Structure and function of Cells- Class 2

Question 1

All Cells will undergo ? ( 3 things )

Answer 1

metabolism, growth, evolution

Question 2

as cell increases in size surface area/ volume

Answer 2

decreases

Question 3

limit for a single cell organism

Answer 3

750 micrometer in diameter

Question 4

prokaryote cells

Answer 4

bacteria and archaea, “sac of stuff”

Question 5

eukaryote cells

Answer 5

“sacs with sacs”

Question 6

what is the major phospholipid in bacteria

Answer 6

phosphatidyethanolamine

Question 7

membrane of archaea are the only cell that are cabable of doing what with there membrane

Answer 7

make a single layer membrane

monolayer membrane

Question 8

major differences between membrane of bacteria and archaea? **

Answer 8

linkages**

Question 9

storage of DNA in bacteria

Answer 9

circular double stranded, haploid, packaged with proteins ( H-NS and histone like protein that creates the nucleic)
DNA in the cytoplasm
may contain plasmids

Question 10

DNA in Eukaryotes

Answer 10

diploid, packaged with histones to form chromosones, DNA in the nucleus,

Question 11

prokaryotes ribosomes are called

Answer 11

70S ribosomes

Question 12

eukaryotes ribosomes are called

Answer 12

80S

Question 13

What does S stand for

Answer 13

Svedberg unit

Question 14

Svedberg unit

Answer 14

describes the rate of sedimentation of a particle in an ultracentrifuges

Question 15

Euchromatin

Answer 15

losely packed and active

Question 16

Heterochromatin

Answer 16

densely packed and bc of that low levels of transcription

Question 17

mitochondria have 70S ribosomes

Answer 17

they can make there own proteins ( same as chloroplasts)

Question 18

thylakoids

Answer 18

contain enzymes and pigments that harvest light energy

releasing electrons in water to oxygen

Question 19

intermediate filaments have

Answer 19

keratin, desmin and vimentin

Question 20

microtubles function

Answer 20

highway fo r transport of oraneslles and vesicles around the cytoplasm

Question 21

what are the two proteins that walk on microtubules

Answer 21

kinesin and dynein

Question 22

cilian and flagella

Answer 22

9 sets of microtubules duplets
9+2 construction
covered by the plasma membrane