Biology activity, aimed at first-year high school students, with questions developed about the cell membrane.
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SCHOOL: DATE:
PROF: CLASS:
NAME:
1) If red blood cells placed in saline solution become wrinkled, we can say that:
a) Saline solution is isotonic, as it has the same concentration as red blood cells.
b) Saline solution is hypotonic, as it has a higher concentration than red blood cells.
c) Saline solution is hypertonic, as it has a lower concentration than red blood cells.
d) Saline solution is hypotonic, as it has a lower concentration than red blood cells.
e) Saline solution is hypertonic, as it has a higher concentration than red blood cells.
2) The nature of the plasma membrane is:
a) Glycoprotein
b) Starch
c) Lipid
d) Lipoprotein
e) Protein
3) Transport across the plasma membrane, which occurs against the concentration gradient, is called:
a) Diffusion
b) Active transport
c) Cyclosis
d) Osmosis
e) Passive transport.
4) It is called phagocytosis:
a) The movement performed by the cytoplasm.
b) The ingestion of liquid material by the cell.
c) The expulsion of cell waste.
d) The ingestion of solid particles by the cell.
e) The diffusion of solutions across the membrane.
5) Due to the fact that, in the intestinal mucosa, cells have a high absorption capacity:
a) Demossomes.
b) Phagocytotic vesicles.
c) Microvilli.
d) Scourges.
e) Eyelashes.
Per Camila Farias.
At answers are in the header link.
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