Mol Bio

Question 1

These RNAs function in nucleus to splice pre mRNA

Answer 1

small nuclear RNAs

Question 2

These RNAs help process rRNAs

Answer 2

SnoRNA

Question 3

These RNAs regulate expression by blocking translation of mRNAs causing their degredation

Answer 3

MiRNA

Question 4

These RNAs turn off expression by degrading mRNAs establishing compact chromatin

Answer 4

siRNA

Question 5

What must be released from the promoter complex of RNA polymerase before elongation can begin

Answer 5

Sigma factor

Question 6

Carrier to get things into/ out of nucleus

Answer 6

Ran-GTP (inside), Ran-GDP (cytosolic)

Question 7

What mt membrane translocator inserts beta barrel proteins into the outer membrane

Answer 7

SAM

Question 8

What mt membrane translocator inserts proteins into the inner membrane

Answer 8

OXA

Question 9

Along with a signal peptide, what is required to direct ribosomes to the ER

Answer 9

SRP: signal recognition particle

Question 10

The SRP directs. Proteins to the Er and is. Rod shaped with a hydrophobic pocket lined with what AA residue

Answer 10

Methionine

Question 11

Mechanism by which budding of vesicle formation occurs

Answer 11

Clathrin coating

Question 12

Cells. Fated to develop despite change in environment

Answer 12

Determined

Question 13

Cells change rapidly due to. Alterations. In environment

Answer 13

Completely undetermined

Question 14

Cells that have some attributes of cell type but can change with environment

Answer 14

Committed