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Cell Theory Eukaryotic Cells Organelle Functions 10 Point 20 Points 30 Points 40 Points 50 Points 10 Point 20 Points 30 Points 40 Points 50 Points 30 Points 40 Points 50 Points Prokaryotic Cells Microscopes

What type of microscope is seen at right?

Light microscope

What term means the smallest & simplest living strucutre found in all living things?

Cells

List 2 examples of prokaryotic cells.

Bacteria & Blue-green algae

Identify structure G.

(Large central) Vacuole

What is the function of the chloroplast?

Photosynthesis (to make sugar using sunlight energy)

Which kind of microscope is seen at right?

Transmission electron microscope (TEM)

What term means an organism is made of only one cell?

Unicellular

What cell structure is seen at A?

A = Cell surface membrane

Identify structure D.

Nucleolus

What is the function of the ribosome?

To make proteins.

List 2 advantages of use of electron microscopes over light microscopes.

*Higher image resolution. *Higher magnification of image.

What does the term intracellular mean?

Inside the cell

What cell structure is seen at F?

F = Flagella

Identify structure A.

Mitochondria

What is the function of the plasma membrane?

Controls entry & exit of molecules into the cell.

List 3 advantages of light microscopes over electron microscopes.

*View live specimens. *View in color. *Easy prep of slides *Large viewing area. *Movement & behavior can be seen.

What does acellular mean?

Something contains no cells.

Why is prokaryotic DNA said to be naked?

Prokaryotic cells have DNA that is not covered with proteins.

List 3 ways eukaryotic cells are different from prokaryotic cells.

Eukaryotic cells have: * Nucleus (usually). * Membrane-bound organelles. * DNA covered with proteins. * Always have mitochondria to make ATP. * Larger ribosomes.

List 2 functions of lysosomes.

* Breakdown macromolecules. * Alter internal pH. * Digest worn-out organelles. * Digest pathogens (germs). * Participate in selective cell death.

Estimate the length of the parameciums seen below.

45-65 µm long (3-4 fit across)

List the 3 main parts of the cell theory.

* All organisms are made of cells. * Cells only come from other cells. * Cells are the building blocks of all life.

List 3 ways a prokaryotic cell is different from a eukaryotic cell.

* No nucleus. * Naked DNA. * No membrane-bound organelles. * Circular DNA. * Small ribosomes. * Mesosome makes ATP.

What type of cell is this? (and list 2 reasons why).

Plant cell, Has Chloroplasts Cell Wall Large central vacuole

List 2 functions of the smooth endoplasmic reticulum?

Makes carbos & lipids. Detoxifies poisons.

Make your wager

Compare how plant and animal cells store their carbohydrates.

Plants - starch Animals - glycogen