Which types of fossil fuels could / should we use less? Why?

Valence is the number of electrons and atom must gain or lose it ordered to its outer energy level or have a stable octet

A gated channel in the cell membrane allows

1. Which structures are common to both cells

What two scientists are given credit for discovering the structure of dna?

Organisms may contain up to five levels of organization within their bodies. Which of organization is shown by the liver? A: Tissue B: Organ C: Organism D: Organ system

Which of the following is one observation that Charles Darwin made regarding variation?

What are the levels of organization for living things

Which type of cell can become any type of tissue in an embryo, but not a placenta cell? A. Somatic B. Multipotent C. Totipotent D. Pluripotent

Which of the following consist of prokaryotic cells? bacteria and fungi archaea and fungi protists and animals bacteria and archaea

While analyzing a sample of pond water, you discover a new organism whose body is composed of multiple cells.