nucleotides, which are the building blocks of nucleic acids, consist of a phosphate group, a nitrogenous base, and a? A. lipid B. 5-carbon sugar C. starch

Many birds store significant amounts of energy to power flight during winter migration. what type of organic molecule might be best suited for energy storage? explain

How are cells tissues organs and organ systems related?

The theory of evolution states that all life is related and that organisms have become more complex over time.

If you were doing experiments on rats and wanted to disrupt thermal homeostasis, you would want to disconnect the

what are the two common units of radiation measurements

A transposable element (TE), or transposon, is a __ sequence that can change its __ within a genome, sometimes creating or reversing mutations and altering the cell's __.

How a biologist's reseach can proceed from an idea to a published article

How many times do the nostrils of a frog open and close in one minute

What regulates the enzymes present in an organism A. Phenotype B. Genotype C. Proteins D. Carbohydrates

What is the importance of the excretory system?