Prokaryotic Cells

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What is the cytoplasm and its function?

It is a jelly-like filling in the free spaces of a cell, and holds everything in place

What is the purpose of a cell wall?

It provides protection, gives the cell shape, and prevents it from bursting in freshwater

What is the purpose of the cell membrane?

It serves as a barrier, and is selectively permeable, which means only some things can come in and out of the cell

Where is bacteria found?

Literally everywhere. In your body, on your skin, every surface and place on Earth

What do most antibiotics target?

They target ribosomes to shut down protein production

What are the two types of prokaryotes?

1. Bacteria 2. Archaea

What are the names of the basic prokaryote shapes? And explain them.

1. Cocci- are round (spherical) 2. Bacilli- are rod-shaped 3. Spirilli- Are spiral shaped

What is the cell theory? (3 parts)

1. Every living things is made up of cells. 2. Cells come from existing cells 3. Cells are the basic unit of structure and function in living things

How many basic shapes does a prokaryote have?

3

What is a flagella and which cell has it?

A flagella is a tail that helps the cell move, most prokaryotes have a flagella, eukaryotes do not have it

What is the genetic material that is needed for reproduction and holds the instructions for making proteins?

DNA

Which one of the following cells are much more complex?: Eukaryotic cells or prokaryotic cells?

Eukaryotic cells

Do prokaryotic cells have a nucleus?

No

Is it true that prokaryotes have a nucleus?

No, prokaryotes do NOT have a nucleus

What is another name for cell membrane?

Plasma membrane

What were the first cells that appeared on Earth? Eukaryotes or Prokaryotes?

Prokaryotes

Which one of the following cells are much smaller and simpler?: Eukaryotic cells or prokaryotic cells?

Prokaryotic cells

Which one of the following cells have a cell wall?: eukaryotic cells or prokaryotic cells?

Prokaryotic cells

What produces proteins using the instructions in the DNA?

Ribosomes

Where do archaea live?

Since they are very ancient, they live in extreme environments, such as salty lakes and hot places

What are prokaryotes?

The most basic living organisms

Where does the DNA float in a prokaryote?

The nucleoid region

Do eukaryotic cells have a nucleus?

Yes

Do all cells have a cell membrane? Yes or No?

Yes, it surrounds the cell


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