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vova2212 [387]
3 years ago
11

A disease-fighting protein created by the immune system in response to the presence of a specific antigen is called an:

Biology
1 answer:
Bingel [31]3 years ago
7 0
Antibody ( fights bacteria etc )
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Circulatory systems compensate for _____.
Ainat [17]

Answer:

The slow rate at which diffusion occurs over large distances.

Explanation:

Circulatory system may be defined as one of the most important system of the body that contains arteries and veins. Two main types of circulatory system are open circulatory system and closed circulatory system.

The blood flow all over the body to each cell with the help of the circulatory system. Arteries carry oxygenated blood and veins carry deoxygenated blood in the body. The circulatory system increases the rate of blood flow as diffusion do not allow the transport at long distances.

Thus, the correct answer is option (c).

8 0
3 years ago
What are embryonic stem cells more useful than other stem cells?
creativ13 [48]
Embryonic stem cells can become all cell types of the body because they are pluripotent<span>. Adult stem cells are thought to be limited to differentiating into different cell types of their tissue of origin. Embryonic stem cells can be grown relatively easily in culture.</span>
5 0
3 years ago
What part of the HIV virus serves to protect the nucleic acid core?
Zanzabum
That would be Capsid
6 0
3 years ago
In nuclear fusion high pressure and temperature fuse two deuterium nuclei and transform into?
tino4ka555 [31]
<span>The correct option is A. In nuclear fusion, two deuterium nuclei are fused together in the presence of high temperature and pressure to produce HELIUM NUCLEUS, neutron and energy. Very high quantity of energy is liberated during the process. Deuterium is a stable form of hydrogen and is found in water. </span>
6 0
2 years ago
Read 2 more answers
A plastic bottle contains 32.5 L of gas at a pressure of 45.7 kPa and
Monica [59]

Answer:

Final pressure, P2 = 362.26 kPa

Explanation:

Given the following data;

Initial volume = 32.5 Liters

Initial pressure = 45.7 kPa

Final volume = 4.1 Liters

To find the final pressure, we would use Boyle's law;

Boyles states that when the temperature of an ideal gas is kept constant, the pressure of the gas is inversely proportional to the volume occupied by the gas.

Mathematically, Boyles law is given by;

PV = K

P_{1}V_{1} = P_{2}V_{2}

Substituting into the equation, we have;

45.7 * 32.5 = P_{2} * 4.1

1485.25 = 4.1P_{2}

P_{2} = \frac {1485.25}{4.1}

P_{2} = 362.26

Final pressure, P2 = 362.26 kPa

5 0
2 years ago
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