monera (bacteria)

Question 1

micro organisms

Answer 1

small living things that can be seen individually

Question 2

structure of bacteria x3

Answer 2

1. surrounded by cell membrane
2. has mesosomes
3. cell wall made of sugars and protein

Question 3

bacterial types x3

Answer 3

1. rod
2. round
3. spiral

Question 4

binary fission

Answer 4

1. asexual reproduction
2. organism duplicates
3. then divides with each having a copy of the dan

Question 5

autotrophs + definition

Answer 5

makes own food
photosynthetic (have chlorophyll)
chemosynthetic (use energy)

Question 6

heterotrophs + definiton

Answer 6

takes in food
saprophytes (dead)
parasite (live)

Question 7

factors affecting growth x5

Answer 7

1. temp (20-30)
2. oxygen
3. ph (7)
4. external solutes con ( ex ^ water move out )
5. high pressure

Question 8

benefits of bacteria

Answer 8

lactobacillus (milk)
e coli (insulin)

Question 9

disadvantage of bacteria

Answer 9

food poison

Question 10

definition of antibiotics

Answer 10

chemicals produced by micro organisms that stop growth / kill other m-o w/o damaging human tissue

Question 11

disadvantage of antibiotics

Answer 11

abuse leads to antibiotic resistant bacteria

Question 12

growth curve x5

Answer 12

lag (adapt)
log (reproduce)
stationary (slow growth)
decline (death)
death/survival (not all die)

Question 13

batch culture

Answer 13

fixed amt of sterile nutrients added at the beginning to m-o as bioreactor . nutrients are used up and products are formed (short)

Question 14

continuous flow culture

Answer 14

nutrients are constantly fed to bioreactor at same time culture medium is withdrawn (long)