biology multiple choice and true or false?

[counterfeit dreamer]

1. The presence of which substance in urine is indicative of kidney problems in a human?
A. glucose
B. protein
C. water
D. salt
2. if a crayfish reabsorbs salt into its body, you would expect it to live in saltwater. true or false?
3. which of the following is an example of passive transport in the kidneys?
A. movement of sodium out of the convoluted tubules into the interstitial fluid
B. reabsorption of water
C amino acids transported out of the convoluted tubules

[Ceecee G]

Its All A Big Conspiracy- Crayfish And Kidneys? Is No One Else Seeing The Signs?

[phill! =)]

1) B. Protein

2) False. and wht tht other girl said is tru.. =P

3) A.

[lime]

B.

False (diffusion)

A.