Which of the following statements regarding RNA is true? RNA molecules always form an anti-parallel double helix.

RNA molecules form the hereditary molecules of the cell.

RNA uses the sugar deoxyribose.

*RNA uses the nitrogenous base uracil.

Agroup of students are walking in the park, and one of them takes a picture of a pollen grain that is being blown by the wind.what caption can the student use for this picture? fahrte "littl1111111nimmt-hhhfull film# # #gene mutation in actiongene flow at workgenetic drift as it happensnatural selection in progresshii

What is the correct term for an area of rotating currents in an ocean? when ocean currents combine, they create an area of rotating currents called an

The cluster of developing cells from conception until birth is called an