Chapter 3/4

Question 1

Communication

Answer 1

interactions exhibited by cells

Question 2

Cell adhesion

Answer 2

is the process cells interact and attach to a surface, substrate or another cell, mediated by interactions between molecules of the cell surface. Thermodynamic properties governing surface tension of water molecules + cell characteristics

Question 3

Differential adhesion Hyp

Answer 3

Hierarchy of cell sorting of decreasing surface tension

Question 4

induction

Answer 4

One group of cells chasing the behavior of adjacent cells

Question 5

competence

Answer 5

ability to respond to an inductive signal

Question 6

responder

Answer 6

Cell being Induced

Question 7

RNA interference

Answer 7

Silence expression of specific genes by degrading mRNA

Question 8

microRNAs

Answer 8

.

Question 9

silecingRNAs

Answer 9

.

Question 10

Cis regulation

Answer 10

regulatory factors on the same strand of DNA

Question 11

Trans regulation

Answer 11

regulatory factors coming from a different part of the cell or DNA

Question 12

LacZ reporter gene

Answer 12

Makes B-galactosidase

Question 13

Transcription factor

Answer 13

a protein that binds DNA and regulates gene expression

Question 14

Give 3 examples of Transcription factors

Answer 14

DNA binding domain, Trans-activating domain, protein-protein interaction domain.