#Question id: 8852
#SCPH06 I Botany
The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the corresponding bones in whales have very different shapes and proportions. However, genetic data suggest that all three kinds of organisms diverged from a common ancestor at about the same time. Which of the following is the most likely explanation for these data?
#Question id: 744
#SCPH01 Biochemistry
In a DNA molecule, deoxyribonucleotides are joined into a polymer by the covalent linkage of a phosphate group. The covalent link termed as:
#Question id: 1642
#I Life Science/ Life Sciences Group – I-V
Which cell type produces antibodies?
#Question id: 4594
#SCPH06 I Botany
Which one of the following observations did Darwin first make during his discovery of evolution?
#Question id: 3858
#SCPH28 | Zoology
The 5' methyl guanosine caps added during RNA chain elongation performs what function?
1. prevents degradation by nucleases
2. are recognized by protein factors
3. are used to identify the type of RNA