Cell Phys Exam 1

Question 1

Eukaryote Characteristics

Answer 1

• Nucleus

Question 2

Prokaryote Characteristics

Answer 2

• No nucleus

Question 3

What is asymmetry?

Answer 3

• Part of stem cell renewal where the daughter cells from same replication have different fates.

Question 4

What is methylation?

Answer 4

• Altering of gene expression (shape) by adding a methyl group to cytosine

Question 5

What are non-muscle cells?

Answer 5

Cells that have actin in their cytoplasm and nucleus.

Question 6

What is cytosine?

Answer 6

Amino acid part of a DNA gene that receives a methyl group during methylation.

Question 7

What is a capsid(virion)?

Answer 7

Protective covering of a virus that is removed when inside a host

Question 8

What is the viral envelope?

Answer 8

Provides protections and host recognition that is squired from host cell during viral replication

Question 9

What is group translocation?

Answer 9

Part of an active process in crossing into the cell membrane when the substance is chemically changed

Question 10

What are stem cells?

Answer 10

Cells that develop into the whole organism

Question 11

What are phospholipids?

Answer 11

Composed of a hydrophilic head and hydrophobic tail

Question 12

What is the stem cell niche?

Answer 12

Micro environment that control stem cell renewal

Question 13

What is the inner leaflet?

Answer 13

Position of phospholipids on the inside of the cell

Question 14

What is actin?

Answer 14

Regulation of the physical state of the cytosol

Question 15

What is the fluid mosaic model?

Answer 15

Movement of the phospholipid bilayer

Question 16

What is peptoglycan?

Answer 16

Material that make up bacterial cell walls