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Tresset [83]
4 years ago
8

What are spiracles? what are spiracles? openings into the tracheae of insects openings to the parabronchi openings into the alve

oli of the lungs openings to the bronchi openings between the gills of a frog tadpole?
Biology
1 answer:
ankoles [38]4 years ago
3 0

I believe the answer is openings into the tracheae of insects

Spiracle is an opening that connect to the respiratory organ. When opened, the spiracle will allow air from atmosphere to flow to the trachea. It could be found in insect like spider or in vertebrae like jawless fish. You could say that spiracle is similar to nostril in human

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Describe the three structural components of an RNA nucleotide monomer. Explain the role of RNA polymerase during transcription.
igomit [66]

The structural components of an RNA and the role of the polymerase during transcription is explained below and the nucleotide is formed by the chemical substances and the polymerase plays a role in commencing to the gene expression.

<u>Explanation:</u>

<u>1.Three structural components of an RNA nucleotide monomer:</u>

  • A nucleotide is formed by the three unique chemical substances namely a  5-carbon sugar molecule, a nitrogenous base, and a phosphate group with all these three combinations the nucleotide is formed.

<u>2.The role of RNA polymerase during transcription:</u>

  • <u> </u>RNA polymerase examines the method of transcription, through which the data collected in a molecule of DNA is drawn into a new molecule of messenger RNA.
  • This transcription is the first round commencing to gene expression.
  • RNA synthesis is provided out by proteins and that copies the genetic data from DNA in a very organized, multi-stage method

<u></u>

4 0
3 years ago
What is a habitat ?
Dennis_Churaev [7]

Answer:

C because habitat means a place a type pf animal lives

4 0
3 years ago
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Waste management is an enviornmental issue that has been addressed by enviornmental policy true or false
spayn [35]

Answer:true example of environmental policy is on banning the use of plastic bags which initiate waste management as it initiate re-using

5 0
4 years ago
The inner surface of the eyelids and the exposed surface of the eye itself are covered by a delicate membrane called the:
tia_tia [17]
The answer is conjunctiva.
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How would a tree falling from the top most layer most immediately affect the surrounding plants in the other lower layers?.
Pachacha [2.7K]

Answer:

More sunlight but less space.

Explanation:

The fallen tree would have let in more sunlight as it was blocking sunlight from getting in most of the time. Since the tree fell more sunlight will be able to get in. The only problem would the fact that there will be less space depending on the size of the tree and how it fell over.

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