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Ancistrus is a genus of nocturnal freshwater fish in the family Loricariidae of order Siluriformes, ... Historically, commonly available species of Ancistrus were Ancistrus cirrhosus and Ancistrus temminckii; other species are now available, though .
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Answer:
Channel protein.
Explanation:
Channel protein have gate that opens and close which allow the passage of polar substance or ions to move to permeable membrane of the cell by diffusion. They are water filled and allow the movementof charged molecules inside and outside the cell membrane i.e polar molecules move through non polar bilayer of the cell membrane.
Answer: A tRNA with the complementary anticodon is attracted to the ribosome and binds to this codon. The tRNA carries the next amino acid in the polypeptide chain. The first tRNA transfers its amino acid to the amino acid on the newly arrived tRNA, and a chemical bond is made between the two amino acids.
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Explanation:Dendrites are the segments of the neuron that receive stimulation in order for the cell to become active. They conduct electrical messages to the neuron cell body for the cell to function
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The drug methotrexate belongs to the group of drugs known as antimetabolites. By reducing the growth of cancer cells, methotrexate treats cancer. In order to prevent the development of scales, methotrexate slows the growth of skin cells in psoriasis. Methotrexate may treat rheumatoid arthritis by reducing immune system activation.
Methotrexate obstructs the creation of DNA. This prevents cell division and growth, which slows or stops the growth of cancer. Cancer cells are more vulnerable to this harm because they divide more quickly and with less error-correcting than healthy cells do.
Acute lymphoblastic leukaemia (ALL), especially ALL that has progressed to the central nervous system, can be treated with methotrexate sodium alone or in combination with other medications.
Learn more about methotrexate here:
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