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madreJ [45]
3 years ago
12

Deafness is often inherited in humans as an autosomal recessive trait. Assume that this is the case here. Two severely deaf peop

le meet and marry. They have four children and all of them have normal hearing. What is the MOST reasonable explanation for this outcome?
Biology
1 answer:
balandron [24]3 years ago
3 0
To act like everything is ok
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_________ is a smooth muscle cell has a central nucleus but lacks striations.
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Answer:

Linings of hollow organs

Explanation:

Smooth muscle cells are usually found in the lining of hollow organs such as all arteries and veins, wall of stomach, uterus, urinary bladder, digestive system etc. The cells of these linings are spindle shaped and consist of a nucleus at the center which lacks striations.  

They work as a housekeeper and are under involuntary control except the heart. They lack striation because of irregular arraying of actin and myosin filament along the length of the cell.  

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What is the dark reaction in photosynthesis
Inessa05 [86]
Dark reactions<span> make use of these organic energy molecules (ATP and NADPH).</span>
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Regions of biomes that are an inconsistent mixture of fresh and salt water include ______. Select one: a. ponds b. lakes c. stre
Lyrx [107]
D. Estuaries

Estuaries are a place where fresh and salt water mix.
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3 years ago
Researchers want to use edna to look for an invasive species in a waterway. which of these steps should they do last? a. precipi
VikaD [51]

The step at which the researchers would do at the end of researching Edna is to amplify the amount of DNA.

Option (d);

<u>EXPLANATION:</u>

  • The term EDNA means Environmental DNA.
  • Invasive species in the waterway are the waterborne plants and animals who can likely cause effects to the human as well as the environment.
  • If researchers want to use eDNA to look for invasive species in the waterway, they will first collect a sample.
  • After cutting DNA into pieces, DNA would be precipitated in each sample.
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5 0
3 years ago
An individual running a marathon may experience periods of oxygen deprivation that can lead to
Harman [31]

Answer:

A. anaerobic respiration in muscle cells, forming lactic acid

Explanation:

Running marathon is a vigorous exercise, which often leads to excessive use of oxygen in the cells of the athlete. This causes the cells to switch from the aerobic (with oxygen) to the anaerobic (without oxygen) mode of respiration. This anaerobic respiration produces a product called LACTATE OR LACTIC ACID.

The lactic acid becomes excessive and gets stored in the muscle cells of the athlete. This often leads to cramps, muscle pulls etc. during the marathon. Therefore, an individual running a marathon may experience periods of oxygen deprivation that can lead to anaerobic respiration in muscle cells, forming lactic acid.

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