Cells M2

Question 1

Why are mitochondria found in abundance in muscles.

Answer 1

Mitochondria are
involved in aerobic respiration
- generates ATP
- muscle contraction needs

Question 2

What is a plasmid, and what cell type is it found in?

Answer 2

-Circular strand of DNA
-Independent of/in addition to
chromosomal DNA
-Found in prokaryotes

Question 3

Identify two tissues that make up the heart?

Answer 3

• Cardiac muscle tissue
• Nervous tissue
• Epithelium tissue
• Fatty tissue
• Fibrous tissue

Question 4

What is the equation for magnification?

Answer 4

I = A/M

Question 5

Protein production

Answer 5

1. nucleolus produces ribosomes for protein synthesis in the RER 2. nucleolus produces mRNA fro ribosomes to make into proteins. 3. ribosomes in rough ER make proteins 4.RER processes the proteins and sends to Golgi in vesicles 5. The Golgi body modifies and packages proteins 6. cytoskeleton transport proteins in secretory vesicle to plasma membrane 7. fuse with membrane and excrete them.

Question 6

what size is a eukaryotic cell?

Answer 6

10-100ym

Question 7

what size is a prokaryotic cell?

Answer 7

0.1-1ym

Question 8

Define resolution

Answer 8

the ability to distinguish two separate points that are close together.

Question 9

why differential staining?

Answer 9

helps distinguish different parts of a cell and allows you to identify them.

Question 10

Describe and explain the adaptations of a neutrophil.

Answer 10

Contain lots of lysosomes, containing hydrolytic enzymes. Lysosomes will fuse with a phagocyte and then digests bacteria and absorb the products.

Question 11

comparison of prokaryotic and eukaryotic cells

Answer 11

P, circular DNA, in the cytoplasm, no membrane-bound organelles, 18nm/70s ribosomes, walls of peptidoglycan. E, linear DNA, in nucleus, membrane bound organelles, 22nm/80s ribosomes

Question 12

how do plants, animals and prokaryotes store energy

Answer 12

prokaryotes and animals store it as glycogen, whereas plant stores it as starch.