During a high-energy athletic event, such as a sprint, most of the energy that is provided to the muscles comes from? a. glycolysis b. the electron transport chain c. the krebs cycle d. fermentation

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

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.

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.