Gen Bio II Dr. Diane Cleverley. Diane Cleverley, PhD Molecular Genetics and Microbiology 15 years teaching experience 13 years experience in medical communications.

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Presentation transcript:

Gen Bio II Dr. Diane Cleverley

Diane Cleverley, PhD Molecular Genetics and Microbiology 15 years teaching experience 13 years experience in medical communications

Class Elements Lecture: TR – 10:30PM – 11:50PM; Laboratory: R – 1:30PM – 4:20PM Homework- work through the study guide ( you do NOT need to hand in) Pre-read lab for the week Quizzes on Lectures and Lab 4 Major exams

Definition Biology: The study of living organisms

Gen Bio I Review: Chemicals of Life: Carbon, Hydrogen, Oxygen, Nitrogen Macromolecules: DNA, RNA, proteins, carbohydrates The Cell: organelles, membranes

Inside the Cell Enzymes Cellular Respiration (the Citric Acid Cycle) Photosynthesis (The Calvin Cycle) DNA>>RNA>>protein Transcription, Translation

Cell Division Mitosis  Cell Cycle  4 phases of mitosis Meiosis  How it differs  Haploid vs. Diploid

Learning Objectives Compare and contrast the characteristics of the five kingdoms of living organisms Demonstrate the concept of binomial nomenclature

So what is next? Moving up in organization Cells: Single celled organisms: bacteria, algae, yeasts Multicellular organisms: fungi, plants, animals

How would you classify organisms? Morphology Development Geography Any other ways?

First attempts Plant Animal Bacteria

The Five Kingdoms All living things are placed into one of the five kingdoms listed below. 1. MoneraMonera 2. Protista Protista 3. Fungi Fungi 4. Plantae Plantae 5. AnimaliaAnimalia

The Five Kingdoms All living things are placed into one of the five kingdoms listed below. 1. MoneraMonera 2. Protista Protista 3. Fungi Fungi 4. Plantae Plantae 5. AnimaliaAnimalia

Monera Kingdom The major characteristics of the organisms in this kingdom are: 1. They are unicellular organisms. 2. They do not have a nucleus.

Protista Kingdom The major characteristics of the organisms in this kingdom are: 1. They are unicellular organisms. 2. They have a well defined nucleus.

Fungi Kingdom The major characteristics of this kingdom are: 1. They can be either unicellular or multicellular. 2. They do not contain chlorophyll. 3. Their cell wall is different from a plant cell wall.

Plantae Kingdom The major characteristics of this kingdom are: 1. They can be unicellular or multicellular. 2. They are autotrophs because they can make their own food.

Animalia Kingdom The major characteristics for this kingdom are: 1. They are multicellular. 2. All are heterotrophs because they can not make their own food.

Identify the Kingdom I am a unicellular organism with a nucleus. What kingdom do I belong to? a. Monera b. Protista c. Plantae

Identify the Kingdom I am a multicellular organism and I contain chorophyll. What kingdom do I belong to? a. Fungi b. Plantae c. Animalia

Identify the Kingdom I am a unicellular organism that does not have a nucleus. What kingdom do I belong to? a. Monera b. Protista c. Fungi

Identify the Kingdom I am a multicellular organism that can not make its own food. What kingdom do I belong to? a. Monera b. Protista c. Animalia

Identify the Kingdom I am a multicellular organism that does not contain chlorophyll. My cell wall is different from a plant cell wall. What kingdom do I belong to? a. Animalia b. Plantae c. Fungi

Classification of Living Organisms Every organism can be classified at 7 different levels - kingdom, phylum, class, order, family, genus and species. Each level has similar characteristics Each successive group contains fewer organisms, but the organisms are more similar. The species is the smallest group and is very narrow. Important--Species are able to mate and produce fertile offspring

Systematic Classification

Binomial Nomenclature Use last two names (genus and species) as in: Ursus horribilis—the grizzly bear