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ladessa [460]
3 years ago
8

The two external openings into the nasal cavity are called the:

Biology
1 answer:
Kazeer [188]3 years ago
5 0
The answer is nares. Breathing describes the process of inhaling and exhaling air. The exchange of gases between living cells and the environment is a process known as respiration, consists of the respiratory. The respiratory system, which controls breathing and respiration, consists of the respiratory tract and the lungs. The nose is the only external part of the respiratory system. It is made of bone and cartilage and is covered with skin. The two openings to the outside, called nostrils, allow air to enter or leave the body during breathing.
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Which of the following best explains why enzymes are necessary for many cellular reactions?
kow [346]

Answer:

C. The reactions take up too much space in the cell if the enzymes are missing.

Explanation:

6 0
3 years ago
The graph shows the altitude and temperature for different layers of Earth’s atmosphere. Based on the diagram, which of the foll
Hoochie [10]

The statement that is correct regarding the troposphere and the stratosphere is The ozone layer is in the stratosphere. The third one is true. The ozone layer acts as a protection layer that prevents UV light.

<h3>What are the layers of the atmosphere?</h3>

The atmosphere is divided into many layers, with the troposphere close to the earth and the thermosphere toward the sun, as shown in the diagram. in between two layers, such as the tropopause, which is present between the troposphere and the stratosphere. In the stratosphere, the ozone layer is present, which prevents the sun's UV rays from falling on the earth, and the troposphere is the region where the clouds are formed.

Hence, the correct answer is the third option, which is "The ozone layer is in the stratosphere."

Learn more about the atmosphere here.

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3 0
1 year ago
15. If a virus enters the lytic phase in a host's cell, it will cause the host cell to A. reject the virus. B. shrink because of
Anettt [7]

Answer:

B

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8 0
4 years ago
During metaphase of meiosis i, homologous chromosomes and the alleles they possess are distributed to different gametes. what is
Vesnalui [34]
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I think the answer you want is they are called chromatids.
3 0
4 years ago
When a cell is not dividing, the dna is loosely spread throughout the nucleus in a threadlike form called __________?
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When a cell is not dividing, the DNA is loosely spread throughout the nucleus in a threadlike form called chromatin.
7 0
3 years ago
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