Intro to Cells

Intro to Cells

Objective

In this lesson you will learn about different types of cells and cell structures, and answer questions about them.

The cells to the right are cancer cells undergoing the final stage of division (mitosis).

Multiple Choice

Which of the following is NOT part of the cell theory

• All cells have the same number of chromosomes

• The cell is the smallest living unit among organisms

• All living things are made of cells

• All cells come from pre-existing cells

The cell theory (review)

• The cell is the smallest living unit among organisms.

• All living things are made of cells.

• All cells come from pre-existing cells.

Vocabulary: Organelle

An organelle is a structure in a cell that has a particular function (job). Examples of organelles are the nucleus, ribosomes, and mitochondria (singular: mitochondrion).

Vocabulary: Cytoplasm

Cytoplasm is the jelly-like substance that fills any space in the cell that is not filled with an organelle.

Video Segements

You will now watch 4 video segments and answer questions between each segment. To play the video, click on the preview.

Multiple Choice

An organism made of two or more cells is

• multicellular

• unicellular

Multiple Choice

An amoeba is

• multicellular

• unicellular

Multiple Choice

Prokaryotes include

• animals

• bacteria, only

• bacteria & archaea

Multiple Select

Which groups of organisms are eukaryotes

• bacteria

• plants

• animals

• fungi

• archaea

Multiple Choice

Prokaryotes have no nucleus.

• True

• False

Multiple Choice

Eukaryotes have organelles with membranes and prokaryotes do not.

• True

• False

Multiple Choice

The cell membrane lets only some things in and out, making it

• impermeable

• semipermeable

• impenetrable

Multiple Choice

Ribosomes make

• lipids

• carbohydrates

• proteins

Multiple Choice

In eukaryotes, DNA is located in the

• cell membrane

• ribosome

• nucleus

Multiple Select

The endoplasmic reticula are responsible for (choose 3)

• processing molecules

• transporting molecules

• holding the DNA

• detoxification

Multiple Choice

The golgi apparatus is responsible for

• packaging molecules

• protein synthesis

• photosynthesis

Multiple Choice

The organelles responsible for cellular respiration are the

• chloroplasts

• mitochondria

• ribosomes

Multiple Select

Which of these are true about chloroplasts (choose 3)

• only found in plant cells

• site of photosynthesis

• they are green

• found only in animal cells

• make proteins

Multiple Choice

Which type of cell has a large, central vacuole to hold water

• plant cell

• animal cell

Multiple Choice

The cell wall provides structure and support to

• plant cells, only

• animal cells, only

• plant and animal cells

Amoeba

Are you wondering what a real amoeba looks like? The following video shows an amoeba eating a paramecium. Both are unicellular organisms.