Can You See This Forbidden Color?

Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room? Explain.

"You had better not to try and feed the animals in the zoo, it is forbidden." Identify which part of the sentence has an error and select the appropriate option: a) You had better not to try b) in the zoo c) and feed the animals d) it is forbidden

You can see bright orange coloured bands of RNA in an ethidium bromide stained gel exposed to

At absolute zero temperature the forbidden gap of conductor is