Consider the following image - the dotted lines represent hydrogen bonds between nitrogenous bases: (T) Thymine (A) Adenine (A) Adenine .. (U) Uracil (C) Cytosine (G) Guanine- (C) Cytosine (G) Guanine Which of the following does this image likely represent? A section of an enzyme bound to a DNA strand A section of a double stranded DNA A section of RNA primer bound to a DNA strand Two sections of an RNA strands bound together

Consider the following image - the dotted lines represent hydrogen bonds between nitrogenous bases: (T) Thymine (A) Adenine (A) Adenine .. (U) Uracil (C) Cytosine (G) Guanine- (C) Cytosine (G) Guanine Which of the following does this image likely represent? A section of an enzyme bound to a DNA strand A section of a double stranded DNA A section of RNA primer bound to a DNA strand Two sections of an RNA strands bound together

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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When DNA is heated, it denatures; that is, the strands separate because hydrogen bonds are broken and some base-stacking and hydrophobic interactions are disrupted. The higher the temperature, the larger the number of hydrogen bonds that are broken. After reviewing DNA base pair structure, determine which of the following molecules will denature first as the temperature is raised. Explain your reasoning. a. 5′-GCATTTCGGCGCGTTA-3′ 3′-CGTAAAGCCGCGCAAT-5′ b. 5′-ATTGCGCTTATATGCT-3′ 3′-TAACGCGAATATACGA-5′
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?
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
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
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
Moira, a biochemistry major, wanted to explore the shapes a single-stranded DNA molecule can take. She sketched the two shapes below. Her professor was impressed with Moira’s imagination and artistic ability, but she informed Moira that only one of her sketches was feasible. In the sketches, the lines indicate complementary base pairing. (d) Would a new double-stranded molecule assume the shape similar to one in the drawing? (e) Why or why not?
Which of the molecules of RNA is the most likely to fold into a specific structure as a result of intramolecular (within itself) base-pairing? Explain. 5′-CCCUAAAAAAAAAAAAAAAAUUUUUUUUUUUUUUUUAGGG-3′ 5′-UGUGUGUGUGUGUGUGUGUGUGUGUGUGUGUGUGUGUGUG-3′ 5′-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA-3′ 5′-GGAAAAGGAGAUGGGCAAGGGGAAAAGGAGAUGGGCAAGG-3′
When comparing the structures of RNA and DNA , which of the following statement is True?A-Only RNA contains 3'-deoxyribise rings B-Both RNA and DNA contain 3'-deoxyribise rings C-Only DNA contains 3'- deoxyribise rings D-Neither RNA or DNA contain 3'-deoxyribise rings
Outline the principle of how you would synthesise a library of approximately 1000 10-residue oligonucleotides with the sequence “5’-AGTNNNNNAT-3’” where N corresponds to any of the 4 nucleotides.
In a DNA Double helix ,why doesn't an A or T form two hydrogen bonds(out of the three possible) with G or C? Explain in detail.
To create a DNA:RNA hybrid from a short stretch of DNA with the sequence 5'-GGCTAAGTATGCCTAGTAGC-3', design the corresponding RNA sequence. Indicate the sequence in a 5' to 3' manner. What type of helix (A, B or Z) will this double-stranded nucleic acid form?
Draw the DNA and RNA models in Figure 1 in the space provided. Use the legend below to represent the colored plastic chips with letters. Use lines to connect the letter representations of the plastic chips according to how they are attached to each other in Figure 1. These lines represent thechemical bonds between the different nucleic acid subunits. In the case of hydrogen bonds, specify the number of bonds such that one horizontal line corresponds to one hydrogen bond. Label the 5’ and 3’ ends of your polynucleotide strands. Br brown O orange B blue P pinkW white G green Y yellow R red Structure of Genetic Material DNA RNA