The vitamin theory was proposed by:

  • A
    Hopkins and Funk
  • B
    Holly and Khorana
  • C
    Watson and Crick
  • D
    Jensen and Meischer

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When the body is rapidly oxidizing fat,excessive ketone bodies get accumulated in the body,resulting in the formation of

Select the correct match for $X$ and $Y$:
Column $X$Column $Y$
$(1)$ Skin color$(P)$ Immunoglobulin
$(2)$ Immunity$(Q)$ $Mg^{+2}$ containing protein
$(3)$ Movement$(R)$ Melanin
$(4)$ Exoskeleton$(S)$ Protein with four heme groups
$(5)$ Photosynthesis$(T)$ Keratin
$(6)$ Transport of respiratory gases$(U)$ Globular protein

Identify the two organic compounds shown in the molecular structures below and state their respective functions.

At what temperature is the density of water maximum (in $^\circ \text{C}$)?

Which of the following statements is correct?

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