Practice Questions

TLS Online TPP Program

#Question id: 2949

A culture of cells is given 3H-thymidine for 30 minutes; then a sample of the cells is fixed and examined by autoradiography. It is found that:

#Unit 2. Cellular Organization

all of the cells engaged in mitosis have incorporated the labeled thymidine into their chromosomes.
none of the cells engaged in mitosis have incorporated the labeled thymidine into their chromosomes.
all of the cells, both mitotic and nonmitotic, have incorporated the labeled thymidine into their chromosomes.
none of the cells, neither mitotic nor nonmitotic, have incorporated the labeled thymidine into their chromosomes.

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TLS Online TPP Program

#Question id: 23702

#Unit 13. Methods in Biology

The major advantage of using artificial chromosomes such as YACs and BACs for cloning genes is that

TLS Online TPP Program

#Question id: 3919

#Unit 3. Fundamental Processes

Most of the RNA polymerase activity in eukaryotic cells occurs in the

TLS Online TPP Program

#Question id: 729

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is correct about the collagen triple-helix domain

a. is rich in glycine. b. is rich in proline.

c. is rich in hydroxyproline. d. is an alpha helix.

TLS Online TPP Program

#Question id: 19832

#Unit 12. Applied Biology

The single component system is based on the expression of a toxic polypeptide in response to

TLS Online TPP Program

#Question id: 22010

#Unit 1. Molecules and their Interaction Relevant to Biology

Some of the following characteristics of graph are given below related to Lineweaver-Burk equation

a) Also known as double reciprocal

b) Both the variable of X and Y axis are independent to each other

c) Both the variable of X and Y axis are dependent to each other

d) positive plot observed

e) Km obtained from slope

Choose the set of correct characteristics