Which of the following continents was not covered by ice during the pleistocene ice age?

a. europe
b. asia
c. australia
d. north america

What are the types of mutations, and how does each alter the encoded protein? college level answer

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

What will happen if two of the base pairs of the stand of the dna are switched