Test Tuesday 2/10

Topics:Characteristics of LifeUse of the scopesCells – types and groupingsBacteriaViruses

Announcements

Bacteria

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Word of the day: Antibiotic Resistance

Right now you have millions of bacteria on you.

Bacteria can be bad or good

Good: yogurt, cheese, soy sauce, makes antibiotics, breaks down food in your gut, decomposes things, cycle nitrogen

Bad: pathogens (cause diseases)

Bacteria is all around you!

Classification

Prokaryotic Cells

Single celled - unicellular

Prokaryotic Cells (no nucleus)

Cell wall presentLevel 4: Eubacteria has peptidoglycan (sugar)

in the cell wall and Archea does not

Very small

Fast reproductive rates

Characteristics of Bacteria: Level 1-3

Size of Bacteria

http://learn.genetics.utah.edu/content/cells/scale/

Size of bacteria

Parts of a bacteria: What three parts do all cells have? (Level 1-3)

Cytoplasm

Cell Membrane

Genetic Material

Asexually

How do they reproduce? (Levels 1 - 3)

Sexually

Autotrophs: from the sun

Heterotrophs: from carbon containing compounds

Chemotrophs: from chemicals

How do they get energy? (Level1-3)

Current Issue in the News:

Antibiotic Resistance: bacteria are evolving and no longer are being killed by the antibiotics

Antibiotic Resistance

Antibiotics: “against life”

How do antibiotics work?

Antibiotics: Which one worked the best?

Zone of Inhibition

Key Words:

Zone of Inhibition: where the bacteria does not grow

Antibiotics: kills bacteria and is ingested by humans

Antiseptic: kills bacteria and is used to clean surfaces

Lab: Zone of inhibition

Get a computer

Log on to my website (link to virtual lab)

Complete the lab and fill out the data chart

Graph the data

Answer the conclusion questions

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