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kifflom [539]
2 years ago
9

Jus got my account deleted that had 2000 points and 15 brainliests pog

Biology
2 answers:
Alex Ar [27]2 years ago
7 0
Dang that must sucks :0
blondinia [14]2 years ago
5 0

Answer:

man, that must suck. is there a way to reach out to them?

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The extracellular matrix is found outside of, but attached to the cell membrane?
VARVARA [1.3K]

Answer:

True

Explanation:

The extracellular matrix is the space surrounding the outside of the cell, and is attached to the cell wall using proteins called integrins. Integrins are imbedded into the plasma to offer support to the structure. Hope this helps!

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Why does the word antibiotic suggest that these medications would be ineffective against viruses?
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Antibiotics are ineffective against viruses because viruses do not have cells. Viruses are infectious agents that live within the cells of other living things. Antibiotics work by breaking down the cell walls of bacteria or interfering with the bacteria's ability to repair its cell's DNA, according to How Stuff Works.
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1. Skeletal muscle fibers do not have gap junctions, but heart muscle cells do. Why do you think there is this difference? In ot
Mumz [18]
<h2>Gap junctions </h2>

Explanation:

  • Skeletal muscle also called as voluntary muscle, is anchored to bone by tendons and is used to effect skeletal movement in activities such as locomotion and maintaining posture
  • Muscle associated with heart is called cardiac muscle is also an involuntary muscle but is more akin in structure to skeletal muscle
  • Both cardiac and skeletal muscles are striated, they contain sarcomeres and are packed into highly regular, repeating arrangements of bundles
  • Skeletal muscle do no have gap junctions because they are not single cells
  • The gap junctions, which are protein-lined tunnels, allow direct transmission of the depolarizing current from cell to cell, across the chambers of the heart, so that the cells contract in unison
  • Because of the way these gap junctions function, the cardiac muscle cells are said to be electrically coupled
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