#Question id: 2125
#XL - T Zoology
The shortest alpha helix segment in a protein that will span a membrane bilayer has about _____ amino acid residues.
#Question id: 4744
#XL - R Botany
Assume that long ear lobes in humans are an autosomal dominant trait that exhibits 50% penetrance. A person who is heterozygous for long ear lobes mates with a person who is homozygous for normal ear lobes. What is the probability that their first child will have long ear lobes.
#Question id: 28139
#XL - U Food Technology
Chocolate liquor is a
#Question id: 12671
#XL - R Botany
#Question id: 9617
#XL - S Microbiology
The common ancestors of birds and mammals were very early (stem) reptiles, which almost certainly possessed 3-chambered hearts (2 atria, 1 ventricle). Birds and mammals, however, are alike in having 4-chambered hearts (2 atria, 2 ventricles). The 4-chambered hearts of birds and mammals are best described as