Evidence for the endosymbiotic theory does NOT include which of the following?
a. DNA in prokaryotes, mitochondria, and chloroplasts is arranged in a single, circular
genome.
b. Endocytosized cells have been directly observed to survive in the cytoplasm of the host
cell.
c. Endocytosized organelles have been directly observed to survive in the cytoplasm of the
host cell.
d. Fossils of prokaryotic cells in the process of endocytosizing cyanobacteria have been
discovered.
e. There are some rRNA sequences that are similar between prokaryotes, mitochondria, and
chloroplasts.
D
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In an ATP molecule, the phosphates are bonded to the adenine ring.
Answer the following statement true (T) or false (F)
The “tunic” of tunicate refers to
a. a body covering. b. the type of food-gathering mechanism. c. muscle arrangements in the larva. d. the immature stage of a true fish. e. organ rotation during reorganization.
As the carrying capacity of an environment is approached by a population,
A. deaths begin to exceed births. B. density-dependent environmental resistance increases. C. population growth begins to be exponential. D. births begin to exceed deaths. E. the rate of reproduction increases.
Alkapton urea is a familial disease that is autosomal recessive. The defective enzyme in affected individual prevents the metabolism of _____________
A) Procussic acid B) Homogentisic acid C) tyrosine D) alkapton E) phenolalanine