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Marianna [84]
3 years ago
11

true or false: a phenotype describes the physical expression (characteristics) of a gene. In other words, how something looks.

Biology
1 answer:
viva [34]3 years ago
3 0
It is true, the Phenotypes is the physical expression, or characteristics of that traits.
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Which chamber receives oxygenated blood from the pulmonary circuit?
FromTheMoon [43]
The chamber is the left atrium.

The lungs help exchange the deoxygenated blood which are full of wast materials into oxygenated and blood full of nutrients. These oxygenated blood are then transported through the pulmonary vein, the only vein in the body which transports oxygenated blood. These blood are then transported back into the heart, which is the left atrium specifically.

Those blood is then pushed down to the left ventricle, and then pumped to the whole body (except lungs), in order to keep the body functioning by providing oxygen and nutrients for cellular respiration.

Meanwhile, the deoxygenated blood are received by the right atrium, and is then transported back to the lungs for exchange again, through the right ventricle and pulmonary artery.
7 0
3 years ago
Which part of the nervouds system consists of the brain and spinal cord:
Damm [24]

Answer:

c. CNS

Explanation:

The Central Nervous System (CNS) is responsible for receiving and transmitting information throughout the body. We can define it with the command center that coordinates the activities of the body.  It consists of the brain and spinal cord, which are protected by the skull and spine respectively.

Both structures are reinforced by three connective blades, called meninges. They are: dura mater, arachnoid and pia mater. Between the last two there is a fluid that is responsible for the nutrition of the CNS and the minimization of possible trauma caused by mechanical shocks.

7 0
2 years ago
Which of the following is the correct Lewis structure diagram for Sodium (Na)? The letters Na with one dot The letters Na with t
ololo11 [35]

Answer:

One

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Sodium (Na) has one valence electron so it gets one dot.

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2 years ago
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6 0
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A student used the hemoglobin data to conclude that mice and shrews are more closely related than are mice and humans or shrews
Lilit [14]
<span>The student who use the hemoglobin data to conclude that mice and shrews are more closely related than mice and humans or shrew and human is quite correct. Scientists had found a way of determining the evolution histroy of animals by means of the amino acid sequence of their hemoglobin. The higher the number of related amino acids found the closer the relationship between the two organisms. There are a difference of 29 amino acid between man and mouse and a difference of 24 amino acids between human and shrew but only a difference of 5 amino acid between mouse and shrew. This shows that mouse and shrew are closer.</span>
4 0
3 years ago
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