#Question id: 6958
#I Life Science/ Life Sciences Group – I-V
Vg-1 and wnt are used in both frogs and chicks to establish a body axis, although in chicks this is the antero-posterior axis instead of the dorso-ventral axis. What is the region of the chick embryo that is thus analogous to the Nieuwkoop center?
#Question id: 4762
#SCPH12 I Genetics
a semilethal allele is an example of which of the following extensions of mendelian genetics?
#Question id: 6953
#SCPH01 Biochemistry
Maternal factors are:
#Question id: 286
#SCPH12 I Genetics
________ catalyze the hydrolysis of phosphodiester linkages to release nucleotide residues from only one end of a polypeptide chain.
#Question id: 2640
#SCPH01 Biochemistry
Which of these properties do not agree with trp operon attenuator?