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TLS Online TPP Program

#Question id: 5564

At the moment of sperm penetration, human eggs ________.

#SCPH28 | Zoology

  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: 5563

#SCPH28 | Zoology

In mammalian eggs, the receptors for sperm are found in the ________.
TLS Online TPP Program

#Question id: 1108

#SCPH06 I Botany

Which of the following amino acids are most frequently phosphorylated by protein kinases in the cytoplasm during signal transduction?
TLS Online TPP Program

#Question id: 672

#SCPH05 I Biotechnology

An ideal α-helix has a pitch of 0.54 nm and a rise of 0.15 nm. What is the length along the helix axis for a segment of an ideal α-helix that contains 30 amino acids?
TLS Online TPP Program

#Question id: 12722

#SCPH06 I Botany

Eleven amino-acid consensus sequence motif TAQAAKEKAXE is repeated in the protein,  is the structural characteristics of which type of group of LEA protein?
TLS Online TPP Program

#Question id: 5551

#I Life Science/ Life Sciences Group – I-V

When the vertebrate embryo grows into a hollow ball, it is called a