Chapter 4 word quiz

Please tell me the biological molecule that contains nitrogen.

When solution A meet with iodine solution, the mixture becomes blue-black. Therefore, solution A contains ________.

Sucrose is made up of one molecule of ________ and one molecule of glucose.

We could use __________ to test whether there is haemoglobin in a sample.

The positive phenomenon of using ethanol to test fat is called ________________ (HINT: one word).

Our liver could convert glucose into ___________ when there are too much glucose in the blood plasma.

A ____________ is made up of one phosphate group, one sugar and one base.

The only test we've learnt that needs heating is to use ____________ (HINT: name the testing solution).

The solution which might turn to brick-red as a positive result is used to test ____________.

According to the complimentary base pairing, base A is always paired with _____ by the hydrogen bond.