#Question id: 5765
#Unit 8. Inheritance Biology
How many different trisomics could be formed in a plant with a diploid number of 12?
#Question id: 885
#Unit 1. Molecules and their Interaction Relevant to Biology
The half-lives of many cytoplasmic proteins vary with the identities of their N-terminal residues via the N-end rule.
a) Proteins with the “destabilizing” N-terminal residues contain Asp, Arg, Leu, Lys, and Phe with their half-lives > 2 to 3 hours
b) Proteins with the “destabilizing” N-terminal residues with their half-lives of only 2 to 3 minutes contain; Asp, Arg, Leu, Lys, and Phe
c) Proteins contain Ala, Gly, Met, Ser, Thr, and Val have half-lives of >10 hours are stabilizing N-terminal residue in prokaryotes
d) Those with the “stabilizing” N-terminal residues Ala, Gly, Met, Ser, Thr, and Val have half-lives of >20 hours in eukaryotes
Which of the following is correct?
#Question id: 1233
#Unit 4. Cell Communication and Cell Signaling
Transphosphorylation (cross-phosphorylation) of receptor tyrosine kinases
a. inhibits catalytic activity.
b. promotes transphosphorylation of additional tyrosine residues.
c. triggers release of the ligand.
d. generates binding sites for signaling molecules.
#Question id: 16317
#Unit 7. System Physiology – Animal
#Question id: 2628
#Unit 2. Cellular Organization
Choose true statement about lac repressor;