TLS Online TPP Program

#Question id: 14949


How the matrix polysaccharides differ from the cellulose?

#Unit 6. System Physiology – Plant
  1. Matrix polysaccharides are synthesized by membrane-bound glycosyltransferases while cellulose synthesized by cellulose synthase complexes
  2. Matrix polysaccharides are much more ordered
  3. cellulose shown less ordered
  4. Matrix polysaccharides are much less ordered or noncrystalline character while cellulose shown highly ordered and forms crystalline microfibrils
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TLS Online TPP Program

#Question id: 4312

#Unit 3. Fundamental Processes

Among the newly discovered small noncoding RNAs, one type helps to reestablish ethylation patterns during gamete formation and blocks expression of some transposons. Which of the following types of RNA is responsible for this function?

TLS Online TPP Program

#Question id: 4313

#Unit 3. Fundamental Processes

Which of the following statements best describes the characteristics of siRNA?

TLS Online TPP Program

#Question id: 4314

#Unit 3. Fundamental Processes

A researcher introduces double-stranded RNA into a culture of mammalian cells and can identify its location or that of its smaller subsections experimentally, using a fluorescent probe. Some time later, she finds that the introduced strand separates into single-stranded RNAs, one of which is degraded. What does this enable the remaining strand to do?

TLS Online TPP Program

#Question id: 4315

#Unit 3. Fundamental Processes

A researcher introduces double-stranded RNA into a culture of mammalian cells and can identify its location or that of its smaller subsections experimentally, using a fluorescent probe. When she finds that the introduced strand separates into single-stranded RNAs, what other evidence of this single-stranded RNA piece's activity would she find?

TLS Online TPP Program

#Question id: 4316

#Unit 3. Fundamental Processes

Which of the following processes do normal proto-oncogenes typically exhibit?

TLS Online TPP Program

#Question id: 4317

#Unit 3. Fundamental Processes

Which of the following functions does the product of the p53 gene carry out?