#Question id: 4955
#SCPH06 I Botany
If relatively small carbonaceous chondrites from space were a significant source of Earthʹs original amino acids, then which two of these would have been most important in permitting their organic materials to survive impact with Earth?
I. Carbonaceous chondrites must contain no D-amino acids.
II. Earthʹs early atmosphere must have had little free oxygen.
III. The chondrites must have arrived on Earth before 4.2 billion years ago.
IV. Earthʹs early atmosphere must have been dense enough to dramatically slow the chondrites before they impacted.
V. The chondrites must have impacted land, rather than a large body of water.
#Question id: 15484
#SCPH05 I Biotechnology
#Question id: 835
#SCPH01 Biochemistry
The minor clefts and gullies on the sides of the funnel that will be false energy minima, it represents,
#Question id: 297
#SCPH05 I Biotechnology
The boiling point of water is exceptionally high because
#Question id: 850
#SCPH05 I Biotechnology
The experimental inverse of protein structure prediction, has provided insights into protein folding and stability. Protein design attempts to construct an amino acid sequence that will form a structure such as a sandwich of β sheets or a bundle of α helices;