TLS Online TPP Program

#Question id: 14991


_____I________in the bone, _____II_______in the central nervous system, and _____III_______in the lung and ____IV________in the liver are tissue-specific examples of macrophages with these properties.

#Unit 4. Cell Communication and Cell Signaling
  1. I- Osteoclasts, II- Alveolar macrophages, III- Microglial cells, IV- Kupffer cells 
  2. I- Kupffer cells, II- Alveolar macrophages, III- Microglial cells, IV- Osteoclasts
  3. I- Alveolar macrophages, II- Kupffer cells, III- Osteoclasts,  IV- Microglial cells
  4. I- Osteoclasts, II- Microglial cells, III- Alveolar macrophages, IV- Kupffer cells 
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TLS Online TPP Program

#Question id: 32352

#Unit 1. Molecules and their Interaction Relevant to Biology

The net free energy change, DG° of gluconeogenesis for the conversion of Pyruvate to glucose is 

TLS Online TPP Program

#Question id: 18856

#Unit 13. Methods in Biology

A scientist constructs a recombinant bacterial plasmid that contains a gene conferring resistance to the antibiotic ampicillin (amp). The scientist transforms cultures of E. coli bacteria with the recombinant plasmid, then incubates the cultures overnight on plates containing media without ampicillin (amp-) and with ampicillin (amp+).
Assuming the transformation protocol was successful, which of the following best predicts the bacterial growth pattern expected after the incubation period?
 

TLS Online TPP Program

#Question id: 32302

#Unit 1. Molecules and their Interaction Relevant to Biology

Identify the structure shown


TLS Online TPP Program

#Question id: 448

#Unit 1. Molecules and their Interaction Relevant to Biology

During glycolysis, glucose 1-phosphate is converted to fructose 6-phosphate in two successive reactions: Glucose 1-phosphate -> glucose 6-phosphate DG'° = –7.1 kJ/mol Glucose 6-phosphate -> fructose 6-phosphate DG'° = +1.7 kJ/mol DG'° for the overall reaction is:

TLS Online TPP Program

#Question id: 10643

#Unit 10. Ecological Principles

Population of ground squirrels has an annual per capita birth rate of 0.06 and an annual per capita death rate of 0.02) Estimate the number of individuals added to (or lost from) a population of 1,000 individuals in one year.