GATE BT 2017 Paper 1 — page 14

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2017 Paper 1

Complete GATE BT 2017 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 40–42 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 14 of 22

An immunocompetent person becomes infected with a pathogenic strain of bacteria. Which one of the following graphs correctly depicts bacterial load in this person over time?

Your answerChoose one option.

Diagram for Biotechnology question 40 (figure 2)

Diagram for Biotechnology question 40 (figure 3)

Diagram for Biotechnology question 40 (figure 4)

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The genome is diploid at the end of which phases of a human mitotic cell cycle?

Your answerChoose one option.

G2 & S

G1 & M

M & S

G1 & G2

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A recombinant protein is to be expressed under the control of the lac promoter and operator in a strain of E. coli having the genotype lac⁺ crp⁺. Even in the absence of inducer IPTG, low levels of expression of the recombinant protein are seen (leak expression). Which one of the following should be done to minimize such leak expression?

Your answerChoose one option.

Addition of lactose to the medium

Removal of all glucose from the medium

Addition of excess glucose to the medium

Addition of allo-lactose to the medium

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2017 · Paper 1

Question 40

Question 41

Question 42