Week 3 T1/T2

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Q2. Week 3

Cells

The smallest unit of life

Announcements

DISCOVEry

Cells were discovered by Robert Hooke in 1665 using a compound microscope that he designed.

There are millions of types of cells

Muscle Cells

Red blood cells

White blood cells

Nerve cells

Cone cells

Fat cells

Hair cells

Egg cells

Sperm cells

Bacterial cells

Fungal cells

Yeast cells

Algal cells

Rod cells

and so many more

Cells come in many shapes and sizes

Eukaryotic

Prokaryotic

two main types of Cells

Question 1

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Question 2

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Cell Theory

All organisms are composed of cells.

Cells are alive and the basic living units of organization in all organisms.

All Cells come from other cells.

What is in a Cell?

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Cell WallHelps with structure and protection

Plant Cell Plants contain a cell wall, chloroplast and Large Vacuole

Animal Cellcovered by a cell membrane that allows thing to enter cell

Nucleus is found in Eukaryotes and stores/protects DNA

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Cell Parts # 3 - 6

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Chloroplasts converts sunlight and CO2 into sugars in plants

Ribosomesbuild proteins

Golgi ApparatusPackaging and Shipping center of the cell

Endoplasmic ReticulumBuilds lipid and proteins and aids in transport

Cell parts # 7 - 10

Cell parts # 11 - 13

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Mitochondria Breaks down sugars into usable energy

Cytoplasm Jelly like fluid that helps a cell keep its shape and hold nutrients

Cell Membrane protective barrier surround the cell that also regulate what goes in and out

Finish Attempt and Submit Open up Assignment 3.2 Cell Structure and Types Simulation

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Question 1

3.2 Cell Types Simulation

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Human Skin Cell

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Question 3

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E.Coli Sample

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Human Neuron

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Human Muscle cell

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microaglae perform photosynthesis by converting carbon dioxide and sunlight from the atmosphere into food and oxygen

Microalgae

Question 8

Submit this assignment.

Red blood cells carry oxygen from the lungs to different parts of the body. White blood cells protect the body agains infection by bacteria and viruses.

Human blood

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Endoplasmic R

Cytoplasm

Cell Membrane

Cell Wall Cytoplasm Nucleus Vacuole Chloroplast is important for photosynthesis.

Golgi

Cells are living!

cells are the builDing blocks of life

Cells tissue organs organ systems organisms

Ribosomes

Mitochondria

chloroplast

Cells reproduce

Nucleus

* Tier 1

Eukaryotes

Have membrane-covered organelles.Are larger and have a nucleus. Include plants, animals, and fungi.

Prokaryotes

One Celled organisms No nucleus Example: Bacteria