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TLS Online TPP Program

#Question id: 11676

In humans, the transport epithelial cells in the ascending loop of Henle:

#SCPH28 | Zoology
  1. are the largest epithelial cells in the body
  2. are not in contact with interstitial fluid
  3. have plasma membranes of low permeability to water
  4. are not affected by high levels of nitrogenous wastes
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TLS Online TPP Program

#Question id: 305

#SCPH28 | Zoology

Conditions for ionic bond formation is / are________

(A) Small cation, large anion

(B) Low IP of cation, high electron affinity of anion

(C) Large cation, small anion and less charge

(D) Less lattice energy

Correct answer is:
TLS Online TPP Program

#Question id: 13082

#SCPH06 I Botany

Statement: AFLP shares some features of both RFLP and RAPD analyses.
Explanations: I. It uses restriction enzyme-digested genomic DNA as template for PCR amplification using primers that contain the restriction enzyme recognition sites plus a number of, usually 2-3, arbitrary nucleotides.
II. AFLPs are faster, less labour intensive and provide more information than RFLPs, and they are highly reproducible, which is a great advantage over RAPDs.
TLS Online TPP Program

#Question id: 6958

#SCPH01 Biochemistry

Vg-1 and wnt are used in both frogs and chicks to establish a body axis, although in chicks this is the antero-posterior axis instead of the dorso-ventral axis. What is the region of the chick embryo that is thus analogous to the Nieuwkoop center?
TLS Online TPP Program

#Question id: 7316

#SCPH28 | Zoology

Programmed cell death, or apoptosis, is an essential part of animal development. In the nematode, with its invariant cell lineage, particular cell lineages or particular cells within specific lineages are destined to end in programmed cell death, and it was this feature that allowed the identification of the process and the analysis of its genetic control.

Which of the following combination of genes are correct?
TLS Online TPP Program

#Question id: 11952

#SCPH28 | Zoology

Lysine is an essential amino acid for animals. If an animal did not consume lysine in its diet, you might expect that the animal