Since epithelial tissues lack blood vessels, nutrients will reach the cells by __________
Fill in the blank(s) with the appropriate word(s).
diffusion
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The evolution of new species
A. always takes millions of years. B. can take place in one generation. C. is a rare event over hundreds of millions of years. D. is not occurring today.
Root nodules contain ______, which can ______.
a) Azotobacter, fix N2 b) Bitrosomonas, nitrify NH3 c) Rhizobia, fix N2 d) Bacillus, denitrify NO3
Several days after a long holiday weekend including much overeating, you try to cut back on your calories. The first day that you reduce your calorie intake to below the levels that you need, your body will respond primarily by using __________.
a. fat from around skeletal muscles b. protein from muscles c. glycogen from the liver d. None of the listed responses is correct. e. All of the listed responses are correct.
A patient suffers from a disease that slows fatty acid synthesis. What is a likely impact of this disease on nervous system function?
A. Improved functioning due to better blood flow B. Improved functioning due to a healthier weight C. Insufficient myelination and slow axon conduction rate D. Weaker action potentials with smaller depolarization