Cell Types and Cell Theory

When observing cells, which of the following pieces of equipment is most appropriate?

• Hand lens
• Telescope
• Petri dish
• Microscope

Tags

NGSS.MS-LS1-1

All organisms are made of:

• organelles
• cytoplasm
• DNA
• cells

Tags

NGSS.MS-LS1-1

The development of cell theory was the result of which of the following?

• The work of a series of scientists over many years

• The invention of the microscope

• The discovery that all plants are composed of cells

• Virchow’s idea that all cells must come from already existing cells

Which of the following is NOT a principle included in the modern cell theory?

• New cells are formed only by division of preexisting cell

• The cell is the basic unit of structure and function for all organisms

• Living cells appear spontaneously from nonliving matter

• All living things are composed of one or more cells

Tags

NGSS.MS-LS1-1

In comparing prokaryotic and eukaryotic cells, which of the following is found in both?

• Lysosomes

• Ribosomes

• Vacuoles

• Mitochondria

Living organisms include bacteria, fungi, plants, and animals. What is one thing that all living things have in common?

• They are all made of multiple cells

• They all result from replication of pre-existing cells

• They all perform cell division to decrease the surface-area to volume ratio

• They all start as single-celled organisms and become multicellular through replication.

Tags

NGSS.MS-LS1-1

Cells are classified as either prokaryotic or eukaryotic according to differences in their structure. However, these cells also share several traits. Which of the following may be found in all prokaryotic and eukaryotic cells?

• nucleus

• cell wall

• chloroplasts

• plasma membrane

A plant and an animal are both living things. According to the Cell Theory, what can you conclude about these two very different organisms?

• Plants have cells but animals do not.

• They are both made of one or more cells

• They both come from the same kind of cell.

• They both come from a non-living organism

Tags

NGSS.MS-LS1-1

Cells can be classified into two different categories: prokaryotic and eukaryotic. Which of the following information is needed in order to determine if an organism is prokaryotic?

• The organism’s color and mass.

• The organism’s internal structures

• If the organism is unicellular or multicellular

• The methods the organism uses to feed and move

Which of the following contain complex, membrane-bound organelles?

1. bacteria

2. viruses

3. eukaryotic

4. prokaryotic

• 1 and 2

• 2 and 4

• 3 only

• 4 only