To keep food from entering your lungs, which systems must work together.

What is the function of nucleic acids

The electric charge of an atom is found by adding the charges carried by its protons and

What characteristic is common to both unicellular and multicellular algae?

Thermal vents are found at the bottom of the ocean in the benthic zone.

The cytoplasm that surrounds the nucleus of a neuron is called the

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