Briefly explain why animals that live in very dry climates have the longest nephron loops
What will be an ideal response?
The longer the nephron loop, the greater the concentrating ability of the kidney, thus facilitating the necessary excretion of waste without sacrificing essential water.
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The units of hereditary information are:a
biochemicals. b. genes. c. RNA. d. proteins. e. nucleotides.
Microorganisms that can grow at salt concentrations as high as 15 - 30% are known as:
halotolerant halophiles hypertoniphiles osmophiles
What will occur if a morula divides into three masses of cells?
A) The resulting embryos will develop severe birth defects due to missing genes. B) The resulting embryos will die. C) Normal identical triplets will be born. D) Three distinctly different embryos will develop, depending on which homeoboxes went with which mass of cells. E) The resulting embryos will develop, but they may be missing some organs based on which germ layers were transferred with each section.
Which is not a category of virulence factors?
A) immune system evasion B) nutrient acquisition C) toxins D) attenuation E) adhesion