What steps are involved in the production of hydroelectric power?

a. falling water turns a turbine that generate electricity

b. moving water turns a paddle wheel that generate electricity

c. potential energy of after is directly transformed into electrical energy

d. water falls down a pipe to generate electricity

Option A

Explanation:

In the process of generating hydroelectricity , following process takes place

a) Water is retained through dam and is stored at high elevations

b) Water is then allowed to fall from great heights. In this process the potential energy  (attained due to storage of water at great heights) is transformed into another energy form i.e kinetic energy

c) In the next stage, kinetic energy of water is used to rotate the turbine blade.  

d) The turbine is connected to the motor which is placed between two magnets.  

e) As the rotor rotates between the two magnets, electricity is generated.

Hence, option A is correct

you are certainly talking about this picture:

a: is the label of the white square, it is showing the  replication fork, formed by helicase (d) ==> so it is the site of dna separation and replication 

b: is a new dna brand that is following directly the replication fork, so it is continuous ==> built continuously from 5' to 3

c: dna polymerase cannot replicate dna on its own, it needs the of their proteins, and one of them plays the role of a clamp which fixes  the dna with the dna template and increases  the processivity of the enzyme. ==>   stops polymerase from falling off the  template.

d: is the enzyme responsible for forming the replication fork (helicase) ==> unwinds and separates dna into two strands

e: is the delayed strand, it is built  in the opposite sense of the helicase, so dna will be built in fragments ==> built  fragments from 5' to 3 joins

and finally f: is the enzyme that builds  the new dna strand (dna polymerase) ==>   adds nucleotides to make a new dna helix.

credit: gradman555p98x9p

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hope this you! : )

(i popped my answer into google translate so it may be a bit wonky)