Which of the following are types of small-scale mutations?
put the things in order plz.

1. insertion

2. substitution

3. deletion

im in k12 !

compost can be added to topsoil as a:

pesticide

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.