EBK HUMAN PHYSIOLOGY
EBK HUMAN PHYSIOLOGY
8th Edition
ISBN: 9780134704227
Author: Silverthorn
Publisher: YUZU
Question
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Chapter 22, Problem 22RQ

(a)

Summary Introduction

To define: The terms glucose, glycogenolysis, glycogenesis, gluconeogenesis, glucagon, and glycolysis and the relation between them.

Introduction: Metabolism is defined as the sum of all chemical reactions taking place in the body. Metabolic pathway is of two types: anabolic pathway and catabolic pathway.

Anabolic pathway is associated with the synthesis of large molecules and catabolic pathway is associated with the breakdown of large molecules.

(b)

Summary Introduction

To determine: The terms shivering thermogenesis, non-shivering thermogenesis, and diet-induced thermogenesis and the relation between them.

Introduction: Homeostasis is the mechanism of the body by which it maintains a constant temperature throughout the body.

(c)

Summary Introduction

To determine: The terms lipoproteins, chylomicrons, cholesterol, HDL-C, LDL-C, and apoproteins and the relation between them.

Introduction: Proteins are the large, complex biomolecules that play several important roles in the body.

(d)

Summary Introduction

To determine: The terms direct and indirect calorimetry and the relation between them.

Introduction: Metabolic rate defines the rate of metabolism. It the amount of energy used by a living organism per unit of time.

(e)

Summary Introduction

To determine: The terms conductive heat loss, radiant heat loss, convective heat loss, and evaporative heat loss and the relation between them.

Introduction: Heat loss from the body takes place by radiation, conduction, convection, and evaporation.

(f)

Summary Introduction

To determine: The terms absorptive and postabsorptive states and the relation between them.

Introduction: Metabolism is defined as the all chemical reactions that takes place in the body. The metabolic pathway that synthesizes large molecules from smaller ones is known as an anabolic pathway. The pathway that breaks a large molecule into smaller one is called catabolic pathway.

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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:

Chapter 22 Solutions

EBK HUMAN PHYSIOLOGY

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