Practice Questions

TLS Online TPP Program

#Question id: 548

Which one of the following statements is true of enzyme catalysts?

#Unit 1. Molecules and their Interaction Relevant to Biology

Their catalytic activity is independent of pH.
They are generally equally active on D and L isomers of a given substrate.
They can increase the equilibrium constant for a given reaction by a thousand fold or more.
They can increase the reaction rate for a given reaction by a thousand fold or more.

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TLS Online TPP Program

#Question id: 34

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is true of any (S)-enantiomer?

TLS Online TPP Program

#Question id: 5547

#Unit 5. Developmental Biology

Cells that rove from somites form the

TLS Online TPP Program

#Question id: 4819

#Unit 8. Inheritance Biology

Plant with genotype AB/ab is test cross, two genes are linked are 10 map units apart. What proportion of progeny will have the genotype aabb?

TLS Online TPP Program

#Question id: 2266

#Unit 2. Cellular Organization

In bacteria, some of the functions of eukaryotic cells are performed

TLS Online TPP Program

#Question id: 8915

#Unit 9. Diversity of Life Forms

The number of legs an insect has, the number of vertebrae in a vertebral column, or the number of joints in a digit (such as a finger) are all strongly influenced by