#Question id: 18392
#SCPH05 I Biotechnology
#Question id: 10809
#SCPH06 I Botany
Sieve element sap is rich in sugars and other organic molecules, These molecules represent an energy investment for the plant. How their loss be prevented when sieve elements are damaged?
#Question id: 30
#SCPH05 I Biotechnology
Amongst the following chemical elements that are essential to organisms, which of the following set of elements have an atomic number above that of selenium?
#Question id: 15634
#SCPH01 Biochemistry
#Question id: 4954
#SCPH06 I Botany
If natural selection in a particular environment favored genetic systems that permitted the production of daughter ʺcellsʺ that were genetically dissimilar from the mother ʺcells,ʺ then one should expect selection for
I. polynucleotide polymerase with low mismatch error rates.
II. polynucleotide polymerases without proofreading capability.
III. batteries of efficient polynucleotide repair enzymes.
IV. polynucleotide polymerases with proofreading capability.
V. polynucleotide polymerases with high mismatch error rates.