Select the correct statements regarding cell membrane in eukaryotic cell.
A. Membrane of human RBCs has approximately $52 \%$ protein.
B. Major phospholipids are arranged in a bilayer.
C. Extensions of the plasma membrane into the cell form mesosomes.
D. Tails towards the inner part of lipids are hydrophobic and thus protected from aqueous medium.
E. Glycocalyx is present on the outer surface of the plasma membrane.
Choose the correct answer from the options given below:
C, D and E only
B, C and E only
A, B and D only
A, C and E only
$$ \text { Match List I with List II related to muscular/skeletal system: } $$
| $$ \text { List I } $$ |
$$ \text { List II } $$ |
||
|---|---|---|---|
| A. | Tetany | I. | Inflammation of joints |
| B. | Arthritis | II. | Autoimmune disorder affecting neuromuscular junction |
| C. | Myasthenia gravis | III. | Wild contraction in muscle due to low $\mathrm{Ca}^{++}$in body fluid |
| D. | Muscular dystrophy | IV. | Progressive degeneration of skeletal muscle |
A-III, B-I, C-II, D-IV
A-I, B-II, C-III, D-IV
A-IV, B-III, C-II, D-I
A-III, B-II, C-I, D-IV
Evolution of human appears parallel to the progressive development of brain and language skills. As such, the evolution of individual species in the sequence of their appearance is:
Ramapithecus тЖТ Homo habilis тЖТ Homo erectus тЖТ Neanderthal тЖТ Homo sapiens
Homo sapiens тЖТ Ramapithecus тЖТ Homo habilis тЖТ Neanderthal тЖТ Homo erectus
Homo habilis тЖТ Homo erectus тЖТ Ramapithecus тЖТ Neanderthal тЖТ Homo sapiens
Neanderthal тЖТ Ramapithecus тЖТ Homo habilis тЖТ Homo erectus тЖТ Homo sapiens
The flightless bird with forelimbs modified as paddle-like structures suited for swimming is known as:
Struthio
Neophron
Aptenodytes
Psittacula
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