Answer:
The correct answer is - phase 2.
Explanation:
Erythropoiesis or the development of the erythrocytes is the process to which the development of the erythrocyte cells from the bone marrow to the mature RBC. The development of these cells involved the three phases.
During second phase involves the differentiation of the precursors of the three different type of erythrocytes that are polychromatophilic, proerythroblasts, and orthochromatic erythroblasts. It also includes building up the color of the hemoglobin that overwhelms the color of ribosomes that is blue color.
Thus, the correct answer is - phase 2.
Answer:
photograph cells in mitosis
The Moon appears to Earth as a small crescent, as it rotates around the Earth this expands to a full moon and back to a small crescent. This happens once every 29 days and is called a lunar month. The Moon causes the rise and fall of the ocean's tides on Earth.
Answer:
<u><em>Current and WIND</em></u><u> cause water motion.
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Given that an average human has a heart rate of 70 beats per minute and if one is to have a 70 year life span, the number of times it will beat is 2,575,440,000 times. This was computed by multiply 70 years by 365 days/year x 24 hours/day x 60 minutes/hour x 70 beats/min. Thus, the heart will beat numerous times before it finally stops.
