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stepan [7]
3 years ago
11

What are the two components of science?

Biology
1 answer:
s344n2d4d5 [400]3 years ago
5 0
Physical and biology
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If a hemoglobin molecule comes into close contact with a respiring cell, the presence of CO2 in the environment will cause hemog
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No, when the concentration of carbon dioxide is high, such as in peripheral tissues, CO2 binds to hemoglobin and the affinity for O2 decreases, causing it to release.

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The O2 molecule is reversibly combined with the heme portion of the hemoglobin. When the partial pressure of O2 is high, as in the case of pulmonary capillaries, for example, the binding of O2 to hemoglobin and the release of carbon dioxide are favored, this is known as the Haldane effect. If, on the contrary, when the concentration of carbon dioxide is high, such as in peripheral tissues, CO2 is bound to hemoglobin and the affinity for O2 decreases, causing it to release, this is known as the effect Bohr.

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An infectious disease is one that is caused by
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pathogens

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pathogens may occur in various way e.g spread from a person to person by directly body contact

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How does diploidy help to preserve genetic variation? see concept 23.4 (page 498)?
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Monoploid organisms reproduce asexually since they need to transmit all of their genetic material to their offspring. Diploid organisms, have 2 copies of their genetic material that differ slightly in their genes. Since the progeny gets half of the DNA from each parent, we have that new combinations can emerge; for example, if the mother is AA for some allele and the father aa, their offspring will be Aa, a new genotype. This might have different implications (for example, the recessive gene for thalassemia also provides resistance to malaria). Finally, during meiosis, there is also an event called crossover that increases the genetic variation of the offspring.
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Tying the legs and wings of poultry against the body to make a compact unit for cooking is called
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Tying the legs and wings of poultry against the body to make a compact unit for cooking is called trussing.

The purpose of this is even cooking an a more attractive appearance.
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