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Readme [11.4K]
3 years ago
5

Due to a mutation in the HEXA gene, a substance called GM2, normally present in the tissues and nerve cells of the brain, accumu

lates there. This mutation mainly effects enzymes associated with which organelle in an affected individual's cells?
Biology
1 answer:
Olenka [21]3 years ago
6 0

Answer:

Lysosomes.

Explanation:

HEXA (Hexosaminidase A) is the functional enzyme and encoded by the HEXA gene. The main function of this enzyme is the hydroxylation of the gangliosides.

The mutation in this gene leads to the lysosomal storage disease. The GM2 starts accumulating in the lysosomes and causes Tay Sach's disease. This is a genetic disorder that leads to the breakdown of the cells of the spinal cord and the brain.

Thus, the answer is lysosomes.

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Anaerobes carry on whereas aerobes carry on cellular respiration
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Answer:

Anaerobes carry on cellular respiration in the absence of oxygen, whereas aerobes carry on cellular respiration in the presence of oxygen.        

Explanation:

Many of the cell processes needed need some energy to occur. Cellular respiration is the process by which cells degrade organic compounds and turn them into energy. Cellular respiration follows two ways, which depend on the presence or absence of oxygen, and both of them begin with the process of glycolysis, which occurs in the cytoplasm and does not need oxygen to occur.

<u>Aerobic Respiration</u>

  1. Occurs in the presence of free oxygen.
  2. Series of reactions by which pyruvic acid (product of glycolysis) turns into CO₂ and H₂O, producing many ATP molecules.
  3. Respiration occurs in the mitochondria.
  4. Takes place in two steps or stages: Krebs cycle and electron transporter chain.
  5. Glycolysis and Krebs cycle produce electrons, which then travel along the electron transporter chain while releasing energy, and ATP is produced.

<u>Anaerobic Respiration </u>

  1. Occurs in the absence of free oxygen
  2. Series of reactions by which using pyruvate (product of glycolysis) 2 ATP molecules van be produced.
  3. There are two ways in which anaerobic respiration can be produced: lactic fermentation and alcoholic fermentation.
  4. Lactic fermentation produces lactic acid and 2 ATP
  5. Alcoholic fermentation occurs in two steps, and the final products are ethylic alcohol, 2ATP, and 2 CO₂
  6. The whole anaerobic process occurs outside the mitochondria.
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Consider the data for competing predators, wolves and mountain lions, in several counties. If the wolf population in Clay County
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The clear, transparent layer of cells that covers the front part of the eye is called
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4 Cornea

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The cornea is the white cell covered your eyes

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Hypertext Markup Language

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What can be said about the diversity of life in the high tide zone compared to that of the low tide zone?
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B. There is less biodiversity in the high tide zone because the tidal changes make survival difficult.

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The high tide and low tide zones are located on the seashore as the ocean water merges with land.

High tide zones are usually covered with water during high ocean tide while low tide zones are always submerged in water.

There is low biodiversity in the high tide zone because the tide here changes rapidly and organisms find it difficult to adapt. Organisms that inhabit here must be welll adapted to withstand peroids of high tides.

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