the bacterial world

Question 1

when did batceria first appear in the geological record

Answer 1

3.6 bya

Question 2

what do all bacterias belong two

Answer 2

all bacteria belong to the kingdom monera

Question 3

what are some of the basic features of bacteria

Answer 3

cell wall, cell surface membrane, cytoplasm and circular chromosome

Question 4

what are all the sizes of bacteria between

Answer 4

they are all between 0.1 - 10 um in size

Question 5

what are some bacteria

Answer 5

some bacteria are pathogenic, meaning that they can cause disease in humans and other organisms.

Question 6

what are antibiotics

Answer 6

antibiotics are drugs that can kill or prevent the growth of bacteria

Question 7

what are antiseptics

Answer 7

Antiseptics are chemicals used to destroy microorganisms on living tissue/body.

Question 8

what are disinfectants

Answer 8

disinfectants are used to destroy microorganisms on non-living surfaces and objects.

Question 9

which bacteria are used to make yoghurt

Answer 9

Lactobacillus and Streptococcus thermophilus

Question 10

what are examples of human explosion of bacteria in current times

Answer 10

yoghurt, cheese , and drug production

Question 11

what is the definition of extremophile

Answer 11

an organism that can survive in extreme conditions, e.g extremes of temperatures or acidity