Exam 2

Question 1

Ti Plasmid

Answer 1

bacterial genetic material that is transferred that resides on an extra-chromosomal element in the bacteria

Question 2

T-DNA

Answer 2

portion of the Ti plasmid transferred to the plant

Question 3

promoter

Answer 3

upstsream control sequence

Question 4

auxins and cytokinins

Answer 4

plant hormones

Question 5

opines

Answer 5

food source for agrobacterium cells living in plant system

Question 6

primary structure

Answer 6

amino acid sequence of protein

Question 7

acid phosphattase

Answer 7

enzyme

Question 8

rate of reaction

Answer 8

substrate converted (moles)/time

Question 9

p-nitrophenol

Answer 9

product

Question 10

activation energy

Answer 10

amount of energy that must be imparted to the reacting molecules in order to permit them to react

Question 11

Arrhenius equation

Answer 11

log (v2/v1) = (Ea/4.6) (1/T1-!/T2)

Question 12

van’t Hoff equation

Answer 12

log Q10 = (10/[T2-T1]) (log[v2/v1])

Question 13

Q10

Answer 13

temperature coefficient- how much reaction rate goes up per 10 degree increase in temperaturre

Question 14

Vmax

Answer 14

rate at saturation

Question 15

Km

Answer 15

substrate concentration at 1/2 Vmax

Question 16

competitive inhibitor

Answer 16

bind reversibly to enzyme and prevent it from binding to substrate

Question 17

do competitive inhibitors have impact on Vmax?

Answer 17

no

Question 18

do competitive inhibitors have impact on Km?

Answer 18

yes, they raise it.

Question 19

un-competitive inhibiror

Answer 19

reversibly bind to enzyme:substrate complex but not to the free enzyme

Question 20

do un-competitive inhibitors have impact on Vmax?

Answer 20

yes, they reduce it

Question 21

do un-competitive inhibitors have impact on Km?

Answer 21

yes, they reduce it