#Question id: 3000
#Section 2: General Biology
Mycoplasmas are bacteria that lack cell walls. On the basis of this structural feature, whichstatement concerning mycoplasmas should be true?
#Question id: 290
#Section 2: General Biology
Which of the following is a TRUE statement about ionic bonds in protein structure:
#Question id: 12737
#Section 7: Recombinant DNA technology and Other Tools in Biotechnology
#Question id: 10804
#Section 6: Plant, Animal and Microbial 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: 136
#Section 2: General Biology
The amino acids in polypeptide chains which contain sulfur (S) are