While studying enzyme kinetics in the lab, a scientist observed that the rate of a reaction involving enzyme amylase increased as the concentration of starch increased. with further increase in starch concentration, the amylase activity did not change. why did this happen?

a. the starch molecules did not bind to the enzyme amylase efficiently.

b. the enzyme amylase was saturated, as all its active sites were occupied by substrate starch.

c. the starch molecules were converted to product glucose as soon as they bound to enzyme amylase.

Part a - prefixes, roots, and suffixes match these prefixes, suffixes and roots to their meanings. phospho- angio- -uria -tropic -phag- a. the word root means blood or lymph vessels. b. the word root means urine. c. the word root means feeding or eating. d. the word root means phosphate or phosphorus. e. the word root means attracted specifically to the specified organ or tissue. part b – match these vocabulary terms to their meanings. gonadotropic polyuria angiotensin ii polyphagia phosphodiesterase upon the release of renin, is produced and stimulates vasoconstriction and the release of aldosterone. fsh and lh are examples of hormones, which target the ovaries or testes. an enzyme that degrades second messengers like camp or cgmp is . overproduction of urine, or , is a sign of diabetes mellitus. overeating, or , is a sign associated with diabetes mellitus.

The body of water found at number 4 on the map above is the

Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.