Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Textbook Question
Chapter 3, Problem 12MC
Mutations may be caused by (a) X rays, (b) certain chemicals, (c) radiation from ionizing radioisotopes, (d) all of these.
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Select the best answer or answers from the choices given: Mutations may be caused by (a) X rays, (b) certain chemicals, (c) radiation from ionizing radioisotopes, (d) all of these.
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Chapter 3 Solutions
Anatomy & Physiology (6th Edition)
Ch. 3.1 - Summarize the four key points of the cell theory.Ch. 3.1 - How would you explain the meaning of a generalized...Ch. 3.2 - What basic structure do all cellular membranes...Ch. 3.2 - What is the importance of the glycocalyx in cell...Ch. 3.2 - Prob. 3CYUCh. 3.2 - Phospholipid tails can be saturated or unsaturated...Ch. 3.3 - What is the energy source for all types of...Ch. 3.3 - What determines the direction of any diffusion...Ch. 3.3 - What are the two types of facilitated diffusion...Ch. 3.4 - What happens when the Na+-K+ pump is...
Ch. 3.4 - As a cell grows, its plasma membrane expands. Does...Ch. 3.4 - Prob. 3CYUCh. 3.4 - Which vesicular transport process allows a cell to...Ch. 3.5 - What process establishes the resting membrane...Ch. 3.5 - Is the inside of the plasma membrane negative or...Ch. 3.6 - What term is used to indicate signaling chemicals...Ch. 3.7 - Which organelle is the major site of ATP...Ch. 3.7 - What are three organelles involved in protein...Ch. 3.7 - Compare the functions of lysosomes and...Ch. 3.7 - How are microtubules and microfilaments related...Ch. 3.7 - Prob. 21CYUCh. 3.8 - Prob. 22CYUCh. 3.9 - If a cell ejects or loses its nucleus, what is its...Ch. 3.9 - What is the role of nucleoli?Ch. 3.9 - What is the role of nucleoli?Ch. 3.10 - If one of the DNA strands being replicated reads...Ch. 3.10 - During what phase of the cell cycle is DNA...Ch. 3.10 - What are three events occurring in prophase that...Ch. 3.11 - Codons and anticodons are both three-base...Ch. 3.11 - How do the A, P, and E ribosomal sites differ...Ch. 3.11 - What is the role of DNA in transcription?Ch. 3.12 - What is the importance of ubiquitin in the life of...Ch. 3.12 - Prob. 2CYUCh. 3 - The smallest unit capable of life by itself is (a)...Ch. 3 - Prob. 2MCCh. 3 - Prob. 3MCCh. 3 - The term used to describe the type of solution in...Ch. 3 - Osmosis always involves (a) a selectively...Ch. 3 - Prob. 6MCCh. 3 - Prob. 7MCCh. 3 - The endocytotic process in which a sampling of...Ch. 3 - Prob. 9MCCh. 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. 19MCCh. 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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- Which 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_forwardCytopathic 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_forwardProteins are not suitable to the genetic molecules within cells because they? a) are large organic compounds b) are composed of building blocks called amino acids c) do not replicate themselves d) catalyze biochemical reactionsarrow_forward
- options for a) DNA, RNA options for b) single, double options for c) 1.67, 0.4, 0.6, 1.25, 2.5arrow_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_forward29 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_forward
- Thymine diners A) causes a covalent bond or occur between the complimentary nucleotides B) are an example of the environment causing mutations to our genes C) can never be repaired D) are only found between adjacent adeninesarrow_forwardWhich of the following is/are true about fluorescentmicroscopy?(a) Fluorescent microscopes use an infrared light source(b) Fluorochromes are sometimes necessary to visualizecellular structures or cells(c) Antibodies can be “tagged” with fluorescent mole-cules to help visualize and prove the presence of theircorresponding antigen or foreign substance, such as amicrobe in a blood sample(d) a, b, and c(e) b and c(f) None of the abovearrow_forwardDuring interplanetary, homologous chromosomes are.... a) fragmented b) replicated c)separated d)elongatedarrow_forward
- 3:09 1 < Back nervous system Pulse Question 33 (Mandatory) According to current ideas about the DNA genetic code, which one of the following statements is false? a) The code is redundant b) Every possible triplet codes for some amino acid c) The code is read in a regular sequence, beginning at one end d) The codon is three nucleotides long Question 34 (Mandatory) The region of a neuron in which the nucleus is found is best described as the: a) cell body b) dendrite c) axon d) interneural area Question 35 (Mandatory) In addition to movement, bones are importan D protection of vital organs. which of the followingarrow_forwardNo explanation needed just the letter of correct answer 2. DNA in cells is damaged: a) Millions of times a day. b) By collisions with other molecules or by chemical accidents and radiation. c) Not very often¸ and by radiation only. d) a and b 3. For genes that code for proteins, which molecule conveys the information from the gene to the ribosome? a) DNA b) mRNA c) tRNA d) rRNA 4. Which of the molecules below is produced during replication? a) mRNA b) rRNA c) tRNA d) DNA 5. Why is there a difference between the synthesis of a lead strand and that of a discontinuous strand in DNA molecules? a) The origins of replication are found only at end 5' of the molecule. b) Helicase and protein factors act at the extremity of 5'. c) DNA polymerases can only add new nucleotides at the extremity 3' a strand in the process of synthesis. d) DNA ligase only works in the 3' ; direction towards 5'. 6. Which of the following statements does not apply to a codon? a) It is made up of three nucleotides. b)…arrow_forward1. The energy required for ______________ reactions comes from _______________ reactions. a) anabolic; catabolic b) catabolic; anabolic c) anabolic; anabolic d) catabolic; catabolic 2. Which is not a phase of mitosis? a) Prophase b) Interphase c) Metaphase d) Anaphase e) Telophase 3. Endoplasmic reticulum, mitochondria, and Golgi apparatus are all examples of a) cells b) organelles c) cytosol d) mitosisarrow_forward
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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY