Microtubules, which are proteins shaped like tubes, are one component of the cytoskeleton. They are involved in maintaining the shape of the cell; without them, the cell would be squished by its neighboring cells. They are also responsible for organizing the inside of the cell and for various...
Microtubules are exactly how they sound: microscopic hollow tubes found inside eukaryotic cells and some prokaryotic bacteria cells that provide structure and motor functions for the cell. Biology students learn during their studies that there are only two types of cells: prokaryotic and eukaryotic. Pr...
Neurofilaments (NF) are classed as type IV intermediate filaments foundin the cytoplasm of neurons. They are protein polymers measuring 10 nm in diameter and many micrometers in length. Together with microtubules (~25 nm) and microfilaments (7 nm), they form the neuronal cytoskeleton. What is...
What is the function of mitochondria in biology? What organelles produce ATP? What are the functions of Mitochondria? ATP is a produced in the what and used how within the cell? 1. mitochondria; used as an energy molecule 2. endoplasmic reticulum; transport molecules 3. golgi apparatus; synth...
Discuss the importance of mitosis. Explain why both mitosis and meiosis are necessary parts of the cell cycle. Describe the objective of mitosis. What mechanism(s) in mitosis allow this to occur? What is the role of microtubules in mitosis?
Laboratory observation has led to the hypothesis that the sperm tail moves when the microtubules, powered by adenosine triphosphate (ATP), slide past one another, moving by means of their dynein arms, which are actual molecules of ATP activity. This sliding microtubule hypothesis is considered to ...
Significance of preprophase bands of microtubules in the induction of microspore embryogenesis of Brassica napus Microspores of Brassica napus L. cv. Topas, undergo embryogenesis when cultured at 32.5 °C for the first 18–24 h and then at 25 °C. The first d... SWA Keller - 《Pl...
Users who have a valid maintenance plan are granted the advantage of receiving regular upgrades at no extra cost. These upgrades encompass not only bug fixes and security patches but also introduce new features and enhancements to improve the overall user experience. By keepin...
This can be used as a positive control to check if the stain is working as expected. 3. Lysosomes Lysosomes are described as the digestive system of the cell; they contain degradative enzymes. To maintain the function of these enzymes, the lysosome must remain in acidic conditions (around pH...
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