Questions

Question 1

does cyanobacterium have gas vacuoles?

Answer 1

they can, but don’t need to have them since light wavelength can travel through water.

Question 2

IS IT CORRECT TO SAY THAT IN PROKARYOTES THE ETC OCCUR IN THE CYTOPLASM?

Answer 2

cell membrane - impermeable to protons ( small but have a charge)

mitochondria - inner (etc) + outer membran

Question 3

Can facilitated diffusion occur in archaea?

Answer 3

yes - prokaryotes and eukaryotes

do they go through group translocation—- yes
do they have pts? no….

Question 4

IS IT CORRECT TO SAY THAT ALL PRIMARY ACTIVE TRANSPORT MECHANISMS REQUIRE THE 3 PROTEINSN - NOT CORRECT

IS IT JUST SPECIFIC TO ATP BINDING CASETTE - YES

Answer 4

Primary active transport - uses ATP AS SOURCE OF ENERGY

ATP BINDING CASSETE/ ABC TRANSPORTER - USES 3 PROTEINS

Question 5

IS MFS PRESENT ONLY IN DOMAIN BACTERIA?

Answer 5

FALSE

Question 6

1) IS THE SYMPORTER MECHANISM ALWAYS LOW TO HIGH CONCENTRATION? FOLLOWING THE ION GRADIENT’S DIRECTION

Answer 6

Y/N

Question 7

do all atypical bacteria have a weak/ no cell wall?

Answer 7

YES - **mycoplasma is an example bc they do not have the genes to make a cell wall.

mycobacterium is not an example of atypical bacteria bc they have the waxy cell wall - mycolic acid - bc we can stain - strong cell wall. strong protection—

Question 8

WHAT IS THE LAST STRUCTURE THAT CAN BE CONSIDERED TO BE PART OF A BACTERIAL ENVELOPE?

Answer 8

s-layer