IN DNA, bases pair by forming across complementary strands. A. hydrogen bonds
B. covalent bonds
C. ionic bonds

What two fields of study provide the core information that is used to classify organisms?

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele

What would most likely happen if green plants were exposed to longer days of sunlight? a. the mitochondria would produce less energy . b. the chloroplasts would produce more energy. c. the cell wall would become thicker. d. the vacuoles would quickly shrink. b. the chloroplasts would produce more energy.