Which of the following are nucleic acids?

chlorophyll and retinal

DNA and RNA

lipids and sugars

glucose and glycogen

The one-toed horse of today steadily evolved from its five-toed ancestor.

What must happen to pyruvate before it can enter the kreb's cycle? explain.

Organize a data table to compare various types of lakes and their origins

Which best compares mutualism, parasitism, and commensalism between two organisms?

How many feet does food travel in the average adult's digestive tract

Discuss glucose transport in epithelial cells, include tight junctions in your discussion.

What soil develops on top of there parent bedrock?

Which statement describes the life cycle of a plant? A. leaves an exoskeleton B. four distinct stages C. alternates between plants with full and plants with half the chromosomes D. pupa stage

Explain how the water cycle functions because of change in matter.

Cellulose, chitin, and peptidoglycan function as structural molecules and withstand pulling and pushing forces well. Which structural feature is most directly responsible? See section 5.3 (page 114). View available hint (s)