The smooth endoplasmic reticulum performs several cellular functions, including the production of lipids and steroids. It also plays a vital role in the detoxification of poisons, drugs, and alcohol. Liver cells play a major role in detoxifying blood. What would a scientist most likely observe in the liver cells of an individual who is a heavy drinker of alcoholic beverages?

F. An increased amount of smooth ER

G. An decreased amount of smooth ER

H. A normal amount of smooth ER

J. A complete absence of smooth ER

Every compound can be represented by a chemical formula. a chemical formula is the set of symbols showing the elements that make up a compound and their proportions. water’s chemical formula is h 2 2 o. that means a molecule of water contains two atoms of hydrogen and one atom of oxygen chemically bonded. a molecule is a group of two or more atoms bonded together. molecules can range in size from two to thousands of atoms. a molecule of a compound is the smallest unit of that compound. every molecule of water has all the physical and chemical properties of water. that’s because every molecule of water is made of the same elements in the same proportions: two hydrogen atoms and one oxygen! which of the following is a true statement? a every molecule of the same compound will have different properties. b every molecule of a compound has the same proportion of elements. c molecules can be physically separated into smaller units of a compound. d molecules cannot be represented by chemical formulae.

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

The tubes transporting minerals and water upward are called ?