Chapter 1 - Cells

Question 1

How high does a Light microscope magnify up to?

Answer 1

Light microscopes magnify up to about x2000, and have a resolving power (detail) of about 200 nm

Question 2

How high does an Electron microscope magnify up to?

Answer 2

Electron microscopes magnify up to about x2,000,000 and have a resolving power (detail) of around 0.2 nm.

Question 3

What is the formula for magnification?

Answer 3

magnification = size of image / size of real object

Question 4

What are the cell features of an animal cell? (common to all cells)

Answer 4

Nucleus, cytoplasm, cell membrane, mitochondria, and ribosomes.

Question 5

What structural feature do plants and algal cells contain that animal cells do not?

Answer 5

Cellulose cell wall.

Question 6

What do many plant cells contain?

Answer 6

Chloroplasts and a permanent vacuole filled with sap

Question 7

What features do all eukaryotic cells have?

Answer 7

Cell membrane, cytoplasm and a genetic material enclosed in a nucleus.

Question 8

What do prokaryotic cells consist of?

Answer 8

Cytoplasm and a cell membrane surrounded by a cell wall. Its genetic material is not distinct nucleus it forms a single DNA.