Which of the following is the odd one out?

  • A
    Keratin
  • B
    Elastin
  • C
    Dextrin
  • D
    Collagen

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Similar Questions

Match the following columns:
Column $I$Column $II$
$(A)$ Chlorine$(i)$ Outer surface of aerial parts of plants
$(B)$ $DHAP$$(ii)$ Structural component of plant cell wall
$(C)$ Cellulose$(iii)$ Osmoregulation in blood
$(D)$ Crotonic acid$(iv)$ Phosphorylated ketotriose
$(E)$ Wax$(v)$ Unsaturated fatty acid

Which of the following vitamins is essential for $DNA$ synthesis and cell division?

Vitamin-$C$ is known as ......

Match the items in Column-$I$ with Column-$II$ and select the correct option.
Column-$I$ Column-$II$
$(A)$ Aspartic acid $(i)$ Two $\alpha$-chains and two $\beta$-chains
$(B)$ Haemoglobin $(ii)$ $FMN$
$(C)$ Cytoplasm $(iii)$ Nitrogen fixation
$(D)$ Azotobacter $(iv)$ Site of protein synthesis
$(v)$ Polar and negatively charged amino acid

How many covalent bonds are present in the water molecules shown in the given figure?

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