Midterm-Slide Set 2

Question 1

Define molecular genetics

Answer 1

the study of how genes are turned on and off and how they affect phenotype

Question 2

Who is Rosalind Franklin?

Answer 2

she made the x-rays of DNA structure

Question 3

What are gene-specific transcription factors?

Answer 3

Can activate specific genes

Question 4

What are general transcription factors?

Answer 4

are required to activate all genes

Question 5

What is CREM?

Answer 5

cAMP responsive element modulator, a transcription factor. CREM null mice are infertile

Question 6

What is Western blot?

Answer 6

isolates proteins

Question 7

What are the characteristics of transporting epithelia?

Answer 7

thicker, membrane modifications, cell junctions, mitochondria

Question 8

Define transcytosis

Answer 8

transport of materials through a cell, not released into our out of the cell of origin

Question 9

what is potocytosis?

Answer 9

endocytosis using caveolae

Question 10

What mediates endocytosis?

Answer 10

clathrin receptors

Question 11

Cells of an exchange epithelium are most likely to have which shape?

Answer 11

squamous