Which of the following statement is incorrect? a) in dna double helix, the two strands of dna are bound with each other with the bases b) adenine always pairs with thymine c) guanine always pairs with cytosine d) none of the above

The answer is D.) None of the above

A is incorrect because DNA is held together with hydrogen bonding.

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.