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marissa [1.9K]
4 years ago
7

Which example is a nonpoint source of air pollution?

Biology
1 answer:
Alchen [17]4 years ago
8 0
B) a smokestack for an electric power plant
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Sunlight is the ultimate source of energy in the ecosystem.​
Nezavi [6.7K]

Answer: yup. That, and water or air.

Explanation:

8 0
2 years ago
Read 2 more answers
Which of the following vectors holds the largest pieces of DNA?
wolverine [178]

Answer:

c. YACs

Explanation:

YACs, the Yeast artificial chromosomes are the high capacity vectors designed to carry the eukaryotic genes and carry the insert of 200-2000 kb.

YACs carry origin of replication from yeast, selectable markers and sequences derived from telomeres and centromere to maintain the stability of the insert during cell division.

The insert size for plasmids, bacteriophage, PACs, and cosmids is about 0.1-10 kb, 5-25 kb, 100-300 kb, 35-45 kb respectively.

3 0
3 years ago
Brown-eye color is dominant and blue-eye color is recessive. A brown-eyed man marries a blue-eyed woman and they have a son that
Sveta_85 [38]

Answer: Polygenic recessive

Explanation: Because polygenic dominance describes a relationship between the alleles of a polygenic trait where some alleles are dominant and others are recessive.

3 0
3 years ago
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What happens when electron moves down an electron transport chain?
I am Lyosha [343]
In order to make the proton gradient, protons are pumped across the mitochondrial membrane at several points in the electron transport chain. However, that proton gradient is only used to make ATP by the ATP synthase, which is technically separate from the electron transport chain.
4 0
4 years ago
The surgical removal of male reproductive organs is known as _______________.
Effectus [21]

Answer: The surgical removal of male reproductive organs is known as Orchidectomy.

Explanation: By the process of Orchidectomy male reproductive organs ( one or both the testes ) removed surgically. Orchidectomy is also known as Castration.

Orchidectomy is very helpful in case of testicular cancer. Because in that case it serve as treatment of cancer.

Orchidectomy is of three types -:

1 : Simple -: In this type of orchidectomy male gonads and spermatic cord is removed by incision. For the treatment genetic infection.

2 : Subcapsular -: In this type of orchidectomy not the entire gland only glandular tissues are removed. It is a Prostrate cancer treatment.

3: Inguinal :- In this type one or both the testes or entire spermatic cord is removed in incision in lower abdomen.

5 0
3 years ago
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