Size And Shape Flashcards
1
Q
Fill in this table.
A
2
Q
Are eukaryotic or prokaryotic cells bigger?
A
Eukaryotic.
3
Q
How do you calculate surface area of a sphere?
A
4πr2
4
Q
How do you calculate volume of a sphere?
A
(4/3)πr2
5
Q
How do you calculate surface/volume ratio?
A
slide 9
6
Q
What are the two advantages of microorganisms being small?
A
- Better diffusion of nutrients and waste products. 2. Increased metabolism and more rapid growth.
7
Q
A virus particle is a genetic element that can do what two things?
A
- Replicate independently of a cells chromosome, but not independently of a cell. 2. Will only replicate inside a cell.
8
Q
What is the common unit for a virus?
A
Nanometre (nm).
9
Q
What is the smallest virus particle? What size is it in diameter?
A
Polio and it is 28nm.
10
Q
What is the largest virus particle? What size is it in diameter?
A
Smallpox and it is 200nm.
11
Q
The diameter of bacteria ranges from what?
A
0.1um to more than 50um.
