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TLS Online TPP Program
#Question id: 12836
#Unit 2. Cellular Organization
The final layer of control that is critical in the regulation of CDKs is a family of proteins known as CDK inhibitors, or CKIs, which bind directly to the cyclin-CDK complex and inhibit its activity. Which of the following function not done by CKIs?
TLS Online TPP Program
#Question id: 12837
#Unit 2. Cellular Organization
Haploid yeast cells were grown in culture and stained with propidium iodide, a fluorescent dye that is incorporated into DNA. The x axis shows DNA content, the y axis the number of cells. The DNA content analysis shows different populations of cells.
Which of the following statement is correct regarding to above graph?
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.