Which of the following organic molecules contains a free carboxyl group on its hydrolysis ?

1-Phospholipids and polysaccharides.

2-Phospholipids and proteins.

3-Polysaccharides only.

4-Proteins only.

The deserts of the sahara and australia are associated with

In one or two well-crafted paragraphs in your laboratory journal, summarize the process in which normal cells become cancer cells. your paragraph(s) must include each of the terms listed below. underline each term in your writing:

Suppose you are provided with an actively dividing culture of e. coli bacteria to which radioactive thymine has been added. what would happen if a cell replicates once in the presence of this radioactive base?