#Question id: 31100
#Unit 2. Cellular Organization
#Question id: 11808
#Unit 6. System Physiology – Plant
In addition to the free bases, which are the only active
forms, active cytokinin levels are decreased through;
a) Addition of sugar molecule to the 3, 7, or 9 nitrogen of
the purine ring, called glycosylation-mediated inactivation
b) cis-trans isomerisation of zeatin
c) Irreversible cleavage by cytokinin oxidases.
Which of the following is incorrect?
#Question id: 4902
#Unit 8. Inheritance Biology
Leber hereditary optic neuropathy (LHON) is mitochondrial diseases present in family. Which of the following observation is correct?
#Question id: 11350
#Unit 10. Ecological Principles
Which of the following adaptations has been exploited by at least one kind of parasite to circumvent the immune system of its host?
#Question id: 1098
#Unit 4. Cell Communication and Cell Signaling
Which of the following is the most plausible explanation for why an animal cell would be unable to reduce the Ca2+ concentration in its cytosol compared with the extracellular fluid?