Which of the following could be a nucleotide of RNA?

deoxyribose + phosphate group + thymine

deoxyribose + phosphate group + uracil

ribose + phosphate group + thymine

ribose + phosphate group + uracil

What sections of DNA are used in DNA fingerprinting A. Sections that are made by bacteria B. Sections that only contain mRNA C. Sections that are unique to each person D. Sections that have the fewest mutations

Researchers have found a gene in yeast that codes for myosin protein which is also coded by genes in humans. what does this similarity at the molecular level in yeast and humans indicate

Almost 50 percent of water withdrawn in the US, is used up by thermoelectric power plants. The table below shows the amount of water withdrawn in the U. S., in billion gallons per year, between 1950 and 2005.

When would chromatin be the most tightly coiled?

Who was the author of the book Principles of Geology? The book presented arguments to support a theory of geological change, proposing that the earth was subject to slow but continuous erosion and uplift.

Animal behavior Essay

Which term best describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable? A) conclusion B) experiment C) hypothesis D) prediction

Mary has had several depressive episodes but only one manic episode. she would be diagnosed with:

Cross a pure-bred tall pea plant with a heterozygous tall pea plant. The allele for tall pea plants is dominant to the allele for short pea plants.

What are dolphins made / what support structures do they have?