“speedy” sperm may have little chance of fertilizing the egg because

#Question id: 589

#Unit 1. Molecules and their Interaction Relevant to Biology

When varying the substrate concentration at a fixed concentration of enzyme it is observed that at low concentrations of substrate the reaction is ________,while at high concentrations of substrate the reaction is ________.

#Question id: 4024

#Unit 3. Fundamental Processes

All of the following statements about the essential carboxy terminal domain (CTD) of RNA polymerase are true except:

#Question id: 28635

#Unit 2. Cellular Organization

APC/Ccdh1 is inactivated by cdh1 phosphorylation on multiple site by___

#Question id: 1126

#Unit 4. Cell Communication and Cell Signaling

Which of the following statement(s) is (are) true of the α subunit of a G protein?

a. It physically associates with the receptor.              

b. It binds GDP.

c. It binds GTP.                     

d. It is a transmembrane protein.

#Question id: 214

#Unit 1. Molecules and their Interaction Relevant to Biology

Pyridoxal phosphate is involved in which type of reaction?