Biology Discussion Notes mon 1117x

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Transcript Biology Discussion Notes mon 1117x

Biology Discussion Notes
Monday 11/17/2014
Goals for the Day
1. Draw the most basic evolutionary tree
2. Distinguish between a prokaryote and a
eukaryote
3. Be able to name the 3 parts of the cell
theory
4. List the 5 cell parts that all cells have
Question of the Day 11/17
• What is the basic unit of life?
(What do all living things contain)
What type of factor (think ecology) contains
these things?
Phylogeny of Life
• All living things contain cells, but not all
cells are alike.
Types of Cells
• Origin of the words
• Prokaryotes:
– I say “PRO” you say……….
• Eukaryotes:
– I say “Eu” you say…………..
Types of Cells
• There are 2 main types of cells that
correlate to the two main groups of life
• Prokaryotes: include bacteria &
archea
– All prokaryotes have prokaryotic cells
Chapter 3
Prokaryotes
Always have:
• Circular DNA
Often have:
• cell wall
• cilia or flagella
Chapter 3
Prokaryotes
Single-celled
Lack(do not have)
•nucleus
•Membrane-bound
organelles
Types of Cells
• There are 2 main types of cells that
correlate to the two main groups of life
• Eukaryotes: includes animals,
plants, fungi, and protists
–All eukaryotes have eukaryotic cells
Eukaryotic Cells
– All Eukaryotic cells Contain:
• Nucleus – contains DNA
• membrane bound organelles
Phylogeny of Life
• All living things contain cells, but not all
cells are alike.
• Draw the basic phylogeny of living things
Phylogeny of Life
• All living things contain cells, but not all
cells are alike.
Take a minute:
• In your notes, draw a prokaryotic cell and
a eukaryotic cell.
• Label the types of organisms that would
have each type of cell.
What differentiates Prokaryotic
& Eukaryotic cells?
Cell Size
Write a prediction about cell
size of prokaryotes &
eukaryotes in your notes.
The Cell Theory
1. All living things are made of one or more
cells.
2. Cells are the basic units of structure and
function in organisms.
3. All cells arise from existing cells.
Common Features of Cells
Cells share common structural features, including:
• Cell membrane-an outer boundary of the cell
• Cytoplasm-interior substance of the cell
• Cytoskeleton-structural support for the cell
• DNA –form of genetic material
• Ribosomes- cellular structures that make proteins
Test Corrections
• Re-write question and then the correct
answer.
– It should read as a complete statement.
• When finished work on next slide
1. What do you want to know about cells?
2. What do we know about all of these
organisms because they are living
things?
– Use our biology vocabulary to describe living
things, go through your notes, something from
each chapter.
– Come up with a list of 5 things on your own
– Then work with a partner to come up with a
list of 15.
What we know about all living things:
Species of the day 11/17
Olive Baboon
Papio anubis
Is this baboon a prokaryote or a
eukaryote? What cell parts do you know it
has?