If an dna molecule is compared to a spiral staircase, what parts make up the steps.

A) pairs of nitrogen bases.

B) sugar and nitrogen base.

C) sugar and phosphate.

D) pairs of sugars.

The chemical equation below summarizes cellular respiration. 6O2 + C6H12O6-->6CO2 + 6H2O + energy The energy that is released by cellular respiration is in the form of dark energy. solar energy. nuclear energy. chemical energy.

How is the height of a wave measured? A. from trough to water level B. from water level to crest C. from crest to trough D. from wavelength to trough

If you had a black male guinea pig and brown female guinea pig, but you didn't know which was the dominant characteristic, how would you find out the dominant color, assuming the dominant characteristic is homozygous,?

The planting of trees I'd detrimental to soil because it drains that soil of its nutrients true or false

State the reason why some drugs are considered drugs of abuse.

In the vacuum of outer space, these waves are not transmitted. A. amplitude B. crest C. electromagnetic radiation D. frequency E. longitudinal waves F. sound waves G. surface waves H. transverse waves trough wavelength

What is law according to science

Why did the Hutus in Rwanda hold a deep hatred for the Tutsis? A. The Tutsis unrelentingly persecuted the Hutus when they were in power. B. The Tutsis were a minority who had historically ruled over the Hutus. C.

In a diploid cell with five chromosome pairs 2n=10, how many different centromere's will be found in the nucleus at G2 of The cell cycle? The answers are 1,5,10,20, or each sister chromatid has a centeomere ... I put 10 and it says wrong

Why do snails contribute to the decomposition cycle?