What did the Clean Air Act of 1970 permit U.S. citizens to do for the first time?

1 answer:

8 0

I think B is the answer The Clean Air Act That prevented air pollution and protected the ozone layer as well as promote public health. This act gave Enviromen. Protection Agency the power to take effective action fighting environmental air pollution

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All of the following statements are true about enzymes, EXCEPT

WITCHER [35]

D is false, enzymes can be reused

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Reactants bind to enzymes at the what?

torisob [31]

Answer:

Enzymes bring reactants together so they don't have to expend energy moving about until they collide at random. Enzymes bind both reactant molecules, called the substrate, tightly and specifically, at a site on the enzyme molecule called the active site

Explanation:

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How do we describe the motion of an object

Scilla [17]

Answer:

by its position,speed,direction and acceleration

Explanation:

An object is moving if its position relative to a fixed point is changing, even that appear to be at rest move

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Photosynthesis and carbon fixation can only occur in the presence of light true or false

maw [93]

Hi there. I believe the answer is True. Hope I helped.

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3 years ago

Read 2 more answers

Need help with this asap please

AlekseyPX

Answer:

The step in gene expression in the drawing model is identified as the step of transcription, in which part of DNA nucleotide is copied into a complementary sequence in RNA.

Explanation:

Transcription is a process that consists of the synthesis of a single strand of mRNA, from one of the DNA strands, which will be used as a template strand.

The enzyme responsible for the transcription process is RNA polymerase which, based on the nucleotide sequence of the DNA strand, will add complementary nucleotides to the mRNA strand following the rule of base complementarity:

If DNA has: Complement in mRNA it is:

Adenine Uracil (no thymine in RNA)

Thymine Adenine

Cytosine Guanina

Guanine Cytosine

In summary, a part of the DNA is responsible for the synthesis of an RNA strand where its nucleotides will be complementary, which is illustrated in the drawing model.

The other options are not correct because replication, reproduction or translation do not correspond to the processes illustrated in the picture.

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2 years ago