BIO 2300 MIDTERM EXAMS QUESTIONS AND
ANSWERS SET A+
✔✔How does competitive inhibitors change the Km and Vmax? - ✔✔increases Km and
Vmax remains the same
✔✔allosteric inhibitors - ✔✔bind to the allosteric site to prevent enzyme function
✔✔How does allosteric inhibitors change the Km and Vmax? - ✔✔same Km and lower
Vmax
✔✔phosphorylation - ✔✔the addition of a phosphate group to a molecule
✔✔kinase - ✔✔adds phosphate
✔✔phosphatase - ✔✔removes phosphate
✔✔ prokaryote - ✔✔- small
- lack a nucleus
- few organelles
- replicate quickly
✔✔example of prokaryotes - ✔✔bacteria and archaea
✔✔eukaryote - ✔✔- single or multicellular
- contains a nucleus
- contains organelles
✔✔example of eukaryotes - ✔✔plants, animals, fungi, protists
✔✔cytoplasm - ✔✔the portion of the cell outside the nucleus
ANSWERS SET A+
✔✔How does competitive inhibitors change the Km and Vmax? - ✔✔increases Km and
Vmax remains the same
✔✔allosteric inhibitors - ✔✔bind to the allosteric site to prevent enzyme function
✔✔How does allosteric inhibitors change the Km and Vmax? - ✔✔same Km and lower
Vmax
✔✔phosphorylation - ✔✔the addition of a phosphate group to a molecule
✔✔kinase - ✔✔adds phosphate
✔✔phosphatase - ✔✔removes phosphate
✔✔ prokaryote - ✔✔- small
- lack a nucleus
- few organelles
- replicate quickly
✔✔example of prokaryotes - ✔✔bacteria and archaea
✔✔eukaryote - ✔✔- single or multicellular
- contains a nucleus
- contains organelles
✔✔example of eukaryotes - ✔✔plants, animals, fungi, protists
✔✔cytoplasm - ✔✔the portion of the cell outside the nucleus
