Unit 4 - Cells

Prokaryotes DO NOT HAVE...

• DNA

• flagella

• a membrane bound nucleus

• ribosomes

Bacteria is

• Eukaryotic

• Prokaryotic

An amoeba is a one-celled organism. The cell theory states that which of the following characteristics of amoebas must be true?

• All amoebas have a regular, spherical shape.

• All amoebas move rapidly using cilia.

• All amoebas have organelles called chloroplasts.

• All amoebas come from other amoebas.

Tags

NGSS.MS-LS1-1

Which of these is NOT a part of the Cell Theory?

• All cells are independent.
• Cells are the basic unit of living things. 
• All living things are one or more cells.
• Cells come from cells.

Tags

NGSS.MS-LS1-1

One of the characteristics of life is that all living things have a limited lifespan. If fact, most cells can only divide about 50 times before they die. This pre-programmed cell death is called ....

• meiosis.

• apoptosis.

• mutation.

• mitosis.

Tags

NGSS.HS-LS1-4

Match the following cell type to something about it

• Prokaryotic

• Has chloroplasts for photosynthesis

• Eukaryotic (plant)

• No nucleus

• Eukaryotic (animal)

• Has microtubules

Tags

NGSS.MS-LS1-6

This image shows the detailed 3-D surface of a COVID-19 virus. Which microscope was used to get this image?

• Transmission Electron

• Dissecting

• Scanning Electron

• Compound

A scientist wants to study some living cells from a piece of onion skin using light. Which microscope would she use?

• Compound

• Transmission Electron

• Dissecting

• Scanning Electron

Tags

NGSS.MS-LS1-1

Zaquan is examining a cell under a microscope. He notices a ribosome inside. Which of the following is a conclusion he might draw?

• He is examining a eukaryotic cell.

• He is examining a prokaryotic cell.

• This cell could be either eukaryotic or prokaryotic.

Tags

NGSS.MS-LS1-1

Which of the following contains DNA surrounded by a nuclear envelope?

• Eukaryotic

• Prokaryotic