Which types of foods contain which types of macromolecules? Is one type of macromolecule healthier to eat than another? Why do you think so?

Which term describes the way an organism responds to stimuli?

To lose weight and reduce her risk for high blood pressure, Ingrid has been following an eating plan that has been rated the number-one best overall diet. It emphasizes intake of fruits and vegetables, lean protein, whole grains, and low-fat dairy.

Antoine drew a diagram to compare two kinds of evidence that support the theory of evolution. Which label belongs in the area marked X?

Which mixture contains particles that are in a dispersed phase and do not settle out? a a suspension b a solution c a colloid d a homogeneous mixture?

A single species of finch from South America was displaced to a new habitat in the Galápagos Islands and evolved rapidly into several new species as it exploited the new resources. What occurred in these Darwins finches?

Antacids would be effective in which part of the digestive system?

Which of these is responsible for carrying a specific amino acid into place? A) dna B) mrna C) tRNA D) ribosome

Explain how the color of the moth increases or decreases their chances of survival.

Explain why the percentage of resistant bacteria increased over time.

A new flower species has a unique photosynthetic pigment. the leaves of this plant appear to be blue-green.