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TLS Online TPP Program

#Question id: 5564

At the moment of sperm penetration, human eggs ________.

#SCPH06 I Botany

  1. have used flagellar propulsion to move from the ovary to the oviduct

  2. are still located within the ovary

  3. have a paper-thin cell of calcium carbonate that prevents desiccation

  4. are still surrounded by follicular cells

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TLS Online TPP Program

#Question id: 804

#SCPH05 I Biotechnology

With respect to microRNAs, which, if any, of the following statements, is false?

a) A microRNA normally works by binding to perfectly complementary sequences within an RNA transcript, usually an mRNA.

b) Like the great majority of mRNAs an miRNA is usually produced as a larger precursor RNA that is capped and has a 3’ poly(A) tail.

c) The precursor miRNA undergoes different types of post-transcriptional cleavage by endoribonucleases that are specific for double-stranded target sequences.

d) A nuclear endoribonuclease called dicer cleaves the miRNA precursor so that it forms a stem-loop RNA.
TLS Online TPP Program

#Question id: 4150

#SCPH28 | Zoology

Posttranslational glycosylation of proteins is inhibited specifically by:
TLS Online TPP Program

#Question id: 18007

#SCPH28 | Zoology

The following geological eras mark the advent of important events in the history of earth- origin of first vertebrates armored fishes, origin of First reptiles, origin of first dinosaurs;
a) Triassic b) Pennsylvanian
c) Ordovician d) Cambrian

Identify the correct match of the events with the geological era;
TLS Online TPP Program

#Question id: 839

#SCPH06 I Botany

How do chaperons identifies unfolded/partially folded protein?
TLS Online TPP Program

#Question id: 5423

#SCPH28 | Zoology

Maximum height of plant is 200 cm and minimum average height is 80cm. if plant height is controle by 5 pairs of polygene, which of the following plant exhibit average phenotype?