Steps of replication of retrovirus (HIV) in the host cell are given below. Arrange the steps in correct sequence.
(A) Viral RNA is introduced in host cell
(B) New viruses with new RNA are produced
(C) Viral DNA is produced by reverse transcription
(D) Viral DNA incorporates into host genome
(E) Virus infects the normal cell
Choose the correct answer from the options given below:
(

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(E), (A), (C), (D), (B)

(A), (C), (B), (D), (E)

(C), (B), (D), (E), (A)

(B), (D), (A), (C), (E)

Correct Answer

(E), (A), (C), (D), (B)

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Which of the following statements are incorrect?
(A) In bacteria, Bt toxin exists as inactive protoxin
(B) Due to alkaline pH in the gut, the toxin is converted into its active form
(C) The toxin is already present in active form in bacteria
(D) The inactive toxin binds to the surface of midgut and causes cell swelling and lysis.
Choose the correct answer from the options given below :
(