______________ helps us digest our food and convert it into simple form.
Food preservation can not be done by
What is an antibiotic?
What do bacteria and viruses have in common?
Yeast is used for making bread. Yeast is a
Which statement is NOT true?
1. Which of the following reproduces only inside a host cell?
Pasteurization is a
Bacteria is known as ______________ in an ecosystem when feeding on dead organisms.
This microorganism uses host cells to make copies of itself