Answer:
The correct answer will be option- synaptonemal complex.
Explanation:
The tetrad arrangement of the genetic material in an organism is mediated by a highly conserved structure known as the synaptonemal complex. The synaptonemal complex is formed during the prophase I of the meiosis I which attaches the chromatin of the homologous chromosomes.
The synaptonemal complex is a proteinaceous structure which is formed by the two lateral ladders like elements with a central portion composed of the central element. The chromatin gets attached to the lateral elements while the central a portion bridge space between the two ladders thus help in the formation of the tetrad.
Thus, option- synaptonemal complex is the correct answer.
Proline is not a constituent of the cell membrane.
<h3>What constitutes a cell's components?</h3>
The cell membrane, the nucleus, and the cytoplasm sandwiched in between make up a cell. Organelles, which are little but separate structures, are arranged in complex patterns throughout the cytoplasm, which contains hundreds or even thousands of them. A lipid bilayer that is semipermeable makes up the cell membrane.
Lipids (phospholipids and cholesterol), proteins, and carbohydrates make up the majority of the plasma membrane. The extracellular environment is shielded from intracellular components by the plasma membrane. By controlling the substances that enter and leave the cell, the plasma membrane facilitates biological activities.
Learn more about cell membrane refer
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Answer:
Nitrogen is used to build DNA, the basis of our life. Simply, life could not function on earth because there would be no way to fix nitrogen from the air. Nitrogen is necessary for all living beings, and only a few bacteria can actually fix it. All animals including human beings cannot survive without proteins.
Explanation:
Answer is: <span>chemosynthesis.
</span>Difference between chemosynthesis and photosynthesis is: chemosynthesis is conversion of carbon molecules (CH₄ or CO₂<span>) into organic matter using the </span>oxidation of inorganic compounds (H₂, H₂S, CH₄) as a source of energy, while in photosynthesis organisms to use light energy as a source of energy.