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mezya [45]
2 years ago
11

which nutrient makes up antibodies that protect us from disease, assists with building and repair of bone and skin, and helps to

transport oxygen?
Biology
1 answer:
Jet001 [13]2 years ago
4 0

Answer:

protein is your answer

Explanation:

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In the 1600s, william harvey studied reproduction and development. what is the term given to the theory which states that an org
alexdok [17]
<span>Epigenesis is the term which says that an organism develops from the fertilized egg by a succession of developmental events that leads to an adult. This theory was first published by Aristotle. It became a well established and accepted theory in the late 18th century.</span>
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3 years ago
Pottery must be ____________ in order to contain things—food or liquid—and so that it does not explode in the kiln.
juin [17]
"glazed"
Glazing is the process of covering a ceramic piece with glass allowing it to hold liquid (and food) without leaking. when left a small part of the ceramic not glazed allows the pottery piece to be fired in a kiln without exploding.
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Fill in the following flowchart to show the pathway of a red blood cell as
Alla [95]

Answer:

1. The pathway of a red blood cell from the right ventricle to the brain is:

<em>Right ventricle → pulmonary arteries → lungs → pulmonary veins → left atrium → left ventricle → artery aorta → arterial vessels → brain .</em>

2. The substance that forms hemoglobin in red blood cells when it passes through the lungs is oxyhemoglobin.

Explanation:

Red blood cells are structures present in the blood, whose function is to transport oxygen (O₂) and carbon dioxide (CO₂). This process requires travel throughout the body, through the blood vessels, and gas exchange at the pulmonary and tissue level.

1. A red blood cell in the right ventricle contains carbon dioxide and must pass to the lungs to be oxygenated. The route it takes from there includes Right ventricle (minor circulation) → pulmonary arteries → lungs → pulmonary veins → left atrium → left ventricle → (joining the major circulation) artery aorta → arterial vessels → brain .

2. The red blood cell or erythrocyte contains a molecule, called hemoglobin, which has an iron core that allows it to bind to O₂ and CO₂ in order to transport them. The affinity for one molecule or another depends on the presence of a certain gas in a certain place.

When the red blood cell passes through the lungs, the concentration of O₂ is higher than CO₂, so the latter is released and O₂ binds to hemoglobin, a conjugation that is called oxyhemoglobin.

4 0
3 years ago
The theory of endosymbiosis suggests that chloroplasts and mitochondria were once free-living prokaryotes, that were engulfed by
Drupady [299]

The question is incomplete. The rest of the question is : Which of these is not supported by the endosymbiosis theory concerning organelles?

A) contain DNA.

B) contain ribosomes.

C) are capable of living independently.

D) are surrounded by a double membrane.

Answer:

Option C) are capable of living independently  is not supported by the endosymbiosis theory concerning organelles

Explanation:

The endosymbiosis theory proves that chloroplasts and mitochondria were prokaryotic cells before due to many reasons. Some of which are:

  • These organelles have their own separate DNA.
  • The separate DNA present in them is capable of making their own proteins.
  • They are membrane- bound organelles.

However, these organelles can now not live separately outside of the cell. This might be because of the evolutionary changes which  occurred in these cells during the long period of time.

8 0
3 years ago
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How does the orientation of the earths axis relate to the position of the sun and sky
OLEGan [10]
Im guessing because earths axis is tilted 23 degrees, the sun rises in the North and sets in the south. Hope this helped.
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