Fundamentals of Anatomy & Physiology Plus Mastering A&P with eText - Access Card Package (10th Edition) (New A&P Titles by Ric Martini and Judi Nath)
10th Edition
ISBN: 9780321908599
Author: Frederic H. Martini, Judi L. Nath, Edwin F. Bartholomew
Publisher: PEARSON
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Chapter 3, Problem 26RQ
(a) What is cytokinesis? (b) What is the role of cytokinesis in the cell cycle?
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Question #3:
In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would
transmit apomixis-inducing genes to the female in the cross (assuming the pollen is viable). Assuming
there was just one gene conferring gametophytic obligate apomixis, and that the two parents are
inbreds, what would be the consequences of such a cross if:
a) The apomixis was a dominant trait? Indicate the genotypes and phenotypes (apomict or non-
apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic
and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female
first (left side) in the parental cross.
b) The apomixis was a recessive trait? Indicate the genotypes and phenotypes (apomict or non-
apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic
and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female
first (left side) in the…
Question #5:
Assume that two genes are identified that confer gametophytic facultative apomixis in soybean. The
genes show independent assortment. Recessive alleles at both loci are required for the facultative
apomixis. Facultative apomixis is triggered when the temperature at pollination is above 20 degrees C.
At temperatures below 20 degrees C, all reproduction is sexual, independent of genotype.
A facultative apomict male, capable of producing viable pollen, was crossed with a sexually
reproducing female. Assuming the parents are completely inbred, what are the predicted phenotypic
ratios (apomict: non-apomict) for the F1, F2, and DH (F1-derived) generations at each of the following
temperatures*:
a) 15°C?
b) 25°C?
*for full credit, show crosses and genotypes where appropriate. Remember to position the
female first (left side) in the cross.
Type your answer here:
a. What percentage of a drug is eliminated after 4 half-lives? Please round to the nearest percent.
b. What will happen to elimination of the drug in the previous question if the system is saturated? explain and show any math involved
Chapter 3 Solutions
Fundamentals of Anatomy & Physiology Plus Mastering A&P with eText - Access Card Package (10th Edition) (New A&P Titles by Ric Martini and Judi Nath)
Ch. 3 - List the general functions of the plasma membrane.Ch. 3 - Identify the components of the plasma membrane...Ch. 3 - Which component of the plasma membrane is...Ch. 3 - Which type of integral protein allows water, ions,...Ch. 3 - Prob. 5CPCh. 3 - What are the major differences between cytosol and...Ch. 3 - Prob. 7CPCh. 3 - Prob. 8CPCh. 3 - Explain why certain cells in the ovaries and...Ch. 3 - What does the presence of many mitochondria imply...
Ch. 3 - Describe the contents and structure of the...Ch. 3 - What is a gene?Ch. 3 - Define gene activation.Ch. 3 - Describe transcription and translation.Ch. 3 - What process would be affected by the lack of the...Ch. 3 - What is meant by the term selectively permeable...Ch. 3 - Define diffusion.Ch. 3 - List five factors that influence the diffusion of...Ch. 3 - How would a decrease in the concentration of...Ch. 3 - Define osmosis.Ch. 3 - Some pediatricians recommend using a 10 percent...Ch. 3 - Describe the process of carrier-mediated...Ch. 3 - The concentration of hydrogen ions (H+) in the...Ch. 3 - Describe endocytosis.Ch. 3 - Describe exocytosis.Ch. 3 - What is the process called whereby certain types...Ch. 3 - What is the membrane potential of a cell, and in...Ch. 3 - If the plasma membrane of a cell were freely...Ch. 3 - Give the biological terms for (a) cellular...Ch. 3 - What enzymes must be present for DNA replication...Ch. 3 - Describe interphase, and identify its stages.Ch. 3 - A cell is actively manufacturing enough organelles...Ch. 3 - Define mitosis, and list its four stages.Ch. 3 - What would happen if spindle fibers failed to form...Ch. 3 - Define growth factor, and identify several growth...Ch. 3 - An illness characterized by mutations that disrupt...Ch. 3 - Define metastasis.Ch. 3 - Define cellular differentiation.Ch. 3 - Prob. 1RQCh. 3 - The process that transports solid objects such as...Ch. 3 - Plasma membranes are said to be (a) impermeable,...Ch. 3 - _____ ion concentration is high in extracellular...Ch. 3 - At resting membrane potential, the cytoplasmic...Ch. 3 - The organelle responsible for a variety of...Ch. 3 - The synthesis of a functional polypeptide using...Ch. 3 - Prob. 8RQCh. 3 - The movement of water across a membrane from an...Ch. 3 - Prob. 10RQCh. 3 - List the four basic concepts that make up the cell...Ch. 3 - What are four general functions of the plasma...Ch. 3 - What are the primary functions of membrane...Ch. 3 - By what three major transport mechanisms do...Ch. 3 - List five important factors that influence...Ch. 3 - What are the four major functions of the...Ch. 3 - Diffusion is important in body fluids, because it...Ch. 3 - Microvilli are found (a) mostly in muscle cells,...Ch. 3 - When a cell is placed in a(n) _____ solution, the...Ch. 3 - Suppose that a DNA segment has the following...Ch. 3 - Prob. 21RQCh. 3 - The sodium-potassium exchange pump (a) is an...Ch. 3 - If a cell lacked ribosomes, it would not be able...Ch. 3 - List, in sequence, the phases of the interphase...Ch. 3 - List the stages of mitosis, and briefly describe...Ch. 3 - (a) What is cytokinesis? (b) What is the role of...Ch. 3 - The transport of a certain molecule exhibits the...Ch. 3 - Solutions A and B are separated by a selectively...Ch. 3 - A molecule that blocks the ion channels lining...Ch. 3 - What is the benefit of having some of the cellular...Ch. 3 - List the general functions of the plasma membrane.Ch. 3 - Identify the components of the plasma membrane...
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