The structure of DNA resembles a twisted ladder. Which structural components form the rings of the ladder?

A) deoxyribose sugars

B) phosphate groups

C) nitrogenous base pairs

D) ribosomes

Which of these statements best supports the theory that frogs have evolved from fish? Select one: a. Tadpoles behave like fish. b. Tadpoles and fish live in water. c. The food habits of the fish are similar to that of the frog. d.

What are reef producing coral called? What is the coral reef composed of? How are they created

Only 10 percent of the energy stored in an organism can be passed on to the next trophic level. of the remaining energy, some is used for the organisms life processes and the rest is ...

What do all four of these molecules Carbohydrates, proteins, lipids, and nucleic acids have in common? a. They dissolve in water. b. They store energy. c. They store and transfer information. d. They are found in living things.

What is the overall structure of the DNA molecule?

A metamorphic rock that undergoes uplift most likely would be exposed to A. cooling. B. crystallization. C. deposition. D. melting. E. weathering.

What types of organisms do you think would not need camouflage as an adaptation

What is the difference between white and red blood cells apex?

A client with a complete tear of the rotator cuff in the right shoulder was given the choice between surgery and stem cell transplant. the client chose to try the stem cell injection.

What impact has the increase in the human population had on the number of invasive species? A) It has allowed us to eradicate invasive species as they appear. B) It has led to a decrease in invasive species because humans prevent their spread.