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ElenaW [278]
1 year ago
13

Life sciences about gaseous exchange please help.​

Biology
1 answer:
dem82 [27]1 year ago
3 0

Gaseous exchange is fundamental in aerobic organisms because oxygen is required to carry out cellular respiration.

<h3>What is cellular respiration?</h3>

Cellular respiration is a series of chemical reactions by which aerobic organisms interchange oxygen and carbon dioxide with their surrounding environment.

During cellular respiration, oxygen is consumed to generate ATP and carbon dioxide is released.

In conclusion, gaseous exchange is fundamental in aerobic organisms because oxygen is required to carry out cellular respiration.

Learn more about cellular respiration here:

brainly.com/question/2809259

#SPJ1

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Productivity increases when A. outputs decrease while inputs remain the same. B. inputs increase while outputs remain the same.
Evgesh-ka [11]

Answer:

C

Explanation:

For productivity to increase, it require an increase in the input which has to be directly proportional to an increase in the output

3 0
3 years ago
The complex of dna and protein that makes up a eukaryotic chromosome is properly called __________.
victus00 [196]

The complex of DNA and protein that makes up a eukaryotic chromosome is properly called <u>chromatin .</u>

<u></u>

  • Chromatin is a complex of DNA and proteins that forms chromosomes within the nucleus of eukaryotic cells.

What is the chromatin and its function?

  • To create chromosomes, chromatin fibers are coiling and condensing.
  • Numerous cellular functions, including DNA replication, transcription, DNA repair, genetic recombination, and cell division, are made possible by chromatin.

What is chromatin in cell?

  • Chromosomes in eukaryotic cells are made of chromatin, a compound of DNA and proteins.
  • Nuclear DNA is extremely compressed and wrapped around nuclear proteins in order to fit inside the nucleus; it does not exist as free linear strands.

Where is chromatin found?

  • Chromatin is a genetic material or a macromolecule comprising DNA, RNA, and associated proteins, which constitute chromosomes in the nucleus of a eukaryotic cell.
  • This chromatin is located within the cell nucleus.

Learn more about chromatin

brainly.com/question/11073325

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5 0
1 year ago
What does Proximal and Distal mean?
Scilla [17]

Answer: In medicine, it refers to parts of the body further away from the center. For example, the hand is distal to the shoulder.

6 0
3 years ago
The lowest layer of the atmosphere, where weather occurs and where we live, is called the ________________.
Paha777 [63]

Answer:

Troposphere

Explanation:

The troposphere is the lowest layer of the atmosphere.

3 0
3 years ago
The β chain of adult hemoglobin is composed of 146 amino acids of a known sequence. in comparing the normal β chain with the β c
Kipish [7]

Out of the following given choices;

a.            Valine instead of glutamic acid in the sixth position

b.            Glutamic acid replacing valine in the first position

c.             Extensive amino acid substitutions

d.            Trinucleotide repeats

e.            Frameshift substitutions

The answer is A. this is caused by a mutation in the beta thalassemia genes on one of the 46 human chromosomes (chromosome #11) of the individual. The alpha subunit is normal in people with sickle cell disease. When sickle hemoglobin releases oxygen in the peripheral tissues, the molecules tend to stick together and form long chains or polymers. These rigid polymers distort the cell and cause it to bend out of shape from the normative disc shape.






8 0
3 years ago
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