why do leaves appear green in color. A. because of cellular respiration or b. because of lack of oxygen c. because of the presence of chlorophy d. because of lactic acid fermentation

What feature in a cell contains the DNA sequence to make a specific protein? genome gene nucleic acid chromosome

Which human activity is correctly paired with the greenhouse gas that it increases? A) rice cultivation and water vapor B) landfilling and carbon dioxide C) deforestation and methane D) sewage treatment and nitrous oxide

Which is a true statement about conifers? A.) Conifers' needles lose water easily. B.) Conifers have covered seeds. C.) Conifers release pollen grains. D.) Conifers are flowering plants.

What are the chances of a prehistoric organism becoming a fossil?

A client, scheduled to receive one unit of packed red blood cells, has a history of an allergic reaction to a transfusion in the past. what class of medication will assist in preventing a reaction to the packed red blood cell transfusion?

What happens if you don't have enough carbohydrates?

Describe the movement of "air" into and out of the respiratory system. Be sure to include the following structures (larynx, trachea, bronchi, bronchioles, and alveoli) while being specific about whether it is mainly oxygen or carbon dioxide moving

How are diffusion and osmosis different? A. Osmosis is the movement of proteins. Diffusion is the movement of water. B. Osmosis is the movement of water. Diffusion is the movement of chemicals and molecules. C.

Water molecules exhibit a property which enables them to stick to each other. What is this property referred to as? Polarity Cohesion Adhesion

Using hooke's, F spring = K*E, law find the distance a spring with an elastic constant of 4 n/cm will stretch if a 2 newton force is appied to it. A. 4 cm B. 2 cm C. 1/2 cm D. 8 cm