A fruit is a mature:
A. ovary.
B. ovule.
C. stigma.
D. stem.
E. pollen grain.
A
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Mimivirus contains some of the genes required for protein synthesis. This is cited as support for which hypothesis about the origins of viruses?
A) degeneration B) origin of life C) escaped-genes D) transposable elements
The septum in a fungus is:
A. the seventh cellular division B. the seventh nucleus in a dikaryote cell C. the seventh cell from the tip of the hypha D. the demarcation between the mycelium and the fruiting body E. cross walls separating the hyphae into cells
Dmitry Mendeleev arranged all the elements by ________ in the periodic table so elements in the same ________ behave in similar ways
a. number of neutrons / column b. mass number / row c. number of electrons / row d. atomic number / column
The morula can be described as an embryo consisting of a(n) hollow sphere of cells. Indicate whether the statement is true or false