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Archy [21]
2 years ago
7

Gas exchange between the air in the lungs and the blood takes place in the Select one: a. alveoli. b. primary bronchi. c. termin

al bronchioles. d. trachea. e. respiratory bronchi.
Biology
1 answer:
Delicious77 [7]2 years ago
6 0

Gas exchange between the air in the lungs and the blood takes place in the alveoli.

ALVEOLI:

  • Gaseous exchange is a phenomenon whereby gases (carbon dioxide and oxygen) are taken in and out of the body.

  • Carbon dioxide is a product of respiration, hence, giving out. Oxygen is a reactant, hence, taken in. Carbon dioxide and oxygen are absorbed and removed from the blood in the general respiratory process.

  • The alveoli are richly supplied with blood capillaries and are sites of gaseous exchange in some living organisms.

Learn more at: brainly.com/question/16834579?referrer=searchResults

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Facilitated Diffusion
This is when a mechanism assists in diffusing (spreading) some material into an environment. The dog on the wagon going through a spring loaded door would shoot it out into the environment. This is an odd analogy but Point 3 would be the one.

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5 0
3 years ago
An ecologist notes an increase in algae growth in a river adjacent to a farm that uses fertilizers. what can she infer from this
qwelly [4]
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8 0
3 years ago
Which describes an example of ecological succession?
Romashka [77]

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8 0
3 years ago
Read 2 more answers
A gene exists in two alleles, which we will call B and b. The gene is 1123 bp in length, and the B and b alleles exhibit single
Hitman42 [59]

Answer:

The below options will complete the question

Select one:

a. Gap repair synthesis

b. Mismatch repair

c. Direct repair

d. Nucleotide excision repair

Our answer is surely A.

a. Gap repair synthesis

Explanation:

Alleles of gene B differ by 6 bps and are seeming close to each other among the 1123 bp within the particular gene, favouring the gap repair synthesis.

In the gap repair synthesis, a double stranded break is formed at a homologous chromosome with a small part of the gene or the 6 bps of the recessive allele

being digested away.

Strand invasion and a D-loop formation is followed by the new region being occupied by the dominant B allele to yielding dominant B allele in both chromosomes.

The gap repair synthesis allows the 6bps to be converted to the dominant B from the recessive b when in proximity/being close together.

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State the ph of the of the digestive system
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Hey I don’t really know a lot about this but there teaching me it in my science and math class
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