GATE2020: 28

soujanyareddy13 asked in Others Nov 3, 2020 edited Dec 13, 2020 by soujanyareddy13

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Which of the following statements about immune response are $CORRECT$?

$T$ cells are activated by antigen-presenting cells
Foreign peptides are not presented to helper $T$ cells by Class $II$ $MHC$ proteins
Dendritic cells are referred to as professional antigen- presenting cells

$P$ and $R$ only
$P$ and $Q$ only
$Q$ and $R$ only
$P, Q$ and $R$

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soujanyareddy13 asked in Others Nov 3, 2020 edited Dec 13, 2020 by soujanyareddy13

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GATE2020: 21
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GATE2020: 25
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soujanyareddy13 asked in Others Nov 3, 2020

GATE2020: 26
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soujanyareddy13 asked in Others Nov 3, 2020

GATE2020: 27
The $DNA$ sequence shown below is to be amplified by $PCR$: $5{}'$ GCTAAGATCTGAATTTTCC$\dots\dots$TTGGGCAATAATGTAGCGC$3{}'$ $3{}'$ CGATTCTAGACTTAAAAGG$\dots\dots$AACCCGTTATTACATCGCG$3{}'$ Which one of the following pair of primers can be used for this amplification? $5{}'$ ... $5{}'$ GCGCTACATTATTGCCCA$3{}'$ $5{}'$ GCTAAGATCTGAATTTTC$3{}'$ and $5{}'$ TGGGCAATAATGTAGCGC$3{}'$

soujanyareddy13 asked in Others Nov 3, 2020

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