Anatomy & Physiology
5th Edition
ISBN: 9780321861580
Author: Marieb, Elaine N.
Publisher: Pearson College Div
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Textbook Question
Chapter 3, Problem 12RQ
Mutations may be caused by (a) X rays, (b) certain chemicals, (c) radiation from ionizing radioisotopes, (d) all of these.
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RNA are short-lived
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A) Genetic mutations that cause diseases are always passed on to offspring.
B) Some inherited genetic mutations can be good for the offspring.
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D) Somatic mutations can be inherited from parents or acquired during life.
Chapter 3 Solutions
Anatomy & Physiology
Ch. 3 - Summarize the four key points of the cell theory.Ch. 3 - How would you explain the meaning of a generalized...Ch. 3 - What basic structure do all cellular membranes...Ch. 3 - Why do phospholipids, which form the greater part...Ch. 3 - What is the importance of the glycocalyx in cell...Ch. 3 - Prob. 6CYUCh. 3 - What is the energy source for all types of...Ch. 3 - What determines the direction of any diffusion...Ch. 3 - What are the two types of facilitated diffusion...Ch. 3 - What happens when the Na+-K+ pump is...
Ch. 3 - As a cell grows, its plasma membrane expands. Does...Ch. 3 - Prob. 12CYUCh. 3 - Which vesicular transport process allows a cell to...Ch. 3 - What process establishes the resting membrane...Ch. 3 - Prob. 15CYUCh. 3 - What term is used to indicate signaling chemicals...Ch. 3 - Which organelle is the major site of ATP...Ch. 3 - What are three organelles involved in protein...Ch. 3 - Compare the functions of lysosomes and...Ch. 3 - How are microtubules and microfilaments related...Ch. 3 - Prob. 21CYUCh. 3 - Prob. 22CYUCh. 3 - If a cell ejects or loses its nucleus, what is its...Ch. 3 - What is the role of nucleoli?Ch. 3 - What is the role of nucleoli?Ch. 3 - If one of the DNA strands being replicated reads...Ch. 3 - During what phase of the cell cycle is DNA...Ch. 3 - What are three events occurring in prophase that...Ch. 3 - Codons and anticodons are both three-base...Ch. 3 - How do the A, P, and E ribosomal sites differ...Ch. 3 - What is the role of DNA in transcription?Ch. 3 - What is the importance of ubiquitin in the life of...Ch. 3 - Prob. 33CYUCh. 3 - The smallest unit capable of life by itself is (a)...Ch. 3 - Prob. 2RQCh. 3 - Prob. 3RQCh. 3 - The term used to describe the type of solution in...Ch. 3 - Osmosis always involves (a) a selectively...Ch. 3 - Prob. 6RQCh. 3 - Prob. 7RQCh. 3 - The endocytotic process in which a sampling of...Ch. 3 - Prob. 9RQCh. 3 - The nuclear substance composed of histone proteins...Ch. 3 - The information sequence that determines the...Ch. 3 - Mutations may be caused by (a) X rays, (b) certain...Ch. 3 - The phase of mitosis during which centrioles each...Ch. 3 - Final preparations for cell division are made...Ch. 3 - The RNA synthesized on one of the DNA strands is...Ch. 3 - The RNA species that travels from the nucleus to...Ch. 3 - If DNA has a sequence of AAA, then a segment of...Ch. 3 - A nerve cell and a lymphocyte are presumed to...Ch. 3 - Prob. 19RQCh. 3 - Explain why mitosis can be thought of as cellular...Ch. 3 - Contrast the roles of ER-bound ribosomes with...Ch. 3 - Cells lining the trachea have whiplike motile...Ch. 3 - Name the three phases of interphase and describe...Ch. 3 - Comment on the role of the sodium-potassium pump...Ch. 3 - Differentiate between primary and secondary active...Ch. 3 - Cell division typically yields two daughter cells,...
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- A mutation is most often cause by which of the following factors? a) Sunlight b) Smoking c) Random Copy error d) Radiationarrow_forwardBoth DNA and RNA… a)move to different parts of the cell are b)nucleic acids c)are nucleic acids and information molecules d)are information molecules e)are nucleic acids, information molecules, and move to different parts of the cellarrow_forwardAnswer the following questions: 1. Which of the following enzymes can polymerize deoxyribonucleotides into DNA? A) Primase B) DNA Ligase C) DNA Gyrase D) RNA Polymerase III E) Reverse Transcriptase 2. Which of the following has only one equivalent codon? A) Ala B) Arg C) Val D) Trp E) Gly 3. Which of the following does not describe transcription? A) Synthesis of RNA using DNA as the template B) Requires DNA-dependent RNA Pol C) Highly selective process that is strictly regulated D) A step in gene expression E) None of the above 4. Peptide bond formation happens in _____ site. A) A B) P C) E D) L E) Barrow_forward
- Cytopathic effects (CPE) are visible changes in cells due to: A)viral infection B)mutations C)bacterial infections D)the cell's genes are being expressedarrow_forwardWhich of the following involves remarkable capacity of short segment of DNA to move from one place to another?a) DNA transpositionb) DNA replicationc) Translationd) Transcriptionarrow_forwardMost genetic mutations are __________ to an organism. Question 7 options: A) detrimental beneficial C) neutral D) non-randomarrow_forward
- The technique of DNA sequencing involves performing _______________ . A) northern blotting B) Reverse transcription C) DNA replication D) electron microscopy of DNAarrow_forward4) Repetitive DNA comprises about _________ of chromosomal DNA A) 5% B) 40% C) 60% D) 95%arrow_forwardThe sequence of nucleotides found in mRNA is determined by the a) structure of DNA polymerase, b) sequence of amino acids in a protein, c) large complex proteins, d) sequence of nucleotides in a gene, e) fatty acids and glycerol in the cell.arrow_forward
- 29 Which kind of macromolecule is regarded as a good candidate for the original self-replicator (or genetic molecule) because it can both cause dehydration synthesis and encode information efficiently? a) Neurotransmitter b) DNA c) Hormones d) Proteins e) RNAarrow_forwardAlthough it is well known that X-rays cause mutations, they are routinely used to diagnose medical problems, including potential tumors, broken bones, and dental cavities. So why do we still use X-rays in medicine anyway? What precautions need to be taken?arrow_forwarda) 5'-ATGGGCTCGCACTCATAA-3' b) 5'-ATGGTCTCGAACTCATAA-3' c) 5'-ATGGGCTCGAACTCATAA-3' d) 5'-ATGGGCTCGAACACATAA-3' e) 5'-ATGGGCTCGAATTCATAA-3' Excuse me, the answer you shows to me is not appear in the five options.arrow_forward
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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY