Although RNA polymerase is a processive enzyme that remains attached to the DNA over longstretches of template, it must be boundenough so that it can move from nucleotide tonucleotide along the template.O Tightly.O Rarely.Regularly.Loosely.

RNA polymerase is an enzyme that assists in the transcription process by copying a DNA sequence into…

Although RNA polymerase is a processive enzyme that remains attached to the DNA over long stretches of template, it must be bound nucleotide along the template. enough so that it can move from nucleotide to

Although RNA polymerase is a processive enzyme that remains attached to the DNA over long stretches of template, it must be bound nucleotide along the template. enough so that it can move from nucleotide to

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter8: Dna Structure And Function

Section: Chapter Questions

Problem 9SA: Energy that drives the attachment of a nucleotide to the end of a growing strand of DNA comes from...

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Question

Although RNA polymerase is a processive enzyme that remains attached to the DNA over long
stretches of template, it must be bound
enough so that it can move from nucleotide to
nucleotide along the template.
O Tightly.
O Rarely.
Regularly.
Loosely.

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An error in copying the DNA nucleotides during synthesis is called a _________________________. Most of these mistakes are found and removed when DNA polymerase _________________________ (does what?) to the newly formed strand. During the process called _________________ _____________, a collection of enzymes remove the error and replace it with the correct nucleotide sequence. This correction process reduces the error rate to only one error for every one billion nucleotides!
What determines the sequence of nucleotides in the template strand of DNA? (The answer can be very basic don’t need lots of details)
A single (+) strand of DNA (base composition: A, 21%; G, 29%; C, 29%; T, 21%) isreplicated by DNA polymerase to yield a complementary (−) strand. The resultingduplex DNA is then used a template by RNA polymerase, which transcribes the (−)strand. Indicate the base composition of the RNA formed.
Select the options that describe the correct pairings of the nitrogen bases in the DNA molecule. SELECT ALL THAT APPLY Select all that apply: A = T T = G C = A G = C A = G C = T
If one DNA strand has the nucleotide sequence below, what is the nucleotide sequence on its complementary strand? 5’ACCGATTACGATTACG3’ If the template DNA strand has the nucleotide sequence below, what is the nucleotide sequence on mRNA? 5’ACCGATTACGATTACG3’ In the chart below, indicate the unique structural or functional characteristics of DNA and RNA, as well as their similarities. Be very specific. Unique DNA characteristics Similar characteristics Unique RNA characteristics
The following sequence of nucleotides is found in a single-stranded DNA template:ATTGCCAGATCATCCCAATAGATAssume that RNA polymerase proceeds along this template from left to right a. Which end of the DNA template is 5′ and which end is 3′?b. Give the sequence and identify the 5′ and 3′ ends of the RNA transcribed from this template
The template strand of a gene includes this sequence. It is mutated at the 5th nucleotide from the 3' position. Draw the double stranded mutated DNA, the resulting mRNA, and the amino acid sequence.
DNA size (in bp) at which Tss is equal to Tm is a) 10000 bp b) 100 bp c) 500 bp d) 1000 bp e) none of the above
The sequence of the DNA template strand is 3’– GACTTCC – 5’ What is the sequence of the DNA informational strand?
Which of the following is/are required for RNA synthesis? (select all that apply) Divalent cations (e.g. Mg2+) DNA polymerase to synthesize DNA primers RNA polymerase to synthesize RNA primers dNTPs
When DNA is heated sufficiently, the strands separate. The energy that it takes to separate the DNA is related to the amount of guanine and cytosine bases. Why is this so? (A) Adenine and thymine make 3 hydrogen bonds between each other, and guanine and cytosine don't make any hydrogen bonds. (B) Guanine and cytosine make 3 hydrogen bonds between each other, and adenine and thymine don't make any hydrogen bonds. (C) It takes more energy to break an A-T bond than it does a G-C bond. (D) It takes more energy to break a G-C bond than it does an A-T bond.
DNA can be unwound from the double stranded double helix into single strands, amplified, separated on gels by size, stained with dyes. It can be mutated by a variety of means. It can be sequenced. Describe one or more of the ways that scientists are able to manipulate DNA and relate this to the structure of the DNA.