Solar radiation, because it hasn't (at least noticeably) affected hawks.
The leading strand is the strand of nascent DNA which is being synthesized in the same direction as the growing replication fork. A polymerase "reads" the leading strand template and adds complementary nucleotides to the nascent leading strand on a continuous basis.
The percentage is 89%. Took this test and got the same exact question.
Glycolysis, Link reaction, the Krebs cycle, and the electron transport chain.
