Introduction

Question 1

How many years has the Earth existed?

Answer 1

4.6 billion years

Question 2

When did cellular life become present in the Earth?

Answer 2

3.8 billion yrs ago

Question 3

How many microbial cells are there estimated to be on Earth?

Answer 3

5*10^30

Question 4

What are the three domains of life?

Answer 4

Archaea, bacteria, and eukarya

Question 5

Which characteristics are different between prokaryotes and eukaryotes?

Answer 5

Cell wall, nucleus/DNA structure, Organelle number, reproduction

Question 6

What does pathogenic mean?

Answer 6

Causes disease

Question 7

Are most microbes in the body pathogenic?

Answer 7

No

Question 8

By how many times is the genetic potential of organisms in our gut greater than our genome?

Answer 8

100x

Question 9

What condition is observed when symbiotic microbial equilibriums fail?

Answer 9

dysbiosis

Question 9

What is the potential consequence of one microbe taking over the whole community in the body?

Answer 9

pathogenesis