For each of the following statements, indicate whether the statement is TRUE or FALSE. If the statement is false, explain why it is false. a. The ratio of nucleotides in double-stranded DNA agrees with the rule (A + T) = (G + C).

b. In a DNA double helix that is not currently being replicated, the two DNA strands are the same age (i. e. they were both synthesized at the same time).

c. The leading strand requires a primer at the origin of replication

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.