TLS Online TPP Program

#Question id: 283


The 30 nm fibers of a chromosome are attached to a/an ________ scaffold that holds the fibers in large loops.

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. RNA-protein      

  2. glycoprotein  

  3. actin filament  

  4. histone

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TLS Online TPP Program

#Question id: 11384

#Unit 10. Ecological Principles

Two islands, P and Q, are similar in habitat and other features. They are 100 and 200 km2 in size respectively, but have the same number of species. Which of the following statements can independently explain this observation?

(i) P is closer to the mainland than Q

(ii) P is further away from the mainland than Q

(iii) P has higher speciation rates than Q

(iv) P has lower speciation rates than Q

TLS Online TPP Program

#Question id: 865

#Unit 1. Molecules and their Interaction Relevant to Biology

In autophagy, the endoplasmic reticulum (ER) first gives rise to a cup-shaped, membranous cisterna called the______

TLS Online TPP Program

#Question id: 3894

#Unit 3. Fundamental Processes

Which of the following is a DNA sequence?

TLS Online TPP Program

#Question id: 2253

#Unit 2. Cellular Organization

Match the following lipid linked proteins (column I) with their function (Column II).

Column I

Column II

A. prenylated proteins

i. These proteins are located in a number of subcellular compartments, including the cytosol, the endoplasmic reticulum, the inner face of the plasma membrane, and the nucleus.

B. fatty acylated proteins

ii. The core structure of these proteins consists of phosphatidylinositol glycosidically linked to a linear tetrasaccharide composed of three mannose residues and one glucosaminyl residue.

C. glycosylphosphatidylinositol-linked proteins

iii. The proteins that have covalently attached lipids that are built from isoprene units

TLS Online TPP Program

#Question id: 15682

#Unit 2. Cellular Organization

Boiling is not reliable for sterilization because