Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Textbook Question
Chapter 8, Problem 1QP
Until 1944, which cellular component was thought to carry genetic information?
- a. carbohydrate
- b.
nucleic acid - c. protein
- d. chromatin
- e. lipid
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Chapter 8 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
Ch. 8.4 - Two genes associated with breast cancer, BRCA1 and...Ch. 8.4 - Prob. 2GRCh. 8 - What are Bruces options at this point? Bruce and...Ch. 8 - Should he reconsider and try chemotherapy instead?...Ch. 8 - Should he go ahead and enroll on the chance that...Ch. 8 - Until 1944, which cellular component was thought...Ch. 8 - Why do you think nucleic acids were originally not...Ch. 8 - Prob. 3QPCh. 8 - In the experiments of Aery, MacLeod, and McCarty,...Ch. 8 - Read the following experiment and interpret the...
Ch. 8 - Recently, scientists discovered that a rare...Ch. 8 - List the pyrimidine bases, the purine bases, and...Ch. 8 - In analyzing the base composition of a DNA sample,...Ch. 8 - The basic building blocks of nucleic acids are: a....Ch. 8 - Adenine is a: a. nucleoside b. purine c....Ch. 8 - Polynucleotide chains have a 5 and a 3 end. Which...Ch. 8 - DNA contains many hydrogen bonds. Are hydrogen...Ch. 8 - Prob. 13QPCh. 8 - State the properties of the WatsonCrick model of...Ch. 8 - Using Figures 8.7 and 8.9 as a guide, draw a...Ch. 8 - A beginning genetics student is attempting to...Ch. 8 - Chemical analysis shows that a nucleic acid sample...Ch. 8 - Prob. 18QPCh. 8 - RNA is ribonucleic acid, and DNA is...Ch. 8 - What is the function of DNA polymerase? a. It...Ch. 8 - Which of the following statements is not true...Ch. 8 - Make the complementary strand for the following...Ch. 8 - How does DNA replication occur in a precise manner...Ch. 8 - Nucleosomes are complexes of: a. RNA and DNA b....Ch. 8 - Discuss the levels of chromosomal organization...
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- Which of the following nucleic acids is a component of ribosomes? a.DNA b.Transfer RNA c.Ribosomal RNA d.Messenger RNAarrow_forwardWhich of the following nucleic acids is a component of ribosomes? A. Ribosomal RNA B. Transfer RNA C. Messenger RNA D. DNAarrow_forwardThe nucleotides from a bacterial cell were found to have the following abundances: 39% uracil; 41% adenine, 9% cytosine; 8% guanine. What type of molecule is the genome of the bacteria likely made of? a. Double stranded DNA b. Single stranded DNA c. Messenger RNA d. Double stranded RNAarrow_forward
- Chromatin is composed of: a. MRNA and ribosomes b. DNA and RNA c. rRNA and protein d. rRNA and tRNA е. DNA and proteinarrow_forwardWhat structure cannot be found in ALL cells? Explain why A. Mitochondria B. DNA C. Cell membrane D. Cytoplasm F. Ribosomesarrow_forwardWhich of the following is the function of transfer RNA? A. Carries the message that guides polypeptide assembly B. Stores genetic information C. Makes up the structure of ribosomes D. Delivers amino acids to ribosomesarrow_forward
- Which macromolecule is NOT digested by the lysosome? A. Proteins B. Nucleic acids C. Polysaccharides D. Phospholipids E. Nonearrow_forwardWhat might best explain why the incidence of cancer increases as people age? Select one: a. mutations accumulate as people age b. cell division increases as people age c. protein synthesis increases as people age d. telomerase activity increases as people age e. ATP production increases as people agearrow_forwardWhat process in protein synthesis that is NOT affected by a silent mutation? Select one: a. Synapsis b. Replication c. Translation d. Transcriptionarrow_forward
- A.) DNA encodes for the cell genome and is therefore a permanent copy to have a functioning cell. B.)Different changes to the structure of messenger RNA can cause mutations and genomic instability which could lead to abnormal cells in the body. a. Statement A is correct b. Statement B is correct c. Both A and B are correct d. Both A and B are incorrectarrow_forwardWhich of the following cell types will most likely reach cell senescence after many rounds of replication? A. Adult stem cells B. Cancer cells C. Normal adult somatic cells D. Embryonic stem cellsarrow_forwardWhich of the following statements best describes DNA and RNA? a. Both are found in chromosomes b. DNA is found in chromosomes, RNA is not. c. RNA is found in chromosomes, DNA is not. d. neither is found in chromosomesarrow_forward
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