Bio55 lecture one

Question 1

____% of micro organisms are good for us. Less ___% cause problems.

Answer 1

99 and 1

Question 2

What are Resident microbiota?

Answer 2

Beneficial organism that are on us and in us

Question 3

Resident microbiota have benefits like?

Answer 3

Digestion in our digestive tract. They coat the surface of our epidermis.

Question 4

What do the Resident microbiota use the surface of our epidermis for?

Answer 4

They use our epidermis as a nutrients sores.

Question 5

Why are Resident microbiota good for you?

Answer 5

Because they coat the surface of our epidermis they creat compilation for the bad bacteria

Question 6

What is a pathogen?

Answer 6

Is an organism that cause diseases this one is the bad one.

Question 7

Resident microbiota can prevent someone to stop having_______.

Answer 7

Depression

Question 8

Howe do you get resident microbiota?

Answer 8

You have to eat foods with probiotics, yogurt, kimchi, kombucha.

Question 9

Resident microbiota are only called like that’s when they are _____.

Answer 9

Inside of you

Question 10

What are resident microbiota called before they are in you?

Answer 10

Probiotic

Question 11

How do you get resident microbiota on your skin?

Answer 11

When you come out of the birth canal.

Question 12

What should you always take with your antibiotic pill?

Answer 12

Probiotics

Question 13

Yeast is a ________?

Answer 13

Fungus

Question 14

Yeast can survive in an aerobic environment, which means?

Answer 14

They live with O2

Question 14

Yeast can also live in anaerobic environment meaning?

Answer 14

With out O2

Question 15

Yeast when they eat typically ______ they make _______ if there is oxygen.

Answer 15

Sugar, carbon dioxide CO2

Question 16

What happens to the yeast with graph juice in a closed bottle?

Answer 16

If you close the bottle no O2 and yeast in the environment it makes alcohol when they eat the sugar with no CO2.

Question 17

What happens when you put yeast in bread?

Answer 17

The Yeast in bread and expose it to the O2 and it make CO2 which is a gas and it makes gas bubbles and that causes the bread to rise.

Question 18

What did Carol Linnaeus do?

Answer 18

He created the classifications by how they looked like.

Question 19

What is the phylogenetic tree?

Answer 19

It’s a tree shape use it to clasifícate organisms.

Question 20

Today how do we group organisms?

Answer 20

We group them by there genetics. If the genes are the same we group them together.

Question 21

C.diff also known as clostridium difficile, in the name what is the genus and the species?

Answer 21

Clostridium is the genus and difficile is the species

Question 22

Clostridium bacteria can form?

Answer 22

Endospore

Question 23

How do you know if someone has C.diff?

Answer 23

Has diarrhea and it smells bad

Question 24

Why is c.diff hard to treat?

Answer 24

They have endospore, and they are rally hard to kill and cleaning supplies usually do not kill it.

Question 25

What is vertical gene transfer?

Answer 25

This is when bacteria pass genes to each other.

Question 26

What is horizontal gene transfer?

Answer 26

Bacteria can handover genes to other bacterias to help each other out.

Question 27

Every symptom causes a running nose and a fever, how do you know what they have?

Answer 27

We do biochemical test because they are faster and coast less?