Chapter 04 Genetics of Cellular Function

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Chapter 04  Genetics of Cellular Function

 

 

Complete chapter Questions And Answers
 

Sample Questions

 

 

True / False Questions

  1. Naked DNA is called chromatin.

    FALSE

    Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: C12.04 Analyze the interrelationships among chromatin, chromosomes and chromatids. HAPS Topic: Module C12 Somatic cell division. Learning Outcome: 04.01b Explain how DNA and proteins are organized to form the chromosomes. Section: 04.01 Topic: Nucleic acids: DNA and RNA

  2. DNA is composed of double-ring nitrogenous bases, whereas RNA is composed of single-ring nitrogenous bases.

    FALSE

    Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: C04.04b Compare and contrast general molecular structure of carbohydrates, proteins, lipids and nucleic acids. HAPS Topic: Module C04 Organic compounds. Learning Outcome: 04.01a Describe the structure of DNA and relate it to its function. Section: 04.01 Topic: Nucleic acids: DNA and RNA

  3. A gene can be defined as an information-containing segment of RNA that codes for the production of a polypeptide.

    FALSE

    Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: S02.01 Define the terms chromosome, gene, allele, homologous, homozygous, heterozygous, genotype and phenotype. HAPS Topic: Module S02 Gene inheritance & expression.

Learning Outcome: 04.02a Give a working definition of the gene and explain why new discoveries in genetics have changed our concept of what a gene is. Section: 04.02 Topic: Genes and their action

4. Although all cells synthesize phospholipids, there are no genes for phospholipids.

TRUE

Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: C04.06 Demonstrate factors that affect enzyme activity, including denaturation, and interpret graphs showing the effects of various factors on the rate of enzyme- catalyzed reactions. HAPS Topic: Module C04 Organic compounds.

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Learning Outcome: 04.02g Explain how DNA indirectly regulates the synthesis of nonprotein molecules. Section: 04.02 Topic: Genes and their action

  1. DNA never migrates from the nucleus to the cytoplasm to participate directly in protein synthesis.

    TRUE

    Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: C10.02 Explain how and why RNA is synthesized. HAPS Topic: Module C10 Protein synthesis. Learning Outcome: 04.02c Define genetic code and describe how DNA codes for protein structure. Section: 04.02 Topic: Protein synthesis

  2. The enzyme RNA polymerase participates in translation.

    FALSE

    Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: C10.02 Explain how and why RNA is synthesized. HAPS Topic: Module C10 Protein synthesis. Learning Outcome: 04.02c Define genetic code and describe how DNA codes for protein structure. Section: 04.02 Topic: Protein synthesis

  3. There are three codons that do not code for any amino acid.

    TRUE

    Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: C10.03 Explain the roles of tRNA, mRNA, and rRNA in protein synthesis. HAPS Topic: Module C10 Protein synthesis. Learning Outcome: 04.02c Define genetic code and describe how DNA codes for protein structure. Section: 04.02 Topic: Protein synthesis

  4. All proteins made by the ribosomes are exported from a cell for use elsewhere in the body.

    FALSE

    Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: C10.03 Explain the roles of tRNA, mRNA, and rRNA in protein synthesis. HAPS Topic: Module C10 Protein synthesis. Learning Outcome: 04.02e Explain what happens to a protein after its amino acid sequence has been synthesized. Section: 04.02 Topic: Protein synthesis

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