Homeostasis: About the level of urine passed from a human

A human drinks 1000 CM3 of distilled water and measures the amount of urine passed at 30 minute intervals. The subject passes 175CM3 at 30 mins, 325CM3 at 60 mins, and 225 CM3 at 90 mins. Why does the subject pass more urine at 60 mins than 90 mins???

Sensory adaptations

Another problem from my text. I cannot find anything in my text that defines this. Discuss the special sensory adaptations that are unique to mammals. Thank you

Reproductive hormones

Please only take this problem if you can complete this in detail. Thank you!!!! List all reproductive hormones produced by the female mammal. Also indicate the following for each: a.Cells that produce the hormones b.Effects the hormones have on reproductive and associated events.

Evolution of the biosphere

I have posted this before with no luck! I am glad to see that everyone that has looked at this is as confused as I am. I am hoping maybe someone out there will understand what this is. Discuss the impact the mammalian grade of organization has had on the evolution of the biosphere. Please do not take this question if you cannot ...continues

marine animal salt water transport process from blood into gland

Some marine animals drink salt water, they excrete the extra salt through glands that produce a salty liquid. what transport process must be involved in moving the salt from the blood and into the gland? does this require energy?

minimum number of enzymes to oxidize a glucose molecule into 2 pyruvic acids

what is the minimum number of enzymes you predict it will take to oxidize a glucose molecule into 2 pyruvic acids? explain why.

chemical composition & manganese solubility (pH) of man. green sand in soil solution.

I have aquired several hundred pounds of manganese green sand and want to know if it is useable as a micronutrient source for plants and under what pH range. I have abd in mechanistic Organic Chem. MS and MS in Horticulture. NOTE: Originally posted in Chemistry - moved to Biology. Admin.

how many CO2 molecules would be produced by a complete breakdown of a trisaccharide

how many CO2 molecules would be produced by a complete breakdown of a trisaccharide? explain BRIEFLY and understandably!! Just need a paragraph explanation please.

Homiothermic adaptations PLEASE HELP!!

Describe homiothermic adaptations that result from the complex interrelationships of organ systems. Please do not take this problem if you cannot give me an indepth answer to this, thank you.

Bioinformatics sequence analysis problem

Calculate the dynamic programming matrix and an optimal alignment for the DNA sequences GAATTC and GATTA, scoring +2 for a match, and -1 for a mismatch, and with a linear gap penalty of d = 2. Please contact me if you need any more information. The textbook that we are using: "Biological sequence analysis: Probabilistic model ...continues