#Question id: 29436
#Unit 6. System Physiology – Plant
#Question id: 11735
#Unit 6. System Physiology – Plant
In cytokinin biosynthesis is the addition of the isopentenyl
side chain from DMAPP to an adenosine moiety. The plant and bacterial IPT
enzymes differ substrate used;
a) the bacterial enzyme utilizes AMP
b) the plant enzyme appears to utilize AMP
c) the bacterial enzyme utilizes both ADP and ATP
d) the plant enzyme appears to utilize both ADP and ATP
#Question id: 1346
#Unit 4. Cell Communication and Cell Signaling
Although the protein families that comprise the ECM are very different, they have one of the following characteristics in common:
#Question id: 7274
#Unit 5. Developmental Biology
The
following experiment is designed to study the role of several hormones in the
regulation of metamorphosis in frogs.
Group # |
Treatment |
Days
to Metamorphosis |
1 |
Saline |
30 |
2 |
Prolactin |
> 100 |
3 |
TSH |
15 |
4 |
Thyroxine |
10 |
5 |
Corticosterone |
30 |
6 |
Thyroxine
+ Corticosterone |
5 |
7 |
Prolactin + TSH |
30 |
8 |
Thyroid gland
removed |
> 100 |
#Question id: 10349
#Unit 6. System Physiology – Plant
Elevated plastid levels of glutamine stimulate the activity of glutamate synthase (also known as glutamine:2- oxoglutarate aminotransferase, or GOGAT). Given below some of the statements about GOGAT, which one of the following is incorrect?