BIOLOGY: LIFE ON EARTH-W/MASTERING ACCE
2020th Edition
ISBN: 9780135686553
Author: Audesirk
Publisher: PEARSON
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Chapter 3, Problem 4FTB
A
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Chapter 3 Solutions
BIOLOGY: LIFE ON EARTH-W/MASTERING ACCE
Ch. 3 - 1. Polar molecules
a. dissolve in lipids.
b. are...Ch. 3 - Which match is correct? a. monosaccharide-sucrose...Ch. 3 - 3. Which of the following statements is...Ch. 3 - Which of the following is not composed of...Ch. 3 - Prob. 5MCCh. 3 - 1. In organic molecules made of chains of...Ch. 3 - Prob. 2FTBCh. 3 - Proteins are synthesized by a reaction called...Ch. 3 - 4. A nucleotide consists of three parts: ______...Ch. 3 - 5. Fill in the following with the appropriate type...
Ch. 3 - Prob. 1RQCh. 3 - List the four principal classes of biological...Ch. 3 - What roles do nucleotides play in living...Ch. 3 - Prob. 4RQCh. 3 - Prob. 5RQCh. 3 - Describe the synthesis of a protein from amino...Ch. 3 - Where in nature do we find cellulose? Where do we...Ch. 3 - Based on their structure, sketch and explain how...Ch. 3 - Prob. 2ACCh. 3 - In an alternate universe where people could digest...
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- A nucleotide is composed of which substances? sugar, base, and enzyme amino acids and fatty acids phosphate group, sugar, and base enzyme, sugar, and phosphate grouparrow_forwardWhich of the following is false regarding a DNA molecule? a-It contains a double helix structure b-It stores genetic information c-It contains the nitrogen base Uracil d-It contains base pairsarrow_forwardDNA and RNA are both nucleic acids, but their structures and functions differ. Which of the following options correctly describes the structures and functions of DNA and RNA? a RNA is made from DNA and is used in transcription, while DNA is used in translation. b DNA is a double helix that is used to make proteins, while RNA is single-stranded and used to make lipids. c In DNA, adenine, thymine, guanine, and cytosine join together and carry all of the genetic information. RNA is made from adenine, uracil, cytosine, and guanine and is used to make proteins. d DNA is a double helix that carries all of the genetic information of an organism, while RNA is single-stranded and carries only half of the genetic information.arrow_forward
- In a DNA nucleotide what is attached to the 2’ carbon? (a) phosphate group (b) nitrogenous base (c) OH group (d) H (e) methyl grouparrow_forwardWhich of the following pertains to an RNA nucleotide and not to a DNA nucleotide? Select one: A. Contains the sugar ribose B. Contains a nitrogen-containing base C. Contains a phosphate molecule D. Becomes bonded to other nucleotides following a dehydration reactionarrow_forwardWhich of the following is a DNA nucleotide? a phosphate group, guanine and deoxyribose a diphosphate group and uridine thymine and deoxyribose a phosphate group, adenine and ribosearrow_forward
- You have discovered a new molecule in outer space. You have never seen this type of molecule before on Earth. You analyze the composition and discover that it is made of 28% carbon atoms, 24% oxygen atoms, and 48% hydrogen atoms. You immediately decide that it is not an alien protein or an alien nucleotide. Explain why you know that the molecule cannot be a protein or a nucleotide. Do you think that the molecule is an alien fatty acid or an alien carbohydrate? Explain your decision Will your molecule be hydrophilic or hydrophobic? Explain your answer considering polarity and electronegativityarrow_forwardWhat types of bonds form between 5' and 3' carbons on the same strand of DNA/RNA? which answer choice? a. Hydrogen bond b. Phosphodiester bond c. Peptide bond d. Ionic bondarrow_forwardThe type of bonds between the nucleotide bases of the two strands of DNA are a.polar covalent bonds. b.nonpolar covalent bonds. c.hydrogen bonds. d.ionic bonds.arrow_forward
- Which of the following statements explains what nucleic acids are? Select one: A. Nucleic acids are chains of five-membered ring sugars, each bonded to a heterocyclic amine, linked by phosphate groups. B. They are acidic in nature. C. They are the carriers of genetic information. D. DNA and RNA are collectively known as nucleic acids. E. all of the abovearrow_forwardDNA is a polymer, which means it is made of repeating subunits called monomers. What are the monomers of DNA called?arrow_forwardDNA is composed of ___________, which are attached to each other by _______________ bonds. A) amino acids… hydrogen B) nucleotides…. phosphodiester C) monosaccharides… glycosidic D) amino acids… peptide E) nucleotides… hydrogenarrow_forward
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