Bauxite does not have a specific composition. it's a mixture of hydrous aluminum oxides, aluminum hydroxides, clay materials, and insoluble materials such as, quartz, hematite, magnetite, siderite, and goethite
Answer: Posterior HoxA and HoxD genes play important roles in patterning along the proximodistal axis of the forelimb (10–13). They also are required for activating and maintaining Shh expression in the developing forelimb (6, 7). mark brainliest
Explanation:
The concave disc shape of red blood cells Maximizes the surface area of the cell , allowing for rapid movement of oxygen or carbon dioxide to and form the hemoglobin within the cell.
<h2>Nuclear Envelope</h2>
Explanation:
- <em>The endomembrane system</em> includes the nuclear envelope, the <em>endoplasmic reticulum, Golgi mechanical assembly, lysosomes, vesicles, just as the plasma layer</em>
- These cell parts cooperate to <em>alter, bundle, tag, and transport layer lipids and proteins </em>
- The nuclear envelope is a double membrane, implying that there are <em>two lipid bilayers</em>
- The nuclear lamina, a netlike cluster of <em>protein filaments, associates the layers of the nuclear envelope</em>
Answer:
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