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TLS Online TPP Program

#Question id: 1568

which one of these is not a characteristics  of B-cell?

#XL - S Microbiology

  1. They are APCs

  2. Have surface marker  CD19

  3. B cell convert into plasma cell

  4. Antibodies at surface of b cell – IgM, IgA

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TLS Online TPP Program

#Question id: 20247

#XL - P Chemistry

C2H6 (g) + 3.5 O2 (g) →2CO2 (g) + 3H2O (g)
ΔSvap (H2O, l) = x1 cal K–1 (boiling point + T1)
ΔHf (H2O, l) = x2
ΔHf (CO2) = x3
ΔHf (C2H6) = x4
Hence ΔH for the reaction is –
TLS Online TPP Program

#Question id: 20131

#XL - P Chemistry

Under certain conditions, the value of ΔG for a hypothetical reaction, X + Y ¾→ Z is greater than zero, then –
TLS Online TPP Program

#Question id: 3044

#XL - S Microbiology

If the pH indicator were left out of MacConkey agar, the medium would be
TLS Online TPP Program

#Question id: 9282

#XL - Q Biochemistry

The rate of photosynthesis when red and far-red light are given together is greater than the sum of the rates when they are given apart, the effect provided essential

evidence in favor of the concept that photosynthesis is carried out by two photochemical systems working in tandem but with slightly different wavelength optima

this effect is known as
TLS Online TPP Program

#Question id: 2116

#XL - T Zoology

When a cell is in equilibrium with its environment, which of the following processes occurs for substances that can diffuse through the plasma membrane?