'Certain bacteria' diaporamas de présentation

The Reproductive System

The Reproductive System. The reproductive system consists of: 1- The primary sex organs, or gonads are the testes in males and the ovaries in females. The gonads produce sex cells, or gametes and secrete a variety of steroid hormones commonly called sex hormones .

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Ecology

Ecology. Scientific study of interactions among organisms and between organisms and their physical environment. Biosphere: All life on earth and parts of earth in which life exists (land, water and atmosphere). Studying Our Living planet. Science of Ecology

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"THE BIG 4" MACROMOLECULES

"THE BIG 4" MACROMOLECULES. There are four classes of biological macromolecules: Proteins, lipids, carbohydrates and nucleic acids. Before you can understand the topics in this unit there are some key vocabulary terms you need to know. Macromolecule Polymer Monomer. What is a.

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Chapter 19

Chapter 19. The Reproductive System. Introduction . Reproduction: process by which genetic material is passed from one generation to the next Meiosis produces sex cells Sperm from male and egg from female join to form zygote Zygote develops into embryo Embryo develops into fetus.

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Bacterial Cell Structure and Function Part 2: cell envelope and cytoplasmic constituents

Bacterial Cell Structure and Function Part 2: cell envelope and cytoplasmic constituents. Cell Walls. Cell wall is a structure that completely surrounds the cell protoplast. (Almost) all bacteria have a cell wall. Cell Walls. Why study bacterial cell walls?

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The Human Microbiome Project

The Human Microbiome Project . Brie Bibb David Chong Julia Cochran Brandon Crostick Nick Niland. What makes a human? . Human metabolic features- combo of human and microbial traits Microbiota- microrganisms that live inside and on humans

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CHEMISTRY NITROGEN CYCLE

CHEMISTRY NITROGEN CYCLE. Nutrients.

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Ethnic and Specialty Foods in North Carolina

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Chapter 40 Introduction to Microbiology

Chapter 40 Introduction to Microbiology. Microbiology. The scientific study of microorganisms is microbiology. Microorganism or microbe Individual living animal or plant that is so small it can be seen only with the aid of a microscope. Most do not cause disease under normal conditions.

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A quick review! AKA: What you SHOULD know by now.

A quick review! AKA: What you SHOULD know by now. . The structure of chromosomes: A chromosome consist of DNA tightly coiled around proteins. What is a gene? A segment of DNA that codes for a protein or RNA molecule. DNA is copied during the S phase of the cell cycle.

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BIOCHEMICAL TESTS

BIOCHEMICAL TESTS . PART ONE. Differentiation of organisms based on their ability to break down complex Macromolecules in to simpler nutritional constituents. Fat. Protein. Starch. Macromolecules are polymers of monomeric subsunits.

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Faktor Mikroorganisme :Peran Rhizobium dalam Pertumbuhan

Faktor Mikroorganisme :Peran Rhizobium dalam Pertumbuhan. Sri Wilarso Budi R Laboratorium Silvikultur Fakultas Kehutanan IPB E-mail: wilarso62@yahoo.com. The Nitrogen Cycle. All life requires nitrogen-compounds, e.g., proteins and nucleic acids.

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The Nitrogen Cycle

The Nitrogen Cycle. All life requires nitrogen-compounds, e.g., proteins and nucleic acids. Air, which is 79% nitrogen gas (N2), is the major reservoir of nitrogen. But most organisms cannot use nitrogen in this form.

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CLS 1113 Introduction to Clinical Laboratory Practices

CLS 1113 Introduction to Clinical Laboratory Practices. Unit 7 Streptococcus, Herpes Viruses. Detection of Group A Streptococcus. Streptococus Pyogenes (Group A) Other Groups Group B Group D Group A strep: Two major sites Symptoms: Pharyngitis

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Introduction to Lab Ex. 20: Enumeration of Bacteria - Most Probable Number method Membrane Filter method

Introduction to Lab Ex. 20: Enumeration of Bacteria - Most Probable Number method Membrane Filter method. Water Quality. Microbes are filtered from water that percolates into groundwater. Some pathogens are transmitted to human in drinking and recreational water.

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Germanium Ge

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Microbial Control

Microbial Control. Lab 4. Selective and Differential Media. We have completed Isolation of bacteria using steak plate and spread plate This is a good beginning, but now we must determine more about the bacteria using: Selective Media and Differential Media. Selective and Differential Media.

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2.6 Cycling of Matter in Ecosystems

2.6 Cycling of Matter in Ecosystems. SNC 1D1 ECOLOGY UNIT. Biogeochemical Cycles. Matter cannot be created or destroyed , so all water and nutrients must be obtained from chemicals already in the environment

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What is acid rock drainage?

What is acid rock drainage?. Image: G. Plumlee, USGS. Metals-7-1. Rocks that contain useful metals commonly contain sulfide minerals - minerals that combine metal with sulfur. Image: Travis Hudson. Sulfide minerals in a rock sample. Metals-7-2.

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Metals and the Environment

Metals and the Environment. Links to the 2011 specifications. How Science Works. The content in this presentation can help illustrate how scientists: use appropriate methodology to answer scientific questions and solve scientific problems

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