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EleoNora [17]
3 years ago
10

Can someone explain what alleles are?

Biology
1 answer:
Ivahew [28]3 years ago
8 0
<span>one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.</span>
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Which type of specimen must be chilled if testing will not be performed immediately?
Marat540 [252]

Urine Specimen must be chilled if testing will not be performed immediately.

<h3>What is Urine?</h3>

Urine is a liquid byproduct of human and many other animal metabolism. Urine travels from the kidneys to the urinary bladder via the ureters. Urine is discharged from the body through the urethra as a result of urination.

Many by-products of cellular metabolism, such as urea, uric acid, and creatinine, are nitrogen-rich and must be removed from the bloodstream. These by-products are excreted from the body through urination, which is the major way for excreting water-soluble compounds. A urinalysis can identify nitrogenous wastes in mammals.

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5 0
1 year ago
Which of the following is a direct benefit of using agriscience to control greenhouse gas emissions? (5 points)
zubka84 [21]
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3 years ago
1. In the first step in the life cycle of a star, it is called a:
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3 years ago
James fills a graduated cylinder with 50 mL of water. He then drops a 60g key into the graduated cylinder. The water level insid
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6 0
3 years ago
A source from which organisms generally take elements is called
Anit [1.1K]

Answer:

A source from which organisms generally take elements is called exchange pool (option B).

Explanation:

Options for this question are:

  • <em>Food web.</em>
  • <em>Exchange pool.</em>
  • <em>Reservoir.</em>
  • <em>Biotic community.</em>

The term exchange pool is related to the biogeochemical cycles that exist in nature, referring to the source from which elements present in the environment become part of living organisms.

<u>Exchange pools are the biotic components</u> -like animals and plants- of an ecosystem, which determine the passage of elements between living beings. An element can remain as a reservoir (abiotic) in the soil, and then be incorporated into the exchange pool.

4 0
3 years ago
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