Which element is most important for adding strength to hair, feathers, and outer skin?

oxygen

hydrogen

sulfur

phosphorus

2. How does water form during cellular respiration? A Oxygen is oxidized, losing electrons and gaining hydrogen ions. B Oxygen is reduced, gaining electrons and hydrogen ions.

Which of the objects is living or non living: bacteria, virus, moss, you, the air, bread, lettuce and rocks?

If a cell loses control of gene expression, what happens?

What happens in population growth?

How are fats absorbed into the blood?

Provides support for the cell, has two "suboarts"

Turner syndrome (XO) results from A. Primary Non-disjunction B. Haploid gametes from both parents C. Secondary Non-disjunction D. Either A or C E. All of the Above

Give an example of when refraction occurs in nature

In lipids unsaturated refers to

what might occur when mitosis is not stopped or occurs quickly due to the presence of cancer.