The nuclear membrane of eukaryotes originated from
a. captured aerobic bacteria.
b. prebiotic soup.
c. captured cyanobacteria.
d. invaginations of the plasma membrane.
e. the large circular chromosome of the prokaryotic ancestor.
D
You might also like to view...
Which of the following will be true of the muscles of a bedridden person?
A. Calcium levels and ATP production will be lower than normal. B. Creatine kinase production will be lower than normal. C. ATP production will be lower than normal. D. Calcium levels and creatine kinase production will be lower than normal. E. ATP and creatine phosphate production will be lower than normal.
The region where filtration occurs is indicated by
a. A. b. B. c. C. d. D. e. none of these.
The protozoan that causes malaria is an intracellular parasite of red blood cells (RBCs). An adaptive immune response to this parasite is problematic because
A. red blood cells do not produce MHC and, therefore, do not display the fact that they have been infected by presenting antigen. B. the parasite damages leukocytes along with RBCs. C. RBCs normally produce cytokines necessary for adaptive immune response, which this infection prevents. D. complement cannot effectively destroy RBCs. E. RBCs never enter lymphoid tissue.
There is no point to taking antibiotics for a cold.
Answer the following statement true (T) or false (F)