Answer:
Taxol induces the assembly of microtubules, while Nocodazole suppresses tubulin assembly
Explanation:
Taxol and nocodazole are antimitotic drugs, i.e., drugs that inhibit the progression through the cell cycle, which is useful for killing cancer cells. Microtubules are proteins that act as the 'skeleton of the cell', which need to be reorganized when cells replicate. These structures (microtubules) are composed of α and β-tubulin heterodimers which assemble into protofilaments of microtubules. Taxol is an antimitotic drug that induces the formation of microtubules, thereby inhibiting microtubules' reorganization during mitosis. In consequence, cells treated with Taxol enter into apoptosis (i.e., programmed cell death). Moreover, Nocodazole is known to induce microtubule disassembly by interfering with the polymerization of tubulin monomers. In consequence, Nocodazole is useful to depolymerize the microtubule cytoskeleton.
Answer:
What are the different steps needed to produce the fuel used in nuclear power plants are
1. Uranium.
2.Uranium mining.
3.Uranium milling.
4. Conversion and enrichment.
5. Fuel fabrication.
6. Power generation and burn-up.
7. Used fuel.
8. Reprocessing.
9. Uranium and plutonium recycling
10. Wastes
11. Used fuel and separated wastes: final disposal
Explanation:
In the endosymbiont theory, an engulfed prokaryote that could perform respiration evolved over the generations into mitochondria providing the cell with an efficient means of producing ATP from organic compounds.
Similarly, an engulfed prokaryote that could perform photosynthesis evolved over the generations into chloroplast providing the cell with sunlight-generated sugar.
Explanation:
Endosymbiosis is the mutual relationship between two organisms. The theory explains that eukaryotes have evolved from prokaryotic cell or organism.
The host eukaryotic cell engulfed bacteria or prokaryote as bacteria was once an independent entity which could perform cellular respiration and photosynthesis. Possibility of one more cell which engulfed other cells is there.
Mitochondria have its own DNA and is the centre of ATP production which suggests that mitochondria has evolved over the time by photosynthetic bacteria. Sequence analysis also suggest that mitochondria had evolved from eubacteria.
The bacteria integrated into plant cell able to perform photosynthesis has evolved in to chloroplast int the plant cells.
Answer:
Last one
Explanation:
since Osmosis is the diffusion of water. In comparing two solutions of unequal solute concentration, the solution with the higher solute concentration is hypertonic, and the solution with the lower concentration is hypotonic. Solutions of equal solute concentration are isotonic
Answer:
The size of a seed in a specific plant is transmitted as a polygenic trait. When crossing between two true-breeding varieties takes place, the heterozygous individuals are obtained in the F1 generation. When these F1 offspring are backcrossed with one of the parents, there will be an increase in the variance. This is due to the fact that the backcross progeny are not uniformly heterozygous at the seed size loci.
