GATE2020: 29

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

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Which of the following statemets are $CORRECT$ about eukaryotic cell cycle?

$CDKs$ can phosphorylate proteins in the absence of cyclins
$CDKs$ can be inactivated by phosphorylation
Degradation of cyclins is required for cell cycle progression
$CDKs$ are not involved in chromosome condensation

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

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

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soujanyareddy13 asked in Others Nov 3, 2020

GATE2020: 21
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soujanyareddy13 asked in Others Nov 3, 2020

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soujanyareddy13 asked in Others Nov 3, 2020

GATE2020: 22
To facilitate mass transfer from a gas to a liquid phase, a gas bubble of radius $r$ is introduced into the liquid. The gas bubble then breaks into $8$ bubbles of equal radius. Upon this change, the ratio of the interfacial surface area to the gas phase volume for the system changes from $3/r$ to $3n/r$. The value of $n$ is _____________________.

soujanyareddy13 asked in Others Nov 3, 2020

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numerical-answers

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soujanyareddy13 asked in Others Nov 3, 2020

GATE2020: 25
A variable $Y$ is a function of $t$. Given that $Y\left ( t=0 \right )=1$ and $Y\left ( t=1 \right )=2,\dfrac{dY}{dt}$ in the interval $t=\left [ 0,1 \right ]$ can be approximated as _________________.

soujanyareddy13 asked in Others Nov 3, 2020

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numerical-answers
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soujanyareddy13 asked in Others Nov 3, 2020

GATE2020: 26
A block of ice at $0 \:^{\circ}C$ is supplied heat at a constant rate to convert ice to superheated steam. Which one of the following trajectories correctly represents the trend of the temperature of the system with time? Assume that the Specific heat of $H_{2}O$ is not a function of temperature.

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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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