Chymotrypsin can cleave a peptide bond C-terminal to alanine but with much less efficiency than it does a peptide bond C-terminal to phenylalanine. Which enzyme parameter likely differs more for chymotrypsin between substrates with alanine vs phenylalanine?

Flock x flock y flock z total pieces of food eaten (from previous page) 147 93 60 food percentage* % % % simulated number of birds in flock for 3rd generation** * divide each flock's total pieces of food by 300, the total number of pieces of food eaten. ** multiply the food percentage for each flock by the total number of birds (30).

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

Match with o for organic and i for inorganic for each compound