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Juliette [100K]
3 years ago
13

Thin filaments in skeletal muscle are composed of what four proteins

Biology
2 answers:
svetoff [14.1K]3 years ago
6 0
Hi, I have a Biology question and would like to get it done tonight, would anyone be able to check it out to see if they can help me?
Charra [1.4K]3 years ago
5 0
They are composed of actin, troponin, tropomyosin, and myosin 
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Why is cell called the basic unit of life​
vitfil [10]

Answer:

The cellular level of an organism is where the metabolic processes occur that keep the organism alive.

Explanation:

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2 years ago
Mutations are relatively uncommon because
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I believe it's D <span>.DNA repair enzymes often repair errors.

</span>I believe this because enzymes<span> remove incorrect bases with a few surrounding bases, which </span>are<span> replaced with the </span>correct<span> bases with the help of a DNA polymerase and the template DNA. When replication mistakes </span>are<span> not corrected, then it may result in </span>mutations<span>, which sometimes </span>can<span> have serious consequences.</span>
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3 years ago
Explain the Three position of Meristematic tissues​
son4ous [18]
<h2>Answer:</h2>

There are three types of meristems on the basis of position, i.e

  1. Apical meristem.
  2. Lateral meristem.
  3. Intercalary meristem.
<h2>Explanation:</h2>

A meristem is the tissue present in  most plants containing undifferentiated cells, found in zones of the plant where growth can take place. Generally differentiated cells(the cells other than meristems) do not divide and produce of a different type of cells.

Meristems are classified on the basis of their location in the plant:

  1. Apical meristem - these are the meristems located at root and shoot tips of the plant.
  2. Lateral meristem - these are the meristems located in the vascular and cork cambia in plants.
  3. Intercalary meristems - these are the meristems located at internodes, or stem regions between the places at which leaves attach, and leaf bases.

Result: There are 3 types of meristems.

8 0
3 years ago
Tadpoles must undergo a major metamorphosis to become frogs. This change includes reabsorption of the tail, growth of limbs, cal
nevsk [136]

Answer:

There are many receptors for thyroxine on different target cells (tissues), so its effect can be huge

Explanation:

Target cell for a certain hormone is a cell that have hormone receptor specific for that hormone. There are two main types of receptors on target cell:

  • cell membrane receptors (also called  trans membrane receptors)-usually for peptide hormones, such as insulin
  • intracellular receptors (also called nuclear receptors)-usually for steroid hormones, such as testosterone.

Hormone binding to the receptor leads to the signal cascade within the cell, which results in cell response.

Receptors for thyroid hormones are nuclear receptors.

4 0
3 years ago
Two characteristics of natural wines are that they have a maximum alcohol content of 14% and are ""sparkling"" wines. Apply your
Anna007 [38]
<h2>Alcoholic Fermentation</h2>

Explanation:

  • Two attributes of regular wines are that they have a most maximum alcohol content of 14% and are "sparkling" wines.
  • In natural wines, after the ethyl alcohol and are <em>"shimmering" wines. </em>
  • <em>In regular wines, after the ethyl liquor fixation arrives at 14%, the liquor murders the yeast cells, making aging stop. The bubble or shimmer in wines is the collection of CO2. </em>
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  • The  most wine yeasts, 14% is higher than they can tolerate. There are, be that as it may, yeasts that the merchants<em> guarantee can tolerate higher alcoholic rates.</em>
8 0
2 years ago
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