Which of the following glands is associated with the occurrence of sarcoma-type cancer?

The technique used to make numerous copies of a specific segment of $DNA$ quickly and accurately is

In a potentiometer experiment,the balancing length for a cell is $240 \ cm$. When a resistance of $2 \ \Omega$ is connected in parallel with the cell,the balancing length becomes $120 \ cm$. The internal resistance of the cell is ................. $\Omega$.

If the normal to the curve $y(x) = \int_0^x (2t^2 - 15t + 10) dt$ at a point $(a, b)$ is parallel to the line $x + 3y = -5$,where $a > 1$,then the value of $|a + 6b|$ is equal to...........

Variable number of tandem repeats $(VNTRs)$ in the $DNA$ molecule are highly useful in:

The integrating factor of the differential equation $x \log x \frac{dy}{dx} + y = 2 \log x$ is given by