What is an allele? a. a group of proteins

b. a type of virus

c. a group of chromosomes

d. a form of a gene

All of the following statements about enzymes are correct except: proteolytic enzymes are also known as proteases. pectin methyl esterase causes browning of cut fruit. cloud loss in orange juice is due to enzyme activity. proteolytic enzymes in fish cause tissue softening during storage.

Preventive health behaviors rarely have much influence on health as most diseases are genetic. a. true b. false

White-headed woodpeckers are adapted to have strong beaks that can break into tree trunks to find bugs and can also open pine cones to get at the seeds. white-headed woodpeckers are best adapted to living in the biome.