4 years ago

2. How does the development of a nervous system and sense organs relate to increasing complexity of multicellular animals?

1 answer:

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Answer:

At the most basic level, the function of the nervous system is to control movement of the organism and to affect the environment (e.g., through pheromones). This is achieved by sending signals from one cell to others, or from one part of the body to others

Explanation:

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denis-greek [22]

Answer: Valine

Explanation:

hemoglobin A (normal) is HbA, while hemoglobin S (present in people with sickle cell anemia) is HbS

A sequence of 146 amino acids is present in the Hemoglobin.

The first 6 amino acids in HbA are: valine, histidine, leucine, threonine, proline, and glutamic acid.

The first six amino acids in HbS is:

valine, histidine, leucine, threonine, proline, and VALINE

In Hbs, the 6th amino acid (Glutamic acid) has already been mutated to Valine, a nonpolar, branched amino acid.

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Monica [59]

It is probably the cell wall

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Which statement about the scientific method is true?

lozanna [386]

The answer is 'C' because this is the only answer mentioning a hypothesis, and the whole point of the scientific method is to test a hypothesis.

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