Match the researchers with their discoveries. Demonstrated the phenomenon of transformation, but did not identify the transforming principle. Answer 1 Identified DNA as the genetic material in bacteriophages. Answer 2 Determined the structure of DNA. Answer 3 First to isolate DNA. Answer 4 Demonstrated that changes in DNA and protein were colinear. Answer 5 Identified DNA as the transforming principle. Answer 6 Identified that DNA for yeast consisted of an equal amount of purines and pyrimidines.

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.

Why did mendel use pea plants in his experiments? a. they have no alleles. b. they are haploid organisms. c. they reproduce quickly. d. they are all male.