What kind of cell junctions allow rapid flow of substances into the cytoplasm of adjacent cells?
A) plasmodesmata and gap junctions
B) adhering junctions and tight junctions
C) tight junctions and plasmodesmata
D) gap junctions and adhering junctions
Answer: A) plasmodesmata and gap junctions
You might also like to view...
Select the pair in which the nitrogenous waste is INCORRECTLY matched with the benefit of its excretion.
A. urea: low toxicity relative to ammonia B. uric acid: can be stored and excreted as a precipitate C. ammonia: very soluble in water D. uric acid: minimal loss of water when excreted E. urea: very insoluble in water
Kelps cannot live in water warmer than ____° C
a. 10 b. 20 c. 30 d. 40 e. 50
If a cell contains centrioles, which type of cell must it be?
a. an animal cell b. a prokaryotic cell c. a plant cell d. a fungal cell
Hypoxic conditions __________
a) can promote the migratory properties of cancer cells, causing the spread of a tumor b) cause cancer cells to activate a transcription factor called HIF c) all of the choices are correct d) can cause cancer cells to induce the formation of new blood vessels