In phagocytosis
A) a cell membrane engulfs solid particles.
B) a cell membrane engulfs droplets.
C) a particle enters a cell by moving down its concentration gradient.
D) a carrier molecule moves a substance across a cell membrane using ATP.
A
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Answer the following statement(s) true (T) or false (F)
1. Only vowels can function as syllable nuclei. 2. Typically consonants have more acoustic intensity than vowels. 3. The vowel [i] is a high vowel that is unrounded. 4. In the standard pronunciation of General American English, only rising diphthongs are typically produced. 5. There is no difference in the production of diphthongs versus two vowels following one another.
Movement of a substance from an area of higher concentration to one where it is less concentrated is known as
A. equilibrium. B. active transport. C. diffusion. D. facilitation. E. selective transport.
Using Figure 22.2, match the following:
1) Absorptive cells that line the intestinal tract.
2) Cell type specialized to secrete mucus into the lumen of the intestinal tract.
3) Structures that increase the absorptive area of the small intestine.
4) Wide lymph capillary located in the villus.
5) Paneth cells are found here.
___________________ is a highly contagious fungal infection marked by raised, itchy, circular patches with crusts.?
Fill in the blank(s) with correct word