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D. Types of Fossils and Their Formation

D. Types of Fossils and Their Formation

D. Types of Fossils and Their Formation. INTRODUCTION:. A fossil is any evidence of a once-living organism. Ordinarily, only the hard parts of organisms are preserved (for example, only the shells of invertebrates, and only the bones and teeth of vertebrates).

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Cytosol

Cytosol

Cytosol Cytoplasm refers to the jelly-like material with organelles in it. If the organelles were removed, the soluble part that would be left is called the cytosol . It consists mainly of water with dissolved substances such as amino acids in it .

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1.01k views • 36 slides
3. Disinfection and Sterilization

3. Disinfection and Sterilization

3. Disinfection and Sterilization. Basic terms . sterilization ?? disinfection ?? Antisepsis ?? Bacteriostasis ?? Asepsis ?? . sterilization ??. The process of destroying all microbial forms. A sterile object is one free of all microbial forms, including bacterial spores .

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1.44k views • 36 slides
Part 1: Types of Organisms

Part 1: Types of Organisms

Part 1: Types of Organisms. BIO103 Section 12 Dr. Obaidur Rahman ( OrR ). Lecture 1: Introduction to Biology. Organ Group of tissues to carry out a function Example: Eye Tissues Homogeneous group of cells Example: Retina Cells Make the tissue Example: Photoreceptor cells

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Modern Materials

Modern Materials

Modern Materials. What are Modern materials?. Modern materials are those which are continuously being developed by the invention of new or improved processes. Unlike Smart materials, their characteristics do not necessarily change with external effects such as temperature or pressure.

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1.27k views • 14 slides
Chapter 3, Section 2: Moving Cellular Materials

Chapter 3, Section 2: Moving Cellular Materials

Chapter 3, Section 2: Moving Cellular Materials. Passive Transport. Passive Transport: the movement of substances through the cell membrane without the input of energy. There are 3 types of passive transport. Diffusion.

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237 views • 7 slides

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