Which of the following statements about the DNA double helix is FALSE?O The base pairs are located in the center of the helixO The plane of the base pairs is perpendicular to the direction of the deoxyribose-phosphate backboneO The two strands have the same 5' to 3' direction (i.e, are parallel)O The base pairs stack on one anotherO The deoxyribose-phosphate backbone is on the outside of the helix

DNA is a double helical structure with two strands connected with a hydrogen bond. The most common…

Answered: Which of the following statements about…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Why is it unfavorable for RNA molecules to adopt a double-helix structure similar to B-DNA? Because it is entropically unfavorable Because that would cause a steric clash between the sugars and nucleobases Because that would cause a steric clash between the 2' OHs of the sugars and the phosphates Because uracil can't form hydrogen bonds with any other nucleobases
DNA STRAND IS 3’ TAC-AGC-ACT-CAG-TCA 5’, whats the non-template/sense/coding strand from the STARND DNA? also what's the arrangement of m-RNA and the chain arrangement of the amino acids that will be made according to the order of the RNA?PLS DONT ANSWER THE DEFINITION ONLY, READ THE QUESTION CAREFULLY
The following sequence of DNA is part of the normal, wild-type gene. 5'TAC CGG GAC TTG AGC CGA TAG 3' A deletion occurs during DNA replication, causing the guanine shown in red to be removed from the nucleotide strand. What effect is this most likely to have on the final protein? Multiple Choice The deletion of the G will cause a single amino acid substitution in the codon in which it occurs. The deletion of the G will cause a frameshift, so that the first amino acid after the mutation will change but the rest of the protein is unaffected. The deletion of the G will cause a frameshift, resulting in a premature stop codon and a truncated protein. The deletion of the G will cause a frameshift, resulting in the loss of the normal stop codon and an abnormally long protein with an altered amino acid sequence. The deletion of the G will not have an effect on the final protein.
Which of the following sequences is the best description of the complementary DNA sequence to the following sequence: 5'-CGATTAGC-3' Group of answer choices 5'-GCTAATCG-3' 5'-GCUAAUCG-3' 3'-CGATTAGC-5' 3'-GCUAAUCG-5' 3'-GCTAATCG-5'
If all you know about a single stranded nucleic acid is that it has 30% Uracil, then which of the fållowing is TRUE: O it will form a right handed helix O you won't know the ratios of the other 3 bases O it is definitely an mRNA sequence O none of the answers are correct O you will only find this nucleic acid type within the nucleus
Demonstrate your understanding of DNA structure by circling the specific segment on the DNA double helix where the molecular structure of this illustration is located. 3' 5' 5' Nitrogenous bases: Adenine Thymine Guanine Cytosine Base pair Sugar- phosphate backbone 5' C Hydrogen bonds H₂N Thymine Sugar-phosphate backbone NH HO Guanine Adenine H₂N Bases 3' OH Cytosine Sugar-phosphate backbone
One strand of DNA has the base sequence 5'-CATG-3' Draw this stretch of DNA, showing BOTH strands, using a simplified model of a nucleotide as shown: Label the sugar-phosphate backbone, the 5' and 3' ends of each strand, and the regions of hydrogen bonding.
The DNA helix is stabilized by I. hydrogen bonds between primary amine groups and keto groups II. stacking interactions III. favorable interaction between hydrophobic groups and hydrophilic groups IV. covalent bonds in the phosphodiester bonds III, IV II, IV I, II, IV I, II, III, IV
Which of the following does NOT describe DNA as it occurs in Eukaryotic cells. CHOOSE ALL THAT APPLY: 1. nitrogenous bases of opposite strands are paired through covalent bonds 2. base pairs are stacked 3.4 A (0.34 nm) apart 3. the two strands of one double helix are complementary 4. two long polynucleotide chains 5. there are 20 base pairs per each turn of a double helix 6. adenine pairs with thymine of the neighboring nucleotide in a single DNA strand 7. bases face outside of the double helix 8. consecutive nucleotides of a single DNA strand are linked by hydrogen bonds 9. here are A-T and G-C pairs in DNA double helix 10. sugar-phosphate backbone of a single DNA strand is formed by linking deoxyribose units and phosphate groups through phosphodiester bonds 11. the two strands of one helix are antiparallel 12.double helix 13. the larger major groove alternates with the smaller minor groove along the length of the double stranded DNA I tried 2,3,4,9,10,11,12,13 together and got it…
Match the statement with the phase of the cell cycle it describes. The nucleus divides O G1 G2 O mitosis O cytokinesis
How are deoxyribonucleoside triphosphates (precursors of daughter DNA strands) and ribonucleoside triphosphates (precursors of RNA strand) differ from each other?
When comparing the structures of RNA and DNA, which of the following statements is TRUE? OA Only RNA has a ß N-glycosidie linkage to a base OB. Neither RNA or DNA has an ß N-glycosidic linkage to a base c. Only DNA has aB N-glycos.dic linkage to a base OD Both RNA and DNA have aß N-glycosidic lınkage to a base

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