_____ can link together to form proteins by joining ends and releasing water molecule.
A) Lipid molecules
B) Disaccharides
C) Amino acids
D) Polysaccharides
Question 2
In the Drake equation, Nc = N fp nHZ fL fI fs, the factor Nc is:
A) the number of planets in a solar system.
B) the average number of stars that have planets.
C) the average number of planets in each solar system suitably placed in the habitable zone.
D) the number of technological civilizations in the Milky Way Galaxy with which you might communicate.