Practice Questions

TLS Online TPP Program

#Question id: 1974

A person exposed to a new cold virus would not feel better for one to two weeks because

#Section 2: General Biology

specific B cells and T cells must be selected prior to a protective response.
it takes up to two weeks to stimulate immunologic memory cells.
no memory cells can be called upon, so adequate response is slow.
antigen receptors are not the same as for a flu virus to which she has previously been exposed.

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TLS Online TPP Program

#Question id: 15675

#Section 6: Plant, Animal and Microbial Biotechnology

Shake tubes are used to determine the

TLS Online TPP Program

#Question id: 1424

#Section 3: Genetics, Cellular and Molecular Biology

Gain-of-function mutations in which of the following genes typify colorectal carcinomas?

TLS Online TPP Program

#Question id: 21162

#Section 5: Bioprocess Engineering and Process Biotechnology

A first order homogeneous reaction of the type X Y Z (consecutive reaction) is carried out in a CSTR. Which of the following curves respectively show the variation of the concentration of X, Y and Z with time?

TLS Online TPP Program

#Question id: 321

#Section 2: General Biology

Water clustered about nonpolar molecules contribute to hydrophobic interactions because

TLS Online TPP Program

#Question id: 15555

#Section 1: Engineering Mathematics

0, then its roots are . . . .