What is the engineering cycle and why is it important

1 answer:

8 0

An engineering cycle is meant to assess the environmental impacts in relation to economic impacts on a product. The assessment is the whole life cycle of a product consisting of production, use phase and end of life. It's important because it helps mold the standard of living for generations to come and be sustained indefinitely. It protects against negative environmental factors but also reduces the cost of production for business', also.

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C. Are all of the cells the same size? Yes or no.<br> HELP ASAP!!

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Answer:

No not all cells are the same size.

Explanation:

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The movement of a ciliated protozoan is controlled by a protein called RacerX. When this protein binds to another protein found

zhuklara [117]

Answer:

C.Never swims fast

Explanation:

RacerX and Speed protein need to bind to each other for the cilia to beat faster which would make the protozoan swim faster. However, Speed needs to be phosphorylated to be able to bind to RacerX. Thus, phosphorylation of Speed is necessary for the fast movement of cilia.

Threonine residue is phosphorylated in Speed protein. It occurs on its side chain through the formation of phosphoester bond. Apart from threonine, phosphorylation can take place on serine and tyrosine side chains again through the formation of phosphoester bond. It can also occur on histidine, lysine and arginine by formation of phosphoramidate bonds.

Since, alanine can not form any of these bonds it can not be phosphorylated. Hence when threonine is substituted with alanine in Speed protein, it can not be phosphorylated. Racer X wont be able to bind to Speed and cilia wont beat faster. As a result the protozoan will never swim fast.

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3 years ago

____ is the formation of a new species from an existing species and can occur in two phases.

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