TLS Online TPP Program

#Question id: 14985


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

#Unit 4. Cell Communication and Cell Signaling
  1. A and C
  2. B and C
  3. A and D
  4. Only A
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TLS Online TPP Program

#Question id: 4222

#Unit 3. Fundamental Processes

Use the figure to answer the question. The figure shows a simple metabolic pathway. According to Beadle and Tatum's hypothesis, how many genes are necessary for this pathway?

TLS Online TPP Program

#Question id: 4223

#Unit 3. Fundamental Processes

Use the figure to answer the question. Refer to the metabolic pathway illustrated. If A, B, and C are all required for growth, a strain that is mutant for the gene-encoding enzyme A would be able to grow on medium supplemented with which of the following nutrient(s)?

TLS Online TPP Program

#Question id: 4224

#Unit 3. Fundamental Processes

Use the figure to answer the question Refer to the metabolic pathway illustrated. If A, B, and C are all required for growth, a strain mutant for the gene encoding enzyme B would be able to grow on medium supplemented with which of the following nutrient(s)?

TLS Online TPP Program

#Question id: 4225

#Unit 3. Fundamental Processes

The following question refers to table of codons. Which of the following sequences of nucleotides are possible in the template strand of DNA that would code for the polypeptide sequence Phe-Leu-Ile-Val?

TLS Online TPP Program

#Question id: 4226

#Unit 3. Fundamental Processes

Which of the triplets below is a possible anticodon for a tRNA that transports proline to a ribosome?

TLS Online TPP Program

#Question id: 4227

#Unit 3. Fundamental Processes

Which of the following statements supports the one gene-one enzyme hypothesis?