Which stage of the cell cycle covers most of the life span of a cell?
a. interphase
b. mitosis
c. meiosis
d. cytokinesis
A
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Which of the following is/are major themes in the field of biology?
A. The interconnections within and between levels of biological organization B. The relationship between structure and function C. The flow of information from DNA to proteins D. All of the above are major themes in the field of biology
Viruses come in several shapes. All of the following are shapes of viruses EXCEPT:
A. head and tail. B. triangular. C. icosahedral. D. helical. E. spiral.
The tree in the figure is based on which type of traits, and what is the name of the genus for the most recent horse?
A. Genetic (DNA): Orohippus.
B. Morphological: Equus.
C. Molecular: Equus.
D. Genetic homology: Pliohippus.
E. Morphological: Hyracotherium.
In a sporophyte of an angiosperm, growth occurs at ________ via ________
A) meristems… mitosis B) meristems… meiosis C) flowers… fertilization D) seeds… dispersal