TLS Online TPP Program

#Question id: 12486


Which of the following process occur in prometaphase?

#Unit 2. Cellular Organization
  1. Chromosomal material condenses to form compact mitotic chromosomes.
  2. Chromosomes are seen to be composed of two chromatids attached together at the centromere.
  3. Cytoskeleton is disassembled, and mitotic spindle is assembled, and nuclear envelope disassemble.
  4. Chromosomal microtubules attach to kinetochores of chromosomes and chromosomes are moved to spindle equator.
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TLS Online TPP Program

#Question id: 13110

#Unit 13. Methods in Biology

With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 
You do each PCR reaction on chromosome 15 and load each one into a separate well of an agarose gel, and then run the gel.
 

 
Match the babies up with their actual parents.
 

TLS Online TPP Program

#Question id: 13111

#Unit 2. Cellular Organization

Which of the following utilizes the H2O2 generated by other enzymes in the organelle to oxidize a variety of other substances—including alcohols, phenols, formic acid and formaldehyde—by the “peroxidative” reaction?

TLS Online TPP Program

#Question id: 13112

#Unit 2. Cellular Organization

In photorespiration, glycolic acid (glycolate), a two-carbon product of photosynthesis is released from chloroplasts and oxidized into glyoxylate and H2O2 by a peroxisomal enzyme called 

TLS Online TPP Program

#Question id: 13113

#Unit 2. Cellular Organization

------are water soluble, heterogeneous branched polysaccharides that contain many negatively charged D- galacturonic acid residues along with D- glucuronic acid residues.

TLS Online TPP Program

#Question id: 13114

#Unit 2. Cellular Organization

--------- is a biological plastic and non-fibrous material. It occurs only in mature cell walls and is made of an insoluble hydrophobic aromatic polymer of phenolic alcohols.

TLS Online TPP Program

#Question id: 13115

#Unit 2. Cellular Organization

Match the correct one -