Hormones produce their effect on target tissue by binding to specific proteins called as

The product of the lengths of the perpendiculars drawn from the point $(-1, 5)$ to the pair of lines $2x^2 - xy - 3y^2 + 6x + y + 4 = 0$ is

If $P = \begin{bmatrix} 1 & \alpha & 3 \\ 1 & 3 & 3 \\ 2 & 4 & 4 \end{bmatrix}$ is the adjoint of a $3 \times 3$ matrix $A$ and $|A| = 4$,then $\alpha$ is equal to

Which of the following is not a fat-soluble vitamin?

Identify the organism shown in the given figure.

Which of the following has the maximum nucleophilicity?