#Question id: 3849
#Unit 3. Fundamental Processes
Which of the following is short 20 to 22-nucleotide single-stranded RNAs that block the expression of complementary or partially complementary mRNAs.
#Question id: 12028
#Unit 7. System Physiology – Animal
#Question id: 2607
#Unit 2. Cellular Organization
The precursor amino acid + enzyme of trp is ;
#Question id: 11405
#Unit 10. Ecological Principles
Vulnerability to extinction can be linked to species
following characteristics. Which of the following statement are correct?
A. Endemism species are more prone to extinction than fragmented
B. Species that are capable of migrating between fragments of habitat, such as between mainland areas and islands, may be more resistant to extinction
C. Population variability species are less prone to extinct
D. Species with naturally long life spans may be more likely to become extinct
#Question id: 4131
#Unit 3. Fundamental Processes
Aminoacyl-tRNA synthetases (amino acid activating enzymes):