A woman suffering from severe dehydration goes into the hospital. The doctor tells the woman that her blood has far too much solute in it and not enough water. Explain how this condition could affect the cells of her body and why
What will be an ideal response?
This could make the cells of her body lose their water by osmosis. The water in the cells will rush out, trying to equilibrate the higher-than-normal solute level outside the cells.
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Phycobiliproteins are
A. found in purple sulfur bacteria. B. found in cyanobacteria. C. used to gather wavelengths of light that are not well absorbed by chlorophyll. D. are used to reduce hydrogen sulfide. E. found in cyanobacteria AND used to gather wavelengths of light that are not well absorbed by chlorophyll.
What prevents a glucose molecule from moving back through a glucose transporter and leaving the cell?
a. phosphorylation b. charge c. closed transporters d. gated transporters e. concentration gradient
The manipulation of genetic material for human purposes, the practice of ________, began almost as soon as we began to understand the language of DNA
Fill in the blank(s) with correct word
Typically, acetylation of histone tails leads to __________
A) removal of the protein components of the chromatin from the DNA B) relaxed packaging of the chromatin and increased transcription C) tighter packaging of the chromatin and reduced transcription D) increased amounts of euchromatin relative to heterochromatin E) activation of topoisomerase