#Question id: 9210
#SCPH28 | Zoology
Overharvesting encourages extinction and is most likely to affect ________.
#Question id: 15233
#SCPH01 Biochemistry
#Question id: 804
#SCPH05 I Biotechnology
With respect to microRNAs, which, if any, of the following statements, is false?
a) A microRNA normally works by binding to perfectly complementary sequences within an RNA transcript, usually an mRNA.
b) Like the great majority of mRNAs an miRNA is usually produced as a larger precursor RNA that is capped and has a 3’ poly(A) tail.
c) The precursor miRNA undergoes different types of post-transcriptional cleavage by endoribonucleases that are specific for double-stranded target sequences.
d) A nuclear endoribonuclease called dicer cleaves the miRNA precursor so that it forms a stem-loop RNA.
#Question id: 2925
#SCPH01 Biochemistry
Mitotic cyclin levels in early Xenopus embryos are regulated by:
#Question id: 11483
#SCPH28 | Zoology
Experiments with genetically altered mice showed that the mice would consume abnormally high amounts of bitter-tasting compounds in water after their ________.