How to Use "mould" with Example Sentences

1. Such oil can contain carcinogens and toxic mould .
2. A single spore can quickly spread and form a mould .
3. Each flask contains enough mould to produce a single dose of penicillin .
4. During this process of growth the mould exudes peniciliin into the growth solution .
5. The mould could be using the transposons to maintain the diversity of its weapons arsenal , he suggests .