In what substance is nitrogen an important element? A. Proteins B. Carbohydrates C. Sugars D. Fats and lipids

1. Which is a cause of deforestation related to industrial logging? use of trees for soybean farming use of trees for paper products clearing of trees for mining clearing of trees for road construction 2.

What are the purpose of down feathers on a bird?

A gel-like substance is placed in a glass dish on top of a heat plate turned on low. The substance at first does not move. You add five drops of water and wait two minutes. All of the sudden, the substance begins to move around the glass dish.

Fats in foods a. add taste and contribute to "mouth feel" b. are digested and absorbed in the stomach c. carry water-soluble nutrients d. need to be eliminated to have a healthful diet

What are three characteristics of a sustainable ecosystem?

One student did an experiment with an unknown mineral. The hardness scale shown below was used for the experiment.

Which level of protein structure is characterized by alpha and beta sheets in which hydrogen bonding holds the shape in place?

Sociology is best defined as the study of

What grouping has the least complex body plan

What is the outcome when a cell undergoes meiosis? A) Two diploid cells B) Two haploid cells C) Four diploid cells Eliminate D) Four haploid cells