which of these is a prokaryote?

• virus

• bacteria

• protozoa

• fungus

which of these is used to make yogurt?

• yeast

• fungi

• bacteria

• protozoa

which of these should we do when making a streak plate?

• wash hands before starting

• wear gloves

• use sterile instruments

• seal the agar plate with tape at the end

Viruses make us sick by damaging our ............when reproducing

when we make yogurt first we sterilise the milk because

• we have to warm it up

• we want to change the proteins

• we need to get rid of microbes that may compete with the useful bacteria

• so that it tastes different

antobiotics are used to

• kill viruses

• kill bacteria

• kill protozoa

• kill yeast

which of these disease are caused by a virus?

• HIV

• chickenpox

• ebola

• malaria

a bacteriostatic product will.....

• kill bacteria

• stop bacteria from multiplying

• get rid of fungi

• kill viruses

when we take antibiotics we should.....

• finish the course

• never give them to someone else

• only take them if we have a bacterial infection

• take as many as possible

some ........................are useful to humans as they live in our gut and help us digest food