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ikadub [295]
2 years ago
7

In what form does oxygen travel in the blood? What form of carbon dioxide?

Biology
2 answers:
Anettt [7]2 years ago
5 0

Answer:

red blood cells

Explanation:

The protein inside red blood cells that carries oxygen to cells and carbon dioxide to the lungs is  hemoglobin. Hemoglobin is made up of four symmetrical subunits and four heme groups. Iron associated with the heme binds oxygen.

san4es73 [151]2 years ago
4 0

Answer:

Oxygen is carried both physically dissolved in the blood and chemically combined to hemoglobin. Carbon dioxide is carried physically dissolved in the blood, chemically combined to blood proteins as carbamino compounds, and as bicarbonate.

Explanation: hope this helped :)

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________ is the backup energy molecule that can be rapidly converted to ATP in active skeletal muscle.
umka2103 [35]

Hai :3

What is the backup energy molecule that can be rapidly converted to ATP in active skeletal muscle?

The answer would be D. Phosphocreatine, because phosphocreatine plays a major role on energetic homeostasis in both active skeletal and cardiac muscles. Phosphocreatine is basically creatine but phosphorylated, and that is why it has such a name. It has the role of turning ADP (adenosine diphosphate) into ATP (adenosine triphosphate).

Remember, ATP is the currency of life! That is what my biology teacher taught me.

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2 years ago
What process involves rainwater filtering through soil?
JulijaS [17]
I believe it’s called perculation
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2 years ago
Human digestion of food begins in the _______, where the enzyme _____ breaks down a small amount of starch. Mouth; amylase stoma
Alexandra [31]

The digestion of the food in humans begins in the mouth. In the mouth, the salivary amylase enzyme digests and breaks down a small amount of the starch present in the food. The digestion process begins right in the mouth. and continues till the intestine. The carbohydrates (starch) are the ones whose digestion starts in the mouth.

Hence, the blanks can be filled with 'mouth and amylase' respectively.

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2 years ago
Describe the general types of diagnostic tests used to diagnose patients infected with HIV.
GenaCL600 [577]

AIDS

This disease leads to death by weakening the immune system of the human body.  Common symptoms are related to the nervous system like dementia, anxiety, depression and insomnia.

TESTS

The tests for AIDS are discussed below.

The most common test for any disease is the blood test.  

When human body is infected with the virus, the body produces anti-bodies to combat this infection. The blood test is positive if these anti-bodies are present in the blood sample of the infection person. However, it takes time for these anti-bodies to appear in the blood stream, hence, blood test should be done at regular intervals.

The tests specifically developed for AIDS are as follow.

ELISA or Enzyme-linked immunosorbent assay

If this test is positive, this is followed by a Western Blot test. The blot test is done in order to confirm the disease.

As said before, anti bodies take time to develop. If the test is done during this phase, it will be negative despite of the presence of virus in the blood stream.

HOME

Only one home test is approved. This is called Home Access Express Test. The kit of this home test is available at pharmacies.

SALIVA

The saliva from the patient’s cheek is obtained on a cotton pad. This pad is put in a vial which is then sent to the lab for testing.  If the result is positive, blood test is done to confirm the disease.

VIRAL LOAD

As the name suggests, this test measures the quantity of virus present in the blood. This test is done to either test the presence of HIV or to track the progress of the treatment of HIV.

WESTERN BLOT

This test is done when the result of ELSA test is positive. This test confirms the disease.

All the above test if turn out negative and the patient still doesn’t recovers, this testing should be done periodically until the disease is confirmed.

6 0
2 years ago
The cycle of the moon’s phases is predictable. About how long does it take to cycle from a first quarter moon to a full moon?
rodikova [14]
Answer: C

Explanation: The Moon has phases because it orbits Earth, which causes the portion we see illuminated to change. The Moon takes 27.3 days to orbit Earth, but the lunar phase cycle (from new Moon to new Moon) is 29.5 days.
4 0
3 years ago
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