The enymatic rate constant (kcat/Km) of orotidine 5ʹ-phosphate decarboxylase is 6 x 10⁷ M^-1s^-1 and the nonenzymatic rate constant (kn) is 3 x 10^-16 s^-1.  What is the value of the enzymeʹs catalytic proficiency?

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#Question id: 15594

#Unit 8. Inheritance Biology

In an unordered tetrad with the parental ditype:

TLS Online TPP Program

#Question id: 15001

#Unit 8. Inheritance Biology

You cross true breeding lizards that are either green or albino and discover that all the offspring are striped green and white. Which is the most likely result if you cross two striped lizards?

TLS Online TPP Program

#Question id: 15760

#Unit 5. Developmental Biology

Why Stem cells are sometimes referred to as “undifferentiated”?

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#Question id: 12137

#Unit 10. Ecological Principles

Dwarf mistletoes are flowering plants that grow on certain forest trees. They obtain nutrients and water from the vascular tissues of the trees. The trees derive no known benefits from the dwarf mistletoes. Which of the following best describes the interactions between dwarf mistletoes and trees?

TLS Online TPP Program

#Question id: 26426

#Unit 3. Fundamental Processes

Which of the following component of mismatch repair recognizes insertion/ deletion/slippage loops  apart from mismatched insertion