Similar to the nucleus, chloroplasts and mitochondria are a. surrounded by two membranes b. able to synthesize carbohydrates c. manufactured by the nucleolus d. able to synthesize lipids

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?

What substance acts to prevent sudden ph changes in bodily fluids?