Which type of organism moves nitrogen from cells of producers back to the soil. A) decomposers b) consumers c) nitrogen-fixing bacteria D) denitrifying bacteria

How many amino acids are coded for by the strand of mrna shown below? assume the reading frame begins with the first nucleotide?

The relationship between fleas and a dog

What purpose do control rods serve in a nuclear power plant? to absorb neutrons before the neutrons can initiate more fusion reactions to produce neutrons and initiate more fission reactions to absorb neutrons before the neutrons can initiate more

What is the most fundamental characteristic that separates organisms?

When elements and compounds that are dissolved in water leave a solution what is the result?

Why are some sediments smaller than others

Ethanol is produced during what cycle or fermentation

Explain briefly why there is a limitation on how big a cell can be. Include in your explanation the relationship between a cell's size and its surface area and how this affects what the cell can do.

Which effect is most likely caused by nondisjunction during meiosis? A. an extra chromosome B. an increase in nuclei C. increased survival benefits from traits D. only two types of nitrogenous bases

A segment of dna that codes for rna and a protein is a