Beta-globin is a component (subunit) of a larger protein called hemoglobin, which is located inside red blood cells. In adults, hemoglobin normally consists of four protein subunits: two subunits of beta-globin and two subunits of another protein called alpha-globin, which is produced from another gene called HBA.
Answer:
Precambrian era is the longest era in the Earth's history. It began 4600 million years ago and ended about 540 million years ago.
Explanation:
They were classified by their use.
Sunlight is an unseen factor that affects the carrying capacity of the ocean.
<h3>What is Carrying capacity?</h3>
Carrying capacity may be defined as the maximum number of individuals that can be supported by a habitat.
The other options under this question are water chemistry, water availability, space, and sunlight.
Water availability and space both are unlimited in the ocean habitat, while the water chemistry remains the same throughout the ocean.
Therefore, sunlight is an unseen factor that affects the carrying capacity of the ocean.
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