chapter 12A

Question 1

prokaryotes that act as decomposers in extreme environments

Answer 1

archea

Question 2

microscopic organisms

Answer 2

microbes

Question 3

bacteria that protects cell walls and triggers other organism immune systems

Answer 3

peptidoglycan

Question 4

live in hot enviornments

Answer 4

thermophiles

Question 5

largest group of archea: are found in anarobic environments

Answer 5

methanogens

Question 6

found in water saltier than the ocean

Answer 6

halophiles

Question 7

found in acidic conditions: first archea discovered

Answer 7

acidophiles

Question 8

protect bacteria

Answer 8

capsules

Question 9

DNA region of bacteria: made of one circular chromosome

Answer 9

nucleoid

Question 10

thing bacteria uses to move: swings like spider man

Answer 10

flagellum

Question 11

occurs when a bacterium takes in a peice of bacterial Dna

Answer 11

transformation

Question 12

transfer of genetic info from one bacterium to another

Answer 12

transduction

Question 13

method in which a plasmid replicates and is transfered from one bacterium to another by use of pilus

Answer 13

conjugation

Question 14

the DNA collected by microrganism that live one and in an organism

Answer 14

microbiome

Question 15

harmful microbes that only attack during certain conditions

Answer 15

opportunistic pathogens

Question 16

microbial cultures that help prevent the growth of harmful pathogens

Answer 16

probiotic

Question 17

bacteria that get energy from the dead

Answer 17

decomposer

Question 18

getting energy through photosynthesis

Answer 18

autotrophic

Question 19

substance that causes disease

Answer 19

pathogen

Question 20

dont have a nucleaus

Answer 20

prokaryotes

Question 21

have a nucleaus

Answer 21

eukaryotes

Question 22

archaea contain _______ allowing them to survive in extreme environmentss

Answer 22

isoprene