Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 2, Problem 30RQ
In DNA,
- beta chain
- pleated sheet
- alpha helix
- double helix
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Hydrogen bonds are important in DNA replication and transcription. They are relatively weak chemical bonds. Why is this a desirable feature for DNA?
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In one paragraph, using your own words, describe the structure of DNA. Be sure to include the following terms: nucleotide, phosphate, adenine, cytosine, guanine, and thymine.
Chapter 2 Solutions
Anatomy & Physiology
Ch. 2 - Visit this website...Ch. 2 - Visit this website...Ch. 2 - Watch this video...Ch. 2 - Together, just four elements make up more than 95...Ch. 2 - The smallest unit of an element that still retains...Ch. 2 - The characteristic that gives an element its...Ch. 2 - On the periodic table of the elements, mercury...Ch. 2 - Nitrogen has an atomic number of seven. How many...Ch. 2 - Which of the following is a molecule, but not a...Ch. 2 - A molecule of ammonia contains one atom of...
Ch. 2 - When an atom donates an electron to another atom,...Ch. 2 - A substance formed of crystals of equal numbers of...Ch. 2 - Which of the following statements about chemical...Ch. 2 - The energy stored in a foot of snow on a steep...Ch. 2 - The bonding of calcium, phosphorus, and other...Ch. 2 - ABA+B is a general notation for a(n) ________...Ch. 2 - __________ reactions release energy. Catabolic...Ch. 2 - Which of the following combinations of atoms is...Ch. 2 - Chewing a bite of bread mixes it with saliva and...Ch. 2 - CH4 is methane. This compound is ________....Ch. 2 - Which of the following is most likely to be found...Ch. 2 - Jenny mixes up a batch of pancake batter, then...Ch. 2 - A substance dissociates into K+ and Cl- in...Ch. 2 - Ty is three years old and as a result of a stomach...Ch. 2 - C6H12O6 is the chemical formula for a ________....Ch. 2 - What organic compound do brain cells primarily...Ch. 2 - Which of the following is a functional group that...Ch. 2 - A pentose sugar is a part of the monomer used to...Ch. 2 - A phospholipid ________. has both polar and...Ch. 2 - In DNA, nucleotide bonding forms a compound with a...Ch. 2 - Uracil ________. contains nitrogen is a pyrimidine...Ch. 2 - The ability of an enzymes active sites to bind...Ch. 2 - The most abundant elements In the foods and...Ch. 2 - Oxygen, whose atomic number is eight, has three...Ch. 2 - Magnesium is an important element in the human...Ch. 2 - Explain why CH4 is one of the most common...Ch. 2 - In a hurry one day, you merely rinse your lunch...Ch. 2 - Could two atoms of oxygen engage in ionic bonding?...Ch. 2 - AB+CDAD+BE Is this a legitimate example of an...Ch. 2 - When you do a load of laundry, why do you not just...Ch. 2 - The pH of lemon juice is 2, and the pH of orange...Ch. 2 - During a party, Eli loses a bet and is forced to...Ch. 2 - If the disaccharide maltose is formed from two...Ch. 2 - Once dietary fats are digested and absorbed, why...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Chemical analysis shows that a nucleic acid sample contains A, U, C, and G. Is this DNA or RNA? Why?arrow_forwardDNA contains many hydrogen bonds. Are hydrogen bonds stronger or weaker than covalent bonds? What are the consequences of this difference in strength?arrow_forwardPlace an asterisks (*) next to the 3' carbon atoms in the polynucleotide shown. -O CH₂ HOHDH Guanine -O-CH₂ H H H Thymine =P-O-CH₂ H OH Answer Bank H H Cytosinearrow_forward
- Fill in the space _____________ repeats are structural motifs found in many proteins, and they consist of a hairpin loop followed by a helix-turn-helix.arrow_forwardIndicate which base is (or bases are) the complementarypaired base(s) for each of the following:Adenine ___Cytosine ___Guanine ___Uracil ___Thymine ___arrow_forwardName the nucleotide.arrow_forward
- If the forces—hydrogen bonds and stacking forces— holding a helix together are weak, why is it difficult to disrupt a double helix?arrow_forwardGiven the structures of the ribonucleotides and deoxyribonucleotides: Adenine Uracil Thymine HN Adenine NH HO-P-0- CH2 HO-P-0 CH2 HO-P-0-CH2 HO-P-0-CH он он он он OH H OH H Cytosine Cytosine Guanine Guanine NH2 NH NH2 CH2 HOo CH2 HO-P-0 -CH2 он он он он OH H OH H • Draw the structure of the polyribonucleotide UAGCCUG. Draw the structure of the polydeoxyribonucleotide CGTAGAT.arrow_forwardTwo nucleotides are linked together in a sequence of DNA via a phosphoanhydride linkage. True Or Falsearrow_forward
- I-D-E-L-Y-S-Q-V-C-S-H-L-D-T-V-R This amino acid sequence forms an alpha helix. When thinking about how the helix folds into its tertiary strucutre, use entropy and enthalpy to explain what would happen energetically.arrow_forwardThe structure of DNA is aarrow_forwardthe linear sequence of amino acids in a polypeptide chain is referred to as a proteins _________ structure primary secondary tertiary quaternaryarrow_forward
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