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Which of the following selectable marker genes is/are used for herbicide tolerance during genetic transformation of plants?
(A) hpt
(B) bar
(C) nptII
(D) pmi
Which of the following plant diseases is/are caused by nematode?
(A) Cereal cyst of barley
(B) Ergot of rye
(C) Wart of potato
(D) Ear-cockle of wheat
Which of the following plant natural products is/are cyanogenic glycoside(s)?
(A) Linustatin
(B) Limonene
(C) Luteolin
(D) Linamarin
Which of the following tissue types is/are established during embryogenesis in wild-type Arabidopsis thaliana?
(A) Shoot apical meristem
(B) Rosette leaf primordium
(C) Procambium
(D) Lateral root primordium
The collateral and open type of vascular bundle with endarch xylem strand is usually found in
(A) monocot stem
(B) dicot stem
(C) monocot root
(D) dicot root
Which one of the following plant families does apple (Malus domestica) belong to?
(A) Rosaceae
(B) Rutaceae
(C) Rubiaceae
(D) Ranunculaceae
A 5250 base-pair long plasmid with 10 negative supercoils would have a linking number of __________, considering 10.5 base pairs per turn for B DNA.
In Michaelis-Menten’s equation, if [S]=15Km[S] = 15 K_m, then the ratio v0Vmax\frac{v_0}{V_{max}} is __________.
Factor H, a complement regulatory protein in plasma, binds C3b and
(A) competes with factor B to displace Bb from convertase.
(B) initiates the catabolism of C3b into inactive products.
(C) then binds to C3bBb convertase.
(D) acts as a cofactor for factor I.
Which one or more of the following statements correctly describe(s) the changes upon the addition of puromycin during eukaryotic translation?
(A) Puromycin resembles the aminoacyl end of the charged tRNA.
(B) Puromycin occupies the A site of the translating ribosomes.
(C) Puromycin occupies the P site of the translating ribosomes.
(D) Puromycin occupies the E site of the translating ribosomes.
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