Biomolecules — BIOLOGY STD 11 Science — Question

In the process of mitotic division during interphase, chromosome material remains in the form of very loosely coiled threads called

It can cause vasodilation.

Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth

Assertion : Lub is a heart sound which is produced during each cardiac cycle.
Reason : It is associated with the closure of the tricusp and bicuspid valves.

Which of the following is not found in an eukaryotic nucleus:

The cervical vertebrae are characterised by the presence of

Most diverse macromolecules, found in the cell both physically and chemically are:

Which of the following statements are true for ciliary movements?

ECG records:

Secondary growth or increase in diameter is due to