#Question id: 11377
#SCPH28 | Zoology
Which one of the following statements is correct?
#Question id: 8294
#SCPH28 | Zoology
The common ancestors of birds and mammals were very early (stem) reptiles, which almost certainly possessed three-chambered hearts (two atria, one ventricle). Birds and mammals, however, are alike in having four-chambered hearts (two atria, two ventricles). The fourchambered hearts of birds and mammals are best described as ________.
#Question id: 3656
#SCPH01 Biochemistry
In nucleotide excision repair, an endonuclease makes nicks on either side of the lesion.
#Question id: 15615
#SCPH01 Biochemistry
#Question id: 672
#I Life Science/ Life Sciences Group – I-V
An ideal α-helix has a pitch of 0.54 nm and a rise of 0.15 nm. What is the length along the helix axis for a segment of an ideal α-helix that contains 30 amino acids?