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Triss [41]
3 years ago
7

An open system is different than a closed system because

Biology
1 answer:
weeeeeb [17]3 years ago
3 0
Open systems freely exchange energy and matter with its surroundings. As the fresh air can get exchanged with the closed air, it helps Oxygen to be present. If there is closed system, there could be Carbon Monoxide Poisoning, which could lead to death.
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Explain the effects of radiation on the cellular process of mitosis and meiosis
Anarel [89]

<span>Mitosis is a process whereby somatic cell divides while meiosis is a process in which germ cell divides.</span>Both are essential processes that occur during development.  However, delay in mitosis can result into alteration in cell kinetics pattern resulting in depletions of all populations.

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What is the scientific definition of limited resource
Akimi4 [234]

Answer:

A basic condition of nature which means that the quantities of available labor, capital, land and entrepreneurship used for the production of goods and services are finite

Explanation:

hope this helped you (ㆁωㆁ)

8 0
2 years ago
In humans, the eye color and hair color genes are located on different chromosomes. Brown eyes (B) are dominant to blue (b), and
Andrej [43]

Answer:

Man's genotype: Bbdd

Woman's genotype: bbDd

First child's genotype: Bbdd

Second child's genotype: bbDd

Explanation:

This is a dihybrid cross involving two genes; one coding for eye color and the other for hair color in humans. The allele for brown eye (B) is dominant over the allele for blue eyes (b) in the first gene while the allele for dark hair (D) is dominant over the allele for red hair (d) in the second gene.

According to the question, A man with brown eyes and red hair will possibly possess genotypes: BBdd or Bbdd while a woman with blue eyes and dark hair will possibly have genotype: bbDD or bbDd. Considering the fact that they produced children with recessive traits for both gene (blue eyes and red hair), it means that they are heterozygous for their dominant trait. This means that the ideal genotype for the man is Bbdd since he will produce gametes containing B and b alleles for the first gene while the ideal genotype for the woman is bbDd since it will produce gametes with D and d allele for the second gene.

Hence, a child with brown eyes and red hair will possess genotype: Bbdd since he/she cannot receive two dominant alleles for the first gene from both parents. A child with blue eyes and dark hair will have genotype: bbDd since he/she cannot receive two dominant alleles of the second gene from both parents.

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3 years ago
Where does thyroxine come from and what does it do?
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Thyroxine is an important hormone released into the bloodstream by the thyroid gland in the body. When tyroxine is released into the blood stream, it moves through certain organs such as the kidney and liver, where most of it is changed to an active form known as triiodothyronine. Thyroxine perform important roles in brain development, heart and digestive functions, bone maintenance, controlling muscle and metabolic rate of the body.

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3 years ago
Which of the following is found in both DNA and RNA?
Vitek1552 [10]
Ribose, phosphate groups, and adenine.
7 0
3 years ago
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