If the DNA content of a diploid cell in the G1 phase of the cell cycle is x, then the DNA content of the same cell at metaphase of meiosis I would be

A) 0.25x
B) 0.5x
C) x.
D) 2x.
E) 4x.


Ans: D) 2x.

Biology & Microbiology

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In a woody stem, secondary xylem and secondary phloem can be produced by the

A. vascular bundle. B. casparian strip. C. vascular cambium. D. sieve tube. E. companion cells.

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Using a radioactive molecule to identify which membrane proteins bind the molecule is called ________

Fill in the blank with correct word.

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Fungi are decomposers, converting carbon from CO2 into organic macromolecules.

Answer the following statement true (T) or false (F)

Biology & Microbiology