Membrane organelles known as contain enzymes specialized to break down ingested materials, secretions, and wastes.
a. lysosomes
b. ribosomes
c. vacuoles

Explain why phospholipid molecules form a bilayer. (3 marks)

If a baby girl guinea pig looks almost identical to its mother, does this then mean that it inherited more alleles from its mother? explain. (hint: think about the vocabulary words dominant and recessive.)

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.