'Molecules called nitrogen bases' presentation slideshows

Genetics

Genetics. 2/10/2014 to 2/14/2014. DNA structure. In 1952, scientist Rosalind Franklin discovered that DNA is two chains of molecules in a spiral form. The actual model of DNA was made by James Watson and Francis Crick. DNA model. DNA looks like a twisted ladder.

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Chapter: Cell Reproduction

Table of Contents. Chapter: Cell Reproduction. Section 1: Cell Division and Mitosis. Section 2: Sexual Reproduction and Meiosis. Section 3: DNA. DNA. 3. A. What is DNA?.

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The Cell Cycle

The Cell Cycle. The life cycle of a cell is called the cell cycle. The cell cycle begins when the cell is formed and ends when the cell divides and forms new cells. Review 1. The regular cycle of growth and division that cells undergo is called ___. How does a cell make more cells?.

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Section 3: Cell Division

Section 3: Cell Division. 7.1.e Students know cells divide to increase their numbers through a process of mitosis, which results in two daughter cells with identical sets of chromosomes.

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The Structure of DNA pages 101-102

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