The mutations in the telomerase gene in cancer cells and the test of this hypothesis. Introduction: The chromosomes are condensed structures that are formed during the early phases of cell division from the loose network of chromatin thread and then regain their original structure after being divided into daughter cells.

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Chapter 8, Problem 5IA

a.

Summary Introduction

To determine: The mutations in the telomerase gene in cancer cells and the test of this hypothesis.

Introduction: The chromosomes are condensed structures that are formed during the early phases of cell division from the loose network of chromatin thread and then regain their original structure after being divided into daughter cells.

b.

Summary Introduction

To determine: The increased division of the sperm cells through the life of an adult male and the mechanism behind it.

Introduction: Testosterone is the male sex hormone. It is significant for the development of reproductive or sexual organs. The hormone belongs to a specific class of androgens, which is also called anabolic steroids. Testosterone is synthesized inside the testes along with a small amount in the adrenal glands as sex corticoids. Hypothalamus and pituitary gland in the brain control and regulate the production of testosterone.

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