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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DNA is a large molecule and is wrapped around proteins called:
a. Histones
O b. Ligase
c. Polymerase
O d. Chromatin
The 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 RNA
Which of these is not found in the nucleus?
Select one:
A. Nucleolus that produces rRNA
B. Chromatin that condenses to chromosomes
C. Functioning ribosomes
D. Nucleoplasm instead of cytoplasm
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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- Chromatin is composed of: a. MRNA and ribosomes b. DNA and RNA c. rRNA and protein d. rRNA and tRNA е. DNA and proteinarrow_forwardWhich 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_forward
- Which 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_forwardWhich of the following processes is a part of protein synthesis and is NOT affected by a silent mutation? a. synapsis b. Transcription c. Translation d. Replicationarrow_forwardA protein is synthesized on a ribosome within the rough endoplasmic reticulum. If the protein needs to be modified and packaged before export from the cell, to which structure is it sent? a. endosome b. Golgi body c. nucleus d. lysosome e. smooth endoplasmic reticulumarrow_forward
- What is the sequence of organelles that a secreted protein would have passed through on its journey out of a cell? Select one: a. mitochondria, Golgi apparatus, cell membrane b. cell membrane, mitochondria, Golgi apparatus c. rough endoplasmic reticulum, Golgi apparatus, cell membrane d. Golgi apparatus, rough endoplasmic reticulum, cell membranearrow_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_forwardIn protein synthesis, modification and transport, what will be the correct order of organelles involved in the process? A. nucleus - ribosomes - Golgi complex - vesicles B. endoplasmic reticulum -ribosomes - vesicles Golgi complex C. Golgi complex - endoplasmic reticulum - vesicles - ribosomes D. ribosomes - endoplasmic reticulum - vesicles - Golgi complex One of the meristematic tissues is vascular cambium which is responsible for increasing the diameter of stems and roots. In which part of the plants is the vascular cambium found? A. In structure 4, where they are in the sides of stems and roots. B. In structure 3, where they are located at the base of leaves and internodes. C. In structure 1, where they are covered by lower and upper epidermis of the leaf . D. In Structure 2, where they are located on the tips of stems and roots of the plants .arrow_forward
- In protein synthesis, modification and transport, what will be the correct order of organelles involved in the process? A. nucleus - ribosomes - Golgi complex - vesicles B. endoplasmic reticulum -ribosomes - vesicles Golgi complex C. Golgi complex - endoplasmic reticulum - vesicles - ribosomes D. ribosomes - endoplasmic reticulum - vesicles - Golgi complexarrow_forwardWhich of the following exhibit(s) the "quaternary" structure of nucleic acids? a.ribosome b.histone c.tobacco mosaic virus d.nucleosomearrow_forwardA new type of nucleic acid molecule is found have a base composition of 29% adenine, 19% thymine, 21% cytosine and 31% guanine. The molecule is probably: a. single stranded DNA b. double stranded RNA c. double stranded DNA d. single stranded RNAarrow_forward
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