linkage. a. None of the choices b. II, I, III c. I, II, III d. II, III, I

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 15QP: Using Figures 8.7 and 8.9 as a guide, draw a dinucleotide composed of C and A. Next to this, draw...

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The following is diagram of a generalized tetranucleotide. Carbons exist at corners on the shapes and phosphate groups are filled circles. A. Is this a DNA or an RNA Molecule? B. Where is the 3’ end of this tetranucleotide? C. Given that the DNA strand which served as a template for the synthesis of this tetranucleotide was composed of the bases 5’-ACAG-3’, where are the expected bases?
Define the following terms: a. guanine nucleotide exchange factor (GEF) b. pretranslocation state c. posttranslocation state d. nascent polypeptide e. releasing factors
The following diagram of a generalized tetranucleotide will serve as a basis for the three questions marked “a” through “c.” (02) (a) Is this a DNA or an RNA molecule? State which _________ (b) Place an “X” (in one of the circles provided) at the 3' end of this tetranucleotide. (c) Given that the DNA strand, which served as a template for the synthesis of this tetranucleotide, was composed of the bases 5'- A C A G - 3', fill in the parentheses (in the diagram) with the expected bases
Indicate whether each of the following base-pairing situations (1) involves two DNA strands, (2) involves a DNA strand and an RNA strand, or (3) could involve either two DNA strands or a DNA strand and an RNA strand? a. A G T U C A b. A C T T G A c. A G U T C A d. C G C G C G a. A G T U C A b. A C T T G A c. A G U T C A d. C G C G C G
Label each statement about the polynucleotide ATGGCG as true or false. a. The polynucleotide has six nucleotides. b. The polynucleotide contains six phosphodiester linkages. c. The nucleotide at the 5 ' end contains the base guanine. d. The nucleotide at the 3 ' end contains the base guanine. e. The polynucleotide could be part of a DNA molecule. f. The polynucleotide could be part of an RNA molecule.
(a) What is meant by the term base pairing?(b) Which bases pair with which other bases?(c) How many hydrogen bonds does each base pair have?
Which of the following caps contains two methylated bases? a. 0 b. 1 c. 2 d. 3
For entertainment on a Friday night, a genetics professor proposed that his children diagram a polynucleotide strand of DNA. Having learned about DNA in preschool, his 5-year-old daughter was able to draw a polynucleotide strand, but she made a few mistakes. The daughter’s diagram (represented here) contained at least 10 mistakes. a. Make a list of all the mistakes in the structure of this DNA polynucleotide strand. b. Draw the correct structure for the polynucleotide strand.
A) What is the difference between a nucleoside and a nucleotide? B) Give any two differences between DNA and RNA. C) Draw the structure of deoxyribose and ribose below, and number the carbons. What is the difference between the two structures? Please answer all 3 parts
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
Which of the following statements is correct? A. The 3’-end of a DNA double helix implies that both strands of the DNA helix have a free 3’- hydroxyl group on that end. B. DNA can form double helix while RNA cannot form double helix. C. Both A and B. D. Neither A nor B. The role of serine at the active site of serine proteases is to act as a(n) ________ catalyst, while the histidine residue serves as a(n) ________ catalyst. A. weak; strong B. acid-base; covalent C. anionic; ionic D. covalent; acid-base E. strong; weak
This figure shows a single nucleotide addition. What would happen if three nucleotides were added?