You received no credit for this question in the previous ettempt. 8 Carbonic Anh

Question

You received no credit for this question in the previous ettempt. 8 Carbonic Anhydrase Carbonic anhydrase [CAL en enzyme widely present in plant and animal tissues, cateyzes the reection: points 03:20-4 This reaction is important to maintain ecid base belance in blood and other tissues and to help transport CO2out of ssues; without a catalyst, this reaction would not occur et rates that could meintain homeostesis The CA enryme contains one etom of zinc (Zn2 inis atve site, and the proper postioning of the Zn2 requires the presence of three histidine side chains Humans have several different iso orms types of CA. De ciency n CA l can lead to syndrome thet includes symptoms o osteoporosis, renal tubular acidosis, and cerebral calc Ication. In one ami y th this syndrome, e mutat on in CAll was o eBook thet substitutes the amino acid tyresine for one of the normal histidine H07Y mutant Referenc Researchers expressed the wild type and mutant enzymes in bacterie and observed the follawing Based on this date and the informetion given ebove, which stetements about CAll is eccurate? Muliple Choice CAll is a ribozyme. CAll and zinc work together as pert of a multienzyme complex. Zinc is not required for CAIl for work at physiological levels. Zinc serves es a coenzyme foe CAll ectivity. Zine is an important cofactor for CAll activity.

Explanation / Answer

Zinc is an important cofactor for CA activity.This is why Carbonic anhydrase is known as a metalloenzyme.

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