more final

Question 1

symport

Answer 1

two molecules one direction

Question 2

antiport

Answer 2

two molecules two directions

Question 3

uniport

Answer 3

one molecule one direction

Question 4

freshwater has what type of regulation

Answer 4

hyperosmotic

Question 5

seawater has what type of regulation

Answer 5

hyposomotic

Question 6

elasmobranch urea absorption

Answer 6

Na+ is urea co transporter
reabsorption of almost all filtered urea

Question 7

three major strategies of ion an osmoregulation in sharks

Answer 7

1. retain solutes (gills, kidney, urea reab)
2. do not drink
3. special secreting gland

Question 8

major strategies of ion and osmoregulation in teleosts and lampreys

Answer 8

1. impermeable tegument
2. drink salt water
3. active Na+ and Cl- extrusion via saltwater monocytes
4. kidneys role limited to excretion of toxic

Question 9

osmoconformer

Answer 9

blood is isosmotic with seawater