Felipe and Stephanie are spending the evening observing stars together. They can see thousands of stars in the dark night sky. Stars outside of the solar system are most similar to which of the following?

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

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

Albinism is an inherited genetic disorder. explain what it is meant by inherited genetic disorder