Evidence for the endosymbiotic theory includes ____
a. RNA in prokaryotes, mitochondria, and chloroplasts arranged in a single, circular genome
b. endocytosed cells observed to survive in the cytoplasm of the host cell
c. endocytosed organelles observed to survive free in the environment
d. fossils of prokaryotic cells in the process of endocytosing cyanobacteria
e. rRNA sequences that are unique to prokaryotes, mitochondria, and chloroplasts
ANSWER: b
You might also like to view...
T and B cells are so named for the types of antigens they attack
Indicate whether the statement is true or false
Which of the following statements describes the phosphorylation event that occurs during the process known as oxidative phosphorylation?
(a) A phosphate group is added to ADP. (b) ATP is hydrolyzed in order to add phosphate groups to protein substrates. (c) A phosphate group is added to molecular oxygen. (d) Inorganic phosphate is transported into the mitochondrial matrix, increasing the local phosphate concentration.
Who is generally credited with the discovery of sulfanilamide as a chemotherapeutic agent?
A. Ernest Duchesne B. Gerhard Domagk C. Ernst Chain D. Robert Koch
The hormone that stimulates the production of red blood cells, and the organ where this hormone is synthesized, are _____
A) growth hormone and pancreas, respectively B) erythropoietin and kidney, respectively C) cortisol and adrenal gland, respectively D) epinephrine and adrenal gland, respectively E) acetylcholine and bone marrow, respectively