Topic 12

Question 1

individually replicating molecules join together

Answer 1

protocells

Question 2

development of an embryo from an unfertilized egg

Answer 2

Parthenogenesis

Question 3

came from purple bacteria

Answer 3

Mitochondria

Question 4

came from cyanobateria

Answer 4

Choloroplast

Question 5

came from archaea and bacteria

Answer 5

Nucleus

Question 6

those involved in transcription and translation from Archaea

Answer 6

Informational genes

Question 7

those involved in metabolic proc., cell membrane formation and amino acid produced from bacteria

Answer 7

Operational genes

Question 8

first facultative, later became obligate

Answer 8

Endosymbiosis

Question 9

organelles that arose through secondary endosymbiosis

-used as a target for antimicrobals

Answer 9

apicoplasts

Question 10

protists of uncertain relationships (polyphyletic)

-usually solitary but come together as multicellular

Answer 10

slime molds

Question 11

causes the development of the slug

Answer 11

cAMP

Question 12

integrated and indivisible wholes

Answer 12

individuals (Michos)

Question 13

the only cells allowed to reproduce

Answer 13

germ cells

Question 14

for movment and directing water currents-waste and nutrients

Answer 14

Flagella

Question 15

these cells are larger and photosynthetic

Answer 15

germ cells

Question 16

suppresses choloroplast gene, needed for growth

Answer 16

regA

Question 17

expressed as a function of environmental cues

Answer 17

Chlamydomonas homolog

Question 18

was coopted for new function, absorbs flagellum and become more like germ cell

Answer 18

regA

Question 19

blood sucking ectoparasite clings to feet

-responsible for most nest mortalities

Answer 19

swallow bug

Question 20

in general, organisms become more complex. But there are some exceptions…

Answer 20

tapeworms-they don’t need the interior stomach that their ancestors had