TLS Online TPP Program

#Question id: 10438


Which of the following are participate in the control of circadian clocks and flowering?

#Unit 6. System Physiology – Plant
  1. Cryptochromes (cry)
  2. ZTL family
  3. Phototropins (phots)
  4. phytochromes
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TLS Online TPP Program

#Question id: 636

#Unit 1. Molecules and their Interaction Relevant to Biology

DNA polymerase contains a lysine residue that is important for binding to DNA. Mutations were found that converted this lysine to either glutamate, glycine, valine, or arginine. Which mutations would be predicted to be the most and least harmful to the ability of the enzyme to bind DNA?

Most

Least

(A)

Valine

Aspartate

(B)

Glycine

Arginine

(C)

Arginine

Glycine

(D)

Glutamate

Arginine

TLS Online TPP Program

#Question id: 11418

#Unit 10. Ecological Principles

Use the following diagram of five islands formed at around the same time near a particular mainland, as well as MacArthur and Wilson's island equilibrium model principles


Which island would likely have the lowest extinction rate?

TLS Online TPP Program

#Question id: 3523

#Unit 8. Inheritance Biology

If the number of heterozygous pairs involved in a particular cross is three, the phenotype ratio obtained in their F2 generation will be-

TLS Online TPP Program

#Question id: 19706

#Unit 13. Methods in Biology

In second-degree heart block

TLS Online TPP Program

#Question id: 14995

#Unit 4. Cell Communication and Cell Signaling

NKT Cells, which share features with both conventional T lymphocytes and NK cells,
Statement-I) Like T-cells, NKT Cells have T-cell receptors (TCRs), and some express CD4.
Statement-II) Like NK cells, NKT Cells have antibody receptors  
Statements-III) they are APCs
Given above statements, which is sharing correct features of NKT cells?