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joja [24]
3 years ago
11

Hope you guys anwser fast!!!

Biology
1 answer:
madreJ [45]3 years ago
8 0

Answer:

Blood is normally slightly basic, with a normal pH range of about 7.35 to 7.45. Usually the body maintains the pH of blood close to 7.40. A doctor evaluates a person's acid-base balance by measuring the pH and levels of carbon dioxide (an acid) and bicarbonate (a base) in the blood.

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Ludmilka [50]
I would hire this person because the disease is non-communicable. Plus, small cold and cough problems will not affect the performance of the person and therefore, there are little chances that he/she will take frequent holidays. Further, morally this job will help the person financially, in getting the proper treatment of the disease, if it occurs. And this will also raise the confidence and personality of the person. If the person has the skills that match our requirements, I will definitely hire him, despite his chances of developing multiple sclerosis. 
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3 years ago
The theory of endosymbiosis suggests that chloroplasts and mitochondria were once free-living prokaryotes, that were engulfed by
Ket [755]

The answer is C. The symbiotic relationship has evolved for so many years such that the two are obligate symbiotes and cannot function normally without the other. Chloroplast and mitochondria are believed to have been once free-living bacteria according to endosymbiosis theory.


7 0
3 years ago
Why doesn't ice wedging occur that much in Antarctica?​
stepan [7]

Answer: climate change

Explanation: climate change in major cold places tend to cause ice wedging

5 0
2 years ago
Read 2 more answers
Which sensory receptor is found in the skin?
Anna [14]

Answer:

The cutaneous receptors' are the types of sensory receptor found in the dermis or epidermis. They are a part of the somatosensory system. Cutaneous receptors include cutaneous mechanoreceptors, nociceptors (pain) and thermoreceptors (temperature).

Explanation:

I think it will be heplful

6 0
3 years ago
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Transposons are movable elements of DNA that insert into new positions within the genome. A transposon may disrupt normal gene f
Stolb23 [73]

Answer:

The answer is incomplete because it is imperative to know what is the result of the transposition (i.e., deleterious, beneficial or neutral). For example, A and C options represent study cases where the insertion of Transposable Elements (TEs) may result beneficial for the organism.

Explanation:

Transposable Elements (TE) are mobile genetic elements that have the ability to move within the genome. According to their mechanisms of insertion, TEs are classified into two major classes: Class I (or retrotransposons) and Class II (DNA transposons), which are capable of moving by copy-paste (i.e., by a RNA intermediate) and cut-paste mechanisms, respectively.  

Although originally were considered to be parasitic (deleterious) genetic mobile elements, nowadays it is well known that they may be sometimes beneficial depending on the localization of the TE insertion. For example, TE insertion into a protein-coding region (exon) sequence it is likely to produce protein disruption and thereby it has a deleterious effect. However, the insertion of TEs into upstream and intron non-coding regions may confer gene regulatory activity and be eventually beneficial to the organism.

7 0
3 years ago
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