TLS Online TPP Program

#Question id: 598


Which might be a method used for distinguishing among several mechanistic possibilities in a multi-substrate reaction?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. Measure Km in the presence of one substrate at a time.

  2. Measure the rate with respect to one substrate while varying the concentration of another substrate.

  3. Measure the rate while adding inactivators for all but one substrate.

  4. Any of the above

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TLS Online TPP Program

#Question id: 14980

#Unit 2. Cellular Organization

The membranes of eukaryotes and mycoplasma

TLS Online TPP Program

#Question id: 14981

#Unit 2. Cellular Organization

The endoplasmic reticulum has many important functions. It transports proteins, lipids, and probably other materials through the cell. The ER is also a major site of 

TLS Online TPP Program

#Question id: 14982

#Unit 2. Cellular Organization

A very important function of the Golgi apparatus and endoplasmic reticulum is the synthesis of another organelle, the lysosome. This organelle is found in a variety of organisms such as—
1.Protozoa 
2. Some algae
3. Fungi
4. Plants 
5. Animals
In which of the above organisms lysosome is not found.

TLS Online TPP Program

#Question id: 14983

#Unit 2. Cellular Organization

A network of intermediate filaments, called the nuclear lamina, lies against the inner surface of the envelope and supports it. Which structure usually is associated with the inner membrane

TLS Online TPP Program

#Question id: 14984

#Unit 2. Cellular Organization

Just beneath the plasma membrane  many protozoa and some algae have a different external, rigid layer of components. The structure is called as

TLS Online TPP Program

#Question id: 14985

#Unit 4. Cell Communication and Cell Signaling

Neutrophills containing granules which have protease, protease inhibitors, for example
a) α-1 antitrypsin – regulation of proteases
b) Defensin – Direct harm to pathogen
c) Elastase –  Tissue remodelling
d) MBP – basophil degranulation