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zhenek [66]
2 years ago
15

Outline the pathway of a breath of air from the nose to the alveoli.

Biology
1 answer:
Alekssandra [29.7K]2 years ago
5 0

Answer:

Pathway of air: nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi > bronchioles > alveoli (site of gas exchange)

Explanation:

Mark as Brainliest Answer

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What is the stimulus shown in the photographs?
Mnenie [13.5K]

<em>Answer: D. the insect touching the trigger hairs</em>

<em>I did the test</em>

6 0
3 years ago
Restriction enzymes: A) act at the membrane to restrict the passage of certain molecules into the cell. B) are highly specialize
Elenna [48]

Answer:

C) are sequence-specific DNA endonucleases

Explanation:

Restriction enzymes represent a type enzyme capable of recognizing short nucleotide sequences to cut at specific restriction sites in the DNA, these sites are known as target DNA sequences. Some of the most commonly used restriction enzymes are <em>EcoRI</em>, <em>BamHI</em> and <em>HindIII</em>, isolated from <em>Escherichia coli</em>, <em>Bacillus amyloliquefaciens</em> and <em>Haemophilus influenza</em>, respectively. Restriction enzymes are endonucleases because these enzymes only cleave the phosphodiester bond within the DNA chain, conversely to exonucleases, which cleave nucleotides from the end of the polynucleotide DNA strand.

3 0
3 years ago
What is the end result of mitosis and meiosis?a.Mitosis and meiosis result daughter cells for growth, development and reproducti
Kay [80]

Answer:

<h2>Mitosis and meiosis are the ways of cell division which result daughter cells for growth, development and reproduction. </h2>

Explanation:

Mitosis and meiosis result daughter cells for growth, development and reproduction in the living world.

Mitosis results two similar daughter cells which are generally for growth and development. In asexual mode of reproduction, mitosis helps in increasing the number of cells.

Meiosis occurs in germ cells, and in meiosis, one diploid cell produce four haploid cells.

Meiosis results variations by independent assortment and by crossing over and it helps the sexual mode of reproduction. During fertilization, the resultant daughter haploid cells unite and retains the diploid number of chromosomes.

9 0
3 years ago
Name at least two of the microorganisms known<br> to cause disease.
Svetlanka [38]
Answer: a) Bacteria
Example of a disease caused by bacteria –
Tuberculosis (TB) is a kind of respiratory disease caused by bacterium called Mycobacterium tuberculosis.
B) Fungi
Example of a disease caused by Fungi
Athlete's foot is a fungal disease caused by Trichophyton (hopefully this helped)
4 0
3 years ago
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1. Who was Alfred Wegener?
azamat

Answer:

Alfred Lothar Wegener was a German polar researcher, geophysicist and meteorologist. During his lifetime he was primarily known for his achievements in meteorology and as a pioneer of polar research.

3 0
2 years ago
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