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guapka [62]
3 years ago
9

Human red blood cells contain an important protein called?

Biology
1 answer:
Vika [28.1K]3 years ago
7 0

Answer:

Explanation:

Red cells contain a special protein called hemoglobin, which helps carry oxygen from the lungs to the rest of the body and then returns carbon dioxide from the body to the lungs so it can be exhaled. Blood appears red because of the large number of red blood cells, which get their color from the hemoglobin.

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Proteins help with transport, building channels in cell membranes, and structure.
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Which of the following is a characteristic of cnidarians?
Setler [38]

Answer:

The correct answer is option C) "gastrovascular cavity".

Explanation:

Cnidarians are a large group of organisms, most of them found in aquatic environments, known for having specialized cells called cnidocytes which they use to capture their preys. Other characteristic feature of cnidarians is that they have a gastrovascular cavity that serves as the primary organ used for digestion. The gastrovascular cavity is usually surrounded by tentacles that serves to trap their preys. Examples of cnidarians include corals, hydras and jellyfishes.

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A ________ is a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the wate
Ivenika [448]

Hey There! :)

I would agree with that, a river delta. Good luck!

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3 years ago
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Answer:

Try e. Observe for an answer

3 0
2 years ago
You have a culture of bacteria that you suspect is either staphylococcus aureus or streptococcus pyogenes. is there any morpholo
Leona [35]

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In order to distinguish between staphylococci that are catalase positive and catalase negative, the catalase test is crucial. Agar slants or broth cultures are flooded with several drops of 3% hydrogen peroxide to conduct the test. Cultures that have catalase immediately bubble. Gram-positive cocci include streptococci and staphylococci. Streptococci develop in chains, whereas Staphylococci form clumps. Because Staphylococci may make catalase, they can be distinguished using the catalase test.

Learn more about Staphylococcus

brainly.com/question/26562205

#SPJ4

8 0
1 year ago
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