Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Chapter 14, Problem 2QP
Summary Introduction
To determine: The differences between pluripotent and multipotent stem cells.
Introduction: The cells that possess the ability to differentiate into several types of cells, and also have the ability to renew them are known as stem cells. Embryonic stem cells and adult stem cells are two broad types of stem cells. Bone marrow and the umbilical cord blood are the two main sources to extract stem cells.
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3. Tyrosine kinase receptors are pairs of proteins that span the plasma membrane. On the extracellular side of the membrane, one or more sites are present that bind to signaling ligands such as insulin or growth factors. On the intracellular side, the enas
of peptide chains on each protein phosphorylate the other member of the pair, providing active docking sites that initiate cellular responses. The signal is switched off by dissociation of the ligand. For each ligand-receptor system, the equilibrium
constant, k, controls the distribution of receptor-bound and unbound ligands. In systems with large values of k, a site is likely to be occupied, even at low concentrations of ligand. When k is small, the likelihood of binding is low, even when the
concentration of ligand is high. To initiate a new stimulus response cycle for the receptor, the ligand must dissociate. Larger values of k mean that the receptor is more likely to be occupied and thus unavailable to bind another ligand.…
4-Explain why does Na+ (Sodium) leave the cell by Na+/ktATPase pump and enter by
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5-Name the energy needed during the Na+/ktATPase pump.
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Chapter 14 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
Ch. 14.6 - Suppose you are arrested for a serious crime and a...Ch. 14.6 - Prob. 2EGCh. 14 - Can DNA profiling identify the source of a sample...Ch. 14 - Can DNA profiling identify the source of a sample...Ch. 14 - Can DNA profiling identify the source of a sample...Ch. 14 - Biopharming: Making Human Proteins in Animals...Ch. 14 - Prob. 2QPCh. 14 - Prob. 3QPCh. 14 - Genetically Modified Foods The creation of...Ch. 14 - Prob. 5QP
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