#Question id: 768
#I Life Science/ Life Sciences Group – I-V
MicroRNAs are important gene regulators, but the miRNAs are also regulated in turn by other RNAs. Which, if any, of the following classes of RNA are not known to contain RNAs that regulate miRNAs?
#Question id: 4742
#SCPH12 I Genetics
In birds, sex is determined by a ZW chromosome scheme. Males are ZZ and females are ZW. A recessive lethal allele that causes death of the embryo is sometimes present on the Z chromosome in pigeons. What would be the sex ratio in the offspring of a cross between a male that is heterozygous for the lethal allele and a normal female?
#Question id: 15864
#SCPH05 I Biotechnology
#Question id: 3644
#SCPH05 I Biotechnology
In replication: soon after synthesis, the DNA fragments are joined to make one continuous piece of DNA by the enzyme:
#Question id: 2606
#SCPH01 Biochemistry
Activity of trp operon is taken as a measurement of ;