Some of the genes from viruses introduced into plants in fully functional form often exhibit Mendelian inheritance because
A. The genes are stably integrated in chromosomes
B. The genes are stably maintained in vectors
C. The genes are co-expressed with chromosomal genes
D. The genes are not interrupted by introns
Answer: Option A
RNA is very much susceptible to hydrolysis in alkali because
A. It contains uracil residues in its structure
B. its 2'-OH group participate in intramolecular cleavage of phosphodiester backbone
C. Cleavage occurs in the glycosylic bonds of purine bases
D. Cleavage occurs in the glycosylic bonds of pyrimidine bases
A. Binding of the rho protein upstream of the termination element
B. No protein factors and only RNA secondary structure and run of 'U's
C. Presence of UGA or UAA stop codons
D. Binding of accessory factors at termination signal
A. Both (A) and (R) are true and (R) is the correct reason for (A)
B. Both (A) and (R) are true and (R) is not the correct reason for (A)
C. (A) is false but (R) is true
D. (A) is true but (R) is false
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