Which of the following describes the functions of the liver? I. It cleans the blood by removing wastes and harmful substances.
II. It helps with digestion of food.
III. It produces bile.

I and II
I and III
II and III
I, II, and III

No links and please actually think about answer.

Me with this i need to get the answer quickly.

During a formal discussion in his science class, kai will be speaking about the important of exercise. what is the best advice he can follow to be a prepared speaker

In many ways, the regulation of the genes of a particular group of viruses will be similar to the regulation of the host genes. therefore, which of the following would you expect of the genes of a bacteriophage? a) regulation via acetylation of histonesb) positive control mechanisms rather than negativec) control of more than one gene in an operond) reliance on transcription activators