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andre [41]
3 years ago
12

What is the responsibility of circulatory system​

Biology
2 answers:
Free_Kalibri [48]3 years ago
8 0
The circulatory system delivers nutrients and other vital substances like oxygen throughout the body.
KiRa [710]3 years ago
3 0

Answer:

itis responsible for the circulation as wel as purification of blood in the human body

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In the process of meiosis, which step explains the probability that a particular allele will be in a gamete?
Ksju [112]

Answer:

Answer is Option B

Explanation:

<em>Chromosome</em><em> </em><em>segregation</em>

<em><u>maybe </u></em><em><u>this </u></em><em><u>might </u></em><em><u>be </u></em><em><u>ur </u></em><em><u>answer </u></em>

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3 years ago
What information on a pedigree can tell you whether a gene is a autosome or a sex chromosome ???
My name is Ann [436]

Answer:

What information on a pedigree can tell you whether a gene is on a autosome or not a sex chromosome? If in a pedigree, the occurrence of the disorder is 50/50 between females and males, then it shows that it is autosomal. If the disorder is mostly shown in males then it is a sex-linked trait.

Explanation:

4 0
3 years ago
The circulating red blood cell is metabolically active but is only able to live for 120 days. During this short time, some signi
OLEGan [10]

Answer: They lack nucleus and other organelles important for the synthesis of the enzyme.

Explanation:

The main function of the red blood cells is to supply oxygen throughout the body. The oxygen binds to the hemoglobin and travels throughout the body to ensure the supply of oxygen to various organs and more precisely the cells of the body.

The enzymes that is being synthesized inside the body is produced by the help of the gene and nucleus along with the other organelles involved in it.The mature red blood cells lack nucleus in order to increase the surface area for carrying the oxygen.

As there is no nucleus, mitochondria and golgi apparatus in the cell, there is no enzyme synthesis and broke down in the cell.

7 0
3 years ago
Describe TWO environmental consequences, other than those related to the loss of boreal forest habitat, that result from the ext
Morgarella [4.7K]

Answer: The greenhouse gas emissions from the extraction of bitumen and the use of large quantities of water.

Explanation:

Bitumen is a natural flammable organic matter formed from kerogen in the process of petroleum generation, which is soluble in carbon disulfide. Asphalt and mineral wax are examples of hydrocarbons which are part of bitumen. Conventional oil is extracted by wells while <u>oil sands deposits are extracted using surface mining sectioning techniques, or are flowed to wells by in situ techniques that reduce bitumen viscosity by steam and/or solvents.</u> So, unlike crude oil extracted in oil wells, bitumen requires an open-pit mining operation, in which large tracts are washed with a mixture of water and chemicals to separate the bitumen from a mixture of sand and clay.

Two consequences of this practice are:

  • The greenhouse gas emissions from the extraction of bitumen are larger than the extraction of conventional oil. The emissions produced contribute  to enhance the greenhouse effect and cause global warming. The greenhouse effect occurs when certain gases retain part of the energy emitted by the earth's soil when heated by the sun's radiation. This phenomenon occurs naturally, and thanks to it, the average temperature of the Earth is about 14º C (57.2 °F). The problem occurs when these greenhouse gases increase in the atmosphere and the amount of energy that is not released into space also increases and, with it, the Earth's temperature.
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8 0
2 years ago
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