TLS Online TPP Program
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TLS Online TPP Program
#Question id: 12936
#Unit 13. Methods in Biology
Adding small double-stranded molecules with one internal site for a restriction endonuclease,termed ______ to cDNA.
TLS Online TPP Program
#Question id: 2242
#Unit 2. Cellular Organization
What two features of the structure of cholesterol make it somewhat amphipathic?
TLS Online TPP Program
#Question id: 13553
#Unit 6. System Physiology – Plant
According this graph which statements is most appropriate ;
a) The air surrounding the leaf is very still, the layer of unstirred air on the surface of the leaf may be so thick that it is the primary deterrent to water vapor loss from the leaf
b) The air surrounding the leaf is very still, reduces the thickness of the boundary layer at the leaf surface, reducing the resistance of this layer
c) The moving air reduces the thickness of the boundary layer at the leaf surface, reducing the resistance of this layer
d) The moving air, the layer of unstirred air on the surface of the leaf may be so thick that it is the primary deterrent to water vapor loss from the leaf
TLS Online TPP Program
#Question id: 29439
#Unit 6. System Physiology – Plant
Nitrogenase, a complex metal containing enzyme is involved in conversion of N2 to NH3•
a. Nitrogenase is composed of two component proteins
b. Nitrogenase is a complex consisting of the MoFe protein (dinitrogenase or component I) a heterotetramer
c. Nitrogenase is a complex consisting of the MoFe protein (dinitrogenase or component I) a heterotetramer
d. Fe protein (dinitrogenase reductase or component II) a heterodimer
Which of the combination of above statement about Nitrogenase is INCORRECT
TLS Online TPP Program
#Question id: 145
#Unit 1. Molecules and their Interaction Relevant to Biology
The pKaʹs of isoleucineʹs α-Carboxyl group and α-Amino group are 2.3 and 9.8, respectively. Calculate the isoelectric point.