Male insects attempt to mate with orchids but eventually stop responding to them. What term best applies to this behavior?

TLS Online TPP Program

#Question id: 28742

#Unit 2. Cellular Organization

Peroxisomes carry out which type of reaction?

a) oxidation reactions

b) oxidation-reduction reactions

c) Hydrolysis reactions

d) peroxidation reaction

TLS Online TPP Program

#Question id: 31083

#Unit 4. Cell Communication and Cell Signaling

The rise in the cytosolic Ca²⁺ level is transient because: 

TLS Online TPP Program

#Question id: 1200

#Unit 4. Cell Communication and Cell Signaling

Glucagon binds to the glucagon receptor, which interacts with a membrane-bound G protein, whose α subunit releases GDP and binds GTP. The α subunit then dissociates from the G protein and diffuses to a membrane-bound adenylyl cyclase which produces cAMP. In this scenario, name the

(1) transducer,

(2) effector,

(3) first messenger, and

(4) second messenger.

TLS Online TPP Program

#Question id: 23080

#Unit 12. Applied Biology

During the growth of animal cells in culture, it is noticed that the cells do not look very healthy. After an investigation, this is found that there is a lot of lactic acid in the culture fluid. What is probably wrong with this culture?

TLS Online TPP Program

#Question id: 19883

#Unit 13. Methods in Biology

Which of the following statements are true regarding rDNA technology?

a) rDNA technology is used to obtain large number of copies of specific DNA fragments

b) rDNA technology is used to obtain large quantities of the protein produced by the concerned gene

c) rDNA technology is used to integrate gene of interest into chromosomes where it express itself