Computer science 1. A short stretch of amino acid residues thatconnects consecutive strands of anantiparallel sheet is best termed a(n).A) B-barrelB) a-turnC) B-turnD) domainE) B-foldF) loop2. Different forms of DNA exist with respect tohandedness and hydration state. Which ischaracterized by a helix containing twosimilarly sized grooves?A) A-DNAB) B-DNAC) CDNAD) Z-DNAE) single-stranded DNA3. The total mass of a fibrous protein isdefined by the protein'sstructure.A) primaryB) secondaryC) tertiaryD) quaternaryE) supersecondary

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Answered: 1. A short stretch of amino acid…

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter9: Gene Expression And Gene Regulation

Section: Chapter Questions

Problem 14QP: How many kilobases of the DNA strand below will code for the protein product?

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Given the following DNA sequence: 5’-ATGCGGCCAAGGTCAGAGTGACA-3’ a) If this DNA strand represents the “Sense Strand” of DNA, what would be the RNA sequence? b) If this DNA strand represents the “Antisense Strand” of DNA, what would be the RNA Sequence? c) What would be the other strand of DNA?
Why do higher salt concentrations stabilize the DNA double helix? Or What aspect of the structure of double-stranded DNA destabilizes the helix in the absence of salt?
Based on Chargaff’s rules, if a segment of DNA is composed of 20% adenine (A) bases, what is the percentage of guanine (G)?
What part(s) of a nucleotide (namely, phosphate, sugar, and/or base) is/are found in the major and minor grooves of double-stranded DNA, and what part(s) is/are found in the DNA backbone? If a DNA-binding protein does not recognize a specific nucleotide sequence, do you expect that it binds tothe major groove, the minor groove, or the DNA backbone? Explain.
If the DNA sequence A-T-T-G-G-C-C-T-A on an informational strand mutated and became A-C-T-G-G-C-C-T-A, what effect would the mutation have on the sequence of the protein produced?
Which complementary base pair, G-C or A-T, would be hardest to break apart when a double-strandedDNA helix unwinds during cellular processes?
How many kilobases of the DNA strand below will code for the protein product?
What is the nucleotide sequence of the DNA strand that is complementary to 5'-GGCGCAACTGTCACAA-3'?
How many possible nucleotide sequences are there for a stretch of DNA that is N nucleotides long, if it is (a) single- stranded or (b) double-stranded?
How do we know that the structure of DNA is in the form of a right-handed double-helical molecule?
The double helical structure of DNA is intrinsically unstable and easily dissociates to form two separate strands. Why? How does this affect the two key biological functions of chromosomal DNA? What would happen if the DNA helices were too stable?
While studying the structure of a small gene that was recently sequenced duringthe Human Genome Project, an investigator notices that one strand of the DNAmolecule contains 20 As, 25 Gs, 30 Cs, and 22 Ts. How many of each base isfound in the complete double-stranded molecule?

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