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TLS Online TPP Program

#Question id: 324

Why are hydrocarbons insoluble in water? 

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. The majority of their bonds are polar covalent carbon-to-hydrogen linkages.

  2. The majority of their bonds are nonpolar covalent carbon-to-hydrogen linkages.

  3. They exhibit considerable molecular complexity and diversity. 

  4. They are less dense than water. 

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TLS Online TPP Program

#Question id: 566

#Unit 1. Molecules and their Interaction Relevant to Biology

The role of the metal ion (Mg2+) in catalysis by enolase is to
TLS Online TPP Program

#Question id: 29584

#Unit 6. System Physiology – Plant

Cicadellidae (leaf hoppers), Fulgoroidae (plant hoppers), and Psyllidae (jumping plant lice) act as the vector for
TLS Online TPP Program

#Question id: 18730

#Unit 13. Methods in Biology

Which of the following statements is correct with respect to T4 DNA ligase?
TLS Online TPP Program

#Question id: 2210

#Unit 2. Cellular Organization

Which of these is a general feature of the lipid bilayer in all biological membranes?
TLS Online TPP Program

#Question id: 2971

#Unit 2. Cellular Organization

Which one of the following is the most appropriate match?

Events

Protein

Phases

A. Cohesins are loaded onto chromosomes

I. Mei-S332/Shugoshin

 a. G1

B. Cohesins can dissociate from the DNA

II. Polo kinase and Aurora B kinase

b. G2

C. Prevents cohesin phosphorylation, and hence dissociation

III. Scc2-Scc4

c. S

D. Phosphorylation of cohesins

IV. Pds5-Wapl

d. M