Neptune has a diameter of 30,778 miles. What is its diameter in kilometers?

(1 mile = 1.6 kilometers)

A. 1,392,650 km

B. 120,586 km

C. 12,761 km

D. 49,225 km

The gene for melanin (skin pigment) is transcribed similarly in humans and apes. Where does the transcription of the melanin gene take place? A. In the nucleus B. In the nucleus and the cytoplasm C. In the Ribosome D. Only in the nucleus

Which statement correctly describes the phospholipid in the plasma membrane

Limiting the amount of human waste and chemicals in run-off will decrease a. air pollution. b. soil pollution. c. water pollution. d. sound pollution.

A person undergoes hypnosis, and her hand is put in ice. she does not show signs of being in pain. which of these statements is consistent with the dissociation theory?

The gently sloping submerged surface extending from the shoreline toward the deep ocean is called the

What is the name of the enzyme that adds new nucleotides to build mrna

If two people want to know the chances of their child have a certain genetic disorder, the parents must know their

Which of the following constitutes the primary structure of a protein? A. The folding of a polypeptide chain B. The linear sequence of amino acids in a polypeptide chair C. The polypeptide chains stacked on top of each other D. A pleated sheet E.

Most food chains have no more than six organisms. why is there a limit to the number of links in a food chain? a. animals at the end of the food chain would have too much food available. b.

What was the most significant conclusion that gregor mendel drew from his experiments with pea plants?