Injuries to cartilage generally heal quickly because of the rich blood supply to this tissue.
a. true
b. false
Answer: b. false
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Cilia and flagella are comprised of a(n) ________ connected to a(n) ________.
Fill in the blank(s) with the appropriate word(s).
The organelle that contains chlorophyll a and carries out photosynthesis in plants is the
A. central vacuole. B. cell membrane. C. Golgi body. D. mitochondrium. E. chloroplast.
For a donor organ not to be rejected by the recipient:a
the MHC complexes should be compatible. b. the recipient's plasma cells would be inactivated. c. the recipient's passive immunity pathway would be activated. d. the NK cells of the recipient would be inactivated. e. the cytotoxic T cells would be inactivated.
The G2 cell cycle checkpoint detects
a. the binding of the MCM proteins to origins of replication. b. chromosome misalignment. c. unreplicated or damaged DNA. d. levels of p53.