Practice Questions

TLS Online TPP Program

#Question id: 1040

Why might it be easier to determine the bacterium that caused pneumonia than one that caused a wound infection?

#XL - T Zoology

There are very few microorganisms that can cause pneumonia, while there are many that can cause wound infections.
Bacteria that cause pneumonia can be identified with few tests. Many bacteria are normally found on the skin and may be in the wound complicationg indentification of the pathogen.
We have much better tests for bacteria in the lungs than we do in wounds.
The techniques of 16S rRNA sequencing are easier to perform on a sample taken from the lungs than a sample taken from a wound.

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TLS Online TPP Program

#Question id: 421

#XL - Q Biochemistry

The flow of material through a metabolic pathway is called the ________

TLS Online TPP Program

#Question id: 2123

#XL - T Zoology

Which of these statements about the composition of membranes is true?

TLS Online TPP Program

#Question id: 20250

#XL - P Chemistry

What is the work done against the atmosphere when 25 grams of water vaporizes at 373 K against a constant external pressure of 1 atm ? Assume that steam obeys perfect gas laws. Given that the molar enthalpy of vaporization is 9.72 kcal/mole, what is the change of internal energy in the above process ?

TLS Online TPP Program

#Question id: 15602

#XL - S Microbiology

The antibiotic erythromycin, the immunosuppressive drug FK506, and the cholesterol-lowering drug lovastatin all belong to which class.

TLS Online TPP Program

#Question id: 20133

#XL - P Chemistry

For the combustion of 1 mole of liquid benzene at 25ºC, the heat of reaction at constant pressure is given by, C6H6(l) + 7 O2 (g) → 6CO2 (g) + 3H2O (l); DH = –780980 cal.

What would be the heat of reaction at constant volume?