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tensa zangetsu [6.8K]
3 years ago
14

The table shows the number of cells at each stage of the cell cycle in a root tip meristem. One complete cell cycle takes 24 hou

rs. The number of cells at each stage is proportional to the time spent at that stage. What is the length of time spent in metaphase? 
a. 60.0 min
b. 86.4 min
c. 120.0 min
d. 178.8 min



​
Biology
1 answer:
topjm [15]3 years ago
3 0

Answer:

im completing a challenge

Explanation:

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What are the functions of carbohydrates, lipids, protein, and Nucleic Acids?
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Answer:

Carbs - provide your body with energy.

Lipids - serve as structural components of cell membrane, function as energy storehouses, and function as important signaling molecules.

Protein - helps with growth and maintenance of tissues, enzymes that cause biochemical reactions in and out of your cells, some proteins are hormones so it acts as a messenger the aid communication between your cells, tissues, and organs. And many other thing that are a google search away.

Nucleic Acids - hold storage and expression of genetic information

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3 years ago
Years of smoking and exposure to air pollutants can contribute to the incidence of
poizon [28]

Hello there!

Your answer would be lung cancer, chronic bronchitis, emphysema and asthma.

Years of smoking and exposure to air pollutants can contribute to the incidence of lung cancer, chronic bronchitis, emphysema and asthma.

Lung cancer is one of the factors that is caused by smoking and air pollutants. This happens when too much lung cells are being produced in the lungs at once, which causes cancer cells to grow, this would form a tumor in the lung. There are many treatments that could be taken to remove this tumor. This is one of the things that are caused by smoking and air pollutants.

Chronic Bronchitis is another factor that is caused by smoking and air pollutants. This also involves the lungs. Chronic Bronchitis is a disease in the lungs that caused inflammation in them, which is very dangerous to the human body. Growth of mucus, coughing, and etc are symptoms of this. This is another factor that is caused by smoking and air pollutants.

Emphysema is another factor that is caused by smoking and air pollutants. This is a disease that causes the alveoli (a balloon shaped pass way in the raspatory system) to over swell. This mostly causes a shortness of breath to a person. This is another factor that is caused by smoking and air pollutants.

Asthma is another factor that is caused by smoking and air pollutants. This condition is very common to people who have smoked, been around smoke, or has been around places whose air is very polluted. This conditions causes the airways to clog up, which makes it hard to breathe. This is another factor that is caused by smoking and air pollutants.

7 0
4 years ago
Which of the following best describes how a blood cell and skin cell have the exact same DNA sequence and yet
Oliga [24]

Answer:

The proteins are expressed differently in each cell.

Explanation:

<u>The correct answer would be that the proteins are expressed differently in each cell. </u>

The regulation of gene expression is primarily responsible for differential functions of the same DNA sequence. Multiple proteins are formed from the same DNA sequence but only the required ones are specifically expressed depending on the cell.

<em>In other words, in the blood cells, the protein is expressed for performing blood-specific functions while it is expressed for performing skin-specific functions in the skin.</em>

3 0
4 years ago
How does the random movement of molecules bring about an even distribution of molecules throughout the system?
Lubov Fominskaja [6]
Diffusion is the random movement of molecules or particles from a region of high concentration to a region of low concentration bringing a natural flow in the system. Diffusion ensures that there is a state of equilibrium in the number of molecules in the system.
5 0
3 years ago
Pls help i dont understand :( Will give Brainliest + 25!!!
myrzilka [38]

Answer:A

Explanation:

7 0
4 years ago
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