Match up macromolecules with example. a. carbohydrates __cholesterol or fat b. proteins __dna or rna c. lipids __hemoglobin or enzyme d. nucleic acids __glycogen or starch

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

What are some characteristics of a free enterprise economy?

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.) chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.