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Explain the term Microfilaments ?
Microfilaments are fine fibrils, only 7 nm in diameter, composed of a protein called actin. Actin is one of the two major proteins involved in muscle contraction. Energy for muscle movement is provided by interaction of actin with myosin, another protein also found in muscle, and the breakdown of ATP (adenosine triphosphate).
In eukaryotic cells, microfilaments are responsible for cell locomotion, cell division, amoeboid movement, and cytoplasmic streaming.
Cytoplasmic streaming is a continuous or back-and-forth movement of cytoplasm that is thought to circulate oxygen and nutrients, remove wastes in large cells, and to shift cell contents in association with amoeboid movement.
Explain Structural protiens Structural proteins are fibrous proteins. The most familiar of the fibrous proteins are probably the keratins, which form the protective covering o
ENTROP Y - Transfer of energy takes place from high energy level to low energy level. Rudol f clausius gave this term. During it there is collision of particles, r
Give a detailed description of stereoblastula, please ?#
why psilopsida have rootless sporophyte
Which is the normal sign of the electric charge among the two sides of the neuron plasma membrane? What is the potential difference (voltage) generated among these two sides? What
in what part of the human body aschelminthes found?
Q. What are the main causes of the loss of biological diversity nowadays? The largest dangers to the biological diversity today are the action of humans. The major of them is t
Scope for public nutrition
Define Requirements of Chromium? There is no Recommended Dietary Allowance (RDA) for chromium but adequate intakes that can be used as a goal for individual intakes has been pr
HlSTORY OF PSYCHIATRY: The earliest treatment of mental disorders was practiced by stone age cave dwellers. For certain mental disorders, the early Shaman or medicine man, t
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