Which one type of cells is responsible for producing and releasing antibodies?
A) red bone marrow
B) B lymphocytes
C) T lymphocytes
D) macrophages
E) natural killer cells
B
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Which of the following are consequences of anaerobic respiration? (Check all that apply.)
A. Some bacteria may cause denitrification. B. Some bacteria are able to perform nitrogen fixation. C. Bacteria are able to reduce the levels of NO3 ¯ in sewage plant effluents. D. Some bacteria are able to readily survive in both well-oxygenated as well as anoxic environments.
Which of the following communication signals is
mismatched? a. tactile; honeybees b. acoustical; frogs c. visual; baboons d. chemical; honeybees e. chemical; fireflies
A normal gene that codes for proteins involved in cell division is a(n) ____
Chapter 22 - Genes and Disease - Cancer Copyright Cengage Learning. Powered by Cognero. Page 4 a. proto-oncogene b. pre-oncogene c. post-oncogene d. dys-oncogene e. oncogene
Although membrane proteins contribute roughly 50% of the total mass of the membrane, there are about 50 times more lipid molecules than there are protein molecules in cellular membranes. Explain this apparent discrepancy
What will be an ideal response?