Why does extended hypoglycemia (low blood sugar) lead to confusion and difficulty thinking?

A. Unregulated pH of body fluids causes these symptoms.
B. Glucose provides energy for brain cells.
C. Glucose is required for chemical reactions in the body.
D. Glucose is major source of energy for non-nervous system cells.


B. Glucose provides energy for brain cells.

Biology & Microbiology

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Halogen-containing organic compounds persist in the environment for approximately five years

a. True b. False Indicate whether the statement is true or false

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Produces parenchyma, collenchyma, and sclerenchyma cells. 

 Choose the letter of the best match: A. protoderm B. vascular cambium C. apical meristem D. procambium E. ground meristem

Biology & Microbiology

A chemical compound, regardless of its source (either natural or synthetic), that is capable of killing or inhibiting microorganisms is referred to as:

an antimicrobial an antibiotic a chemosynthetic agent semisynthetic

Biology & Microbiology

Which of the following prokaryotic cells contain an outer membrane?

A. Gram-negative bacteria only B. Gram-positive bacteria only C. both Gram-positive and Gram-negative bacteria D. archaea E. all prokaryotes

Biology & Microbiology