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Colin Luther Powell was an American politician, statesman, diplomat, and United States Army officer who served as the 65th United States secretary of state from 2001 to 2005. He was the first African-American secretary of state.
Which of the following statements about DNA replication is correct?
A population with an equal number of young and mature individuals represents:
Which vitamin is also known as folic acid?
The amount of water vapors differs from place to place. Its amount is minimum in which of the following places?
In roots, the protoxylem lies towards the periphery and the metaxylem towards the center. This arrangement of primary xylem is called:
In diploid organisms, which of the following undergoes meiosis ?
__________results in the formation of zygote.
Prothrombin, which is responsible for blood clotting, is released by:
Which of the following is an example of the Mollusca phylum?
Alveoli are related to which system of the human body?
