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Metaphase
This is a period of short duration, the chromosomes are at the stage of their maximum condensation and , hence more clearly visible ,Upon each side of their centromeres, a plate or cup like dise ,formed of protein complexes and called kinetochore , appears in the depression of the chromatid of this side the kinetochore of each side is seen to be attached to a bundle of a number ( usually 20 to 40 ) of newly formed spindle fibres called discontinuous , or attachment , or chromosomal , or interzonal spindle fibres . The opposite ends of these fibres are attached to the spindle poles of their respective sides. These fibres pull the scattered chromosomes and align then in a fixed specific manner at the equatorial plane of the spindle forming what is known as the equatorial or metaphase plate.
Which are the molecules that make possible active transport through membranes? Ans) Active transport is made by particular membrane proteins. These proteins are known as "pumps"
The second maturation division of the mammalian ovum occurs: 1. Shortly after ovulation before the ovum makes entry into the Fallopian tube 2. Until after the ovum has been p
Explain the systemic antibiotic cover The need for systemic antibiotic cover should be considered. The original protocols recommended an antibiotic such as amoxicillin 250 mg
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What do you understand by Exoskeleton. Supporting structures of skeleton not surrounded by the body. Endoskeletal elements are secreted by an underlying epidermis and one side
WHERE DOES LIZARD LIVE
Multipotent SCs: are cells differentiated & form a number of other tissues, while their sources are not fetal tissue; umblical cord blood & postnatal stem cells including dental p
Q. Write the blood sugar in normal range and range in diabetes? Normal Diabetes mellitus >126 mg / dl >200 mg / dl
Explain Defensive Proteins These proteins protect against diseases. Antibodies are the example of defensive proteins. These combat bacteria and viruses. Also, immunoglobulins,
development of chick
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