#Question id: 10804
#SCPH05 I Biotechnology
Major types of alkaloids, their amino acid precursors, and well-known examples of each type;
Alkaloid class |
Biosynthetic precursor |
Examples |
A. Pyrrolidine |
i. Lysine |
a. Coniine |
B. Tropane |
ii. Ornithine |
b. Retrorsine |
C. Piperidine |
|
c. Lupinine |
D. Pyrrolizidine |
|
d. Nicotine |
E. Quinolizidine |
|
e. Atropine and Cocaine |
Which of the following combination from the given table is correct?
#Question id: 14491
#SCPH28 | Zoology
#Question id: 814
#SCPH28 | Zoology
Which of the following uncommon amino acids are not found in the proteins?
#Question id: 7766
#SCPH28 | Zoology
The relationship between shortened telomeres and stem cell
depletion has been seen in degenerative diseases such as mouse muscular
dystrophy,
I) When____ is activated by damaged telomeres, DNA replication halts, and if the repair doesn’t work, apoptosis is initiated. If the cell is a stem cell or some other rapidly replicating cell, this will reduce the numbers of cells produced, and the lack of stem cells will produce an “aged” phenotype.
#Question id: 747
#SCPH28 | Zoology
In nucleic acids, the bases are covalently attached to the 1-position of a pentose sugar ring, to form a: