You see acid-fast oocysts in a fecal sample from a patient who has diarrhea. What is the MOST likely cause?
A) Cryptosporidium
B) diatoms
C) Entamoeba
D) Giardia
E) Taenia
A
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Lysosomes are considered to be part of the endomembrane system because they _____
A) deposit end products of digestion in the endoplasmic reticulum B) facilitate movement between stacks of the Golgi C) are formed from products synthesized by the endoplasmic reticulum and processed by the Golgi D) are composed largely of phospholipids
What type of specialized stem do plants such as irises and grasses possess?
a. cladodes b. bulbs c. tubers d. rhizomes e. corms
What is the energy of a photon first used to do in photosynthesis?
What will be an ideal response?
After being fed glucose, a cell increases its intracellular glucose concentrations by
A. increasing membrane glucose transporters. B. decreasing glucose breakdown in the cell. C. increasing glucose synthesis in the cell. D. increasing membrane glucose receptors. E. decreasing glucose receptors on the cell.