Practice Questions

TLS Online TPP Program

#Question id: 15451

T-cell dependent, B-cell activation require many signals except___

#XL - S Microbiology

Interaction with the T-cells through cross-links membrane immunoglobulin receptors (mIg)
A separate interaction between CD40 (B-cell) and CD40L (T-cell)
Signal by FDCs
Delivers cytokines and other signals to its partner B cell

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TLS Online TPP Program

#Question id: 56

#XL - Q Biochemistry

Trace elements are those required by an organism in only minute quantities. Which of the following is a trace element that is required by humans and other vertebrates, but not by other organisms such as bacteria or plants?

TLS Online TPP Program

#Question id: 15229

#XL - Q Biochemistry

Output of Capillary electrophoresis (CE) is called

TLS Online TPP Program

#Question id: 34192

#XL - S Microbiology

Which of the following factors can influence the microbial growth rate in a batch culture?

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#Question id: 4594

#XL - S Microbiology

Which one of the following observations did Darwin first make during his discovery of evolution?