Which one of the following statement is incorrect about facilitated diffusion?
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Determine the correctness or otherwise of the following Assertion (A) and the Reason (R).
Assertion: The elucidation of ribosome structure helps in the development of new generation drugs.
Reason: The high resolution of macromolecular structure has enabled in structure-based drug design.
Assertion: The elucidation of ribosome structure helps in the development of new generation drugs.
Reason: The high resolution of macromolecular structure has enabled in structure-based drug design.
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The transport that will be the most affected following mutation III cystic fibrosis transmembrane conductance regulator (CFTR) gene is
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Cholera toxin increases cAMP levels by
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The genome is diploid at the end of which phases of a human mitotic cell cycle?
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Match Group I with Group II.
| Group I | Group II |
| P. Fibronectin | 1. Uptake of amino acids and glucose |
| Q. Insulin | 2. Trypsin inhibitor |
| R. α-Macroglobulin | 3. Binds iron |
| S. Transferrin | 4. Cell attachment to substratum |
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Gas vacuoles are present in
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At what stage mitosis occurs in bacteria?
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In the cell cycle of a typical eukaryote, the sequence of events operating at the time of cell division is
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Match the proteins in Group I with cellular processes in Group II.
| List-I | List-II |
| P. p53 | 1. DNA packaging |
| Q. Lysozyme | 2. Apoptosis |
| R. Tubulins | 3. Hydrolysis of polysaccharides |
| S. Histones | 4. Chromosome segregation |
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A metacentric chromosomes will appear at anaphase as
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Histone proteins are synthesized in
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Determine the correctness or otherwise of the following Assertion [A] and the Reason [R] regarding mammalian cells.
Assertion [A]: Cells use Ca2+ and not Na+, for cell to-cell signaling.
Reason [R]: In the cytosol, concentration of Na+ is lower than that of Ca2+
Assertion [A]: Cells use Ca2+ and not Na+, for cell to-cell signaling.
Reason [R]: In the cytosol, concentration of Na+ is lower than that of Ca2+
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Smooth endoplasmic reticulum synthesizes
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DNA synthesis in eukaryotes occurs during which phase of the mitotic cell cycle?
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Which one of the following statements regarding G proteins is incorrect?
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If serum is removed from the growth medium of human embryonic kidney cell line (HEK), then the cells will
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Fusicoccin promotes cotyledon growth by promoting
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In eukaryotic cell, DNA replication takes place during
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Primary neutransmitter that playa role in sleep, appetite, arousal and mood is
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