#Question id: 27757
#Research Methodology
A ________ refers to some difficulty that a researcher experiences in either a theoretical or practical situation
#Question id: 4911
#SCPH28 | Zoology
Neutral petite mutations:
#Question id: 755
#I Life Science/ Life Sciences Group – I-V
Enzymes that regulate the process of supercoiling termed as;
#Question id: 4161
#SCPH01 Biochemistry
The link between an activated amino acid and tRNA is an __ bond between the __ of the amino acid and a hydroxyl group of the tRNA.
#Question id: 4742
#SCPH01 Biochemistry
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?