Mitochondria and chloroplasts probably formed as a result of
A. spontaneous generation.
B. endosymbiosis.
C. coacervates.
D. None of the above is correct.
B. endosymbiosis.
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Which of the following does NOT occur in prophase
I of meiosis? a. cytokinesis b. pairing of homologues c. formation of a bipolar spindle d. crossing over e. condensation of chromosomes
Viruses are self-replicating but the replication is much faster in a host cell.
Answer the following statement true (T) or false (F)
The cell theory states:
a. Cells form as organelles and molecules become grouped together in an organized manner. b. The normal functioning of an organism does not depend on its individual cells. c. The cell is the basic unit of life. d. Only eukaryotic organisms are made of cells.
Exergonic reactions
a. are spontaneous b. have a negative delta G value c. release energy d. all of these are correct