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DaniilM [7]
3 years ago
12

Which of these is an example of point-source pollution?

Biology
1 answer:
olga55 [171]3 years ago
3 0
My guess would be c


Hope this helps
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3 years ago
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A yellow pea plant (Yy) and a green pea plant (yy) could not produce green offspring. true or false?
vladimir1956 [14]
There is a possibility that they could produce a green offspring but only 25% chance of that.
7 0
4 years ago
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Humans, like other organisms, require energy for growth and repair. When cells create ATP for energy, carbon dioxide is produced
ad-work [718]

Answer:

The circulatory and respiratory systems interact to transport carbon dioxide to the lungs, where it is expelled from the body.

Explanation:

Carbon dioxide produced by the cells and tissues during cellular respiration is removed from the body through the interaction of the circulatory and respiratory system. The medium of transport of carbon dioxide is the blood which carries to the lungs, where it is expelled from the body in ordernto maintain homeostasis in the body.

Carbon dioxide molecules are transported in the blood from body tissues to the lungs in three ways:

1. Dissolution directly into the blood - due to its greater solubility in blood than oxygen, carbon dioxide is dissolved in blood plasma. On reaching the lungs, it leaves the blood by diffusion and is then expelled out of the body.

2. Binding to hemoglobin - carbon dioxide binds reversibly with haemoglobin in the red blood cells to form a molecule called carbaminohemoglobin. When it reaches the lungs, the carbon dioxide freely dissociate from the hemoglobin and is expelled from the body.

3. Carried as a bicarbonate ion - the majority of carbon dioxide molecules are carried as part of the bicarbonate buffer system. In this system, carbon dioxide diffuses into the red blood cells. The enzyme carbonic anhydrase within the red blood cells quickly converts the carbon dioxide into carbonic acid (H2CO3) which then dissociates into bicarbonate and hydrogen ions. The bicarbonate ions leaves the red blood cells in exchange for chloride ions in the plasma. The bicarbonate ions then travel in plasma to the lungs, where they enter the red blood cells again. It combines with hydrogen ions from the haemoglobin to form carbonic acid. Carbonic anhydrase breaks carbonic acid down into water and carbon dioxide which is then expelled from the lungs.

8 0
3 years ago
Your patient has recently completed her first round of chemotherapy in the treatment of lung cancer. when reviewing this morning
dimaraw [331]

When there is myelosuppression, the suggestive finding is there is a decrease in the platelets and red blood cells. Also called the bone marrow suppression, myelosuppression is a common side effect of the treatment of chemotherapy. When this side effect happens, there is a decrease in the production of blood cells. The result which may be the effect of myelosuppression is a decrease in one, two or all three types of blood cells. Most patients of chemotherapy experience a decrease in red blood cells. Another effect is the decrease of white blood cells by most patients. Myelosuppression will be subcategorized as neutropenia when chemotherapy results to the reduction of neutrophils which is a specific type of white blood cells. Thrombocytopenia is the term for a drop in platelet numbers. This kind of suppression is not that common.  Only 10 percent of cancer patients undergo the negative effects of this kind of suppression. 

6 0
4 years ago
The sequence of DNA that is called a gene codes for a protein using DNA’s four letter code. Three bases will code for one of twe
Evgesh-ka [11]

Answer:

If a single base in the sequence is missing, this mutation could affect and disturb the whole frame-shift of protein synthesis

Explanation:

A single base missing or deletion will result in DNA mutation and will cause changes in the translated protein which will alter the function of the protein and sometimes the translated protein product is non functional.

8 0
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