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they have no difference.. they are same

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14y ago

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Is DNA double-stranded and helical?

DNA in its native form is double-stranded and helical.


Why is double helix structure of DNA important?

#Herringbone gears are a type of double helical gear, meaning that they have both a left hand and right hand element to cancel thrust or side loading on their bearings. A true herringbone has a 30° helix angle, 20° transverse pressure angle, and an AGMA stub whole depth factor. They may have a center groove between the two hands, but this is not absolutely necessary. Herringbone gears are cut on specialized machines that cut both hands at the same time, precisely locating the apex of the two helixes.#The double helical form balances the inherent thrust forces.[Double helical gears, invented by André Citroën and also known as herringbone gears, overcome the problem of axial thrust presented by 'single' helical gears by having teeth that set in a 'V' shape. Each gear in a double helical gear can be thought of as two standard, but mirror image, helical gears stacked. This cancels out the thrust since each half of the gear thrusts in the opposite direction. They can be directly interchanged with spur gears without any need for different bearings.Where the oppositely angled teeth meet in the middle of a herringbone gear, the alignment may be such that tooth tip meets tooth tip, or the alignment may be staggered, so that tooth tip meets tooth trough. The latter type of alignment results in what is known as a Wuest type herringbone gear.With the older method of fabrication, herringbone gears had a central channel separating the two oppositely-angled courses of teeth. This was necessary to permit the shaving tool to run out of the groove. The development of the Sykes gear shaper now makes it possible to have continuous teeth, with no central gap.]#Double helical gears give an efficient transfer of torque and smooth motion at very high rotational velocities.#A disadvantage of herringbone gears is the high cost due to special gear shaping equipment and special cutting tools.-Also during assembling a gear box ,aligning is to be given special attention


What are some tips for creating a double herringbone pattern in a knitting project?

To create a double herringbone pattern in knitting, follow these tips: Start with a multiple of 8 stitches plus 2 for the pattern repeat. Begin by knitting 2 stitches together, then yarn over, and repeat across the row. On the next row, knit the yarn overs through the back loop to create the herringbone effect. Repeat these two rows to continue the double herringbone pattern. Pay attention to tension and gauge to ensure a consistent and neat pattern.


The Watson and Crick model of DNA is known as a?

Double helical structure


What is the difference between a double wide and a manufactured home.?

The difference between a double wide and a manufactured home is that the manufactured home is put on a foundation.


What is double the difference between 28 41?

26


Shape difference between dna and rna?

The main difference in shape between DNA and RNA lies in their sugar molecules. DNA contains deoxyribose sugar, which lacks an oxygen atom on the 2' carbon, resulting in a double-stranded helical structure. RNA, on the other hand, contains ribose sugar with the oxygen atom, giving it a single-stranded structure that can fold into various shapes.


What is the Difference between double room and a double standard room?

The difference between a double room and a double standard room is the double often contains two beds. A standard double has just one bed and is designed for two people.


What is double the difference between the number 28 and 41?

The idea is to first do the subtraction, then multiply the result by 2.


What is the difference between twice and double in math?

I don't think there is a difference.


How many double helical twists does a DNA have?

Your entire genome is coiled into a double helixes and these are intern coiled up further.


43 What is the shape of DNA?

DNA is double helical (like a step ladder) in structure