If the concentration of molecules outside the cell is very high relative to the internal cell concentration, the rate of diffusion will also be high. If the internal and external concentrations are similar (low concentration gradient) the rate of diffusion will be low.

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3 years ago

List in the order they occur in during the development of red blood cells.

Serhud [2]

Stem cells arise from the inner mass of the cell

Signalling factors trigger differentiation in stem cells

Genes that lead to the production of undifferentiated blood cells are activated

Signalling factors cause undifferentiated blood cells to produce red blood cells

Explanation:

Red blood cells are formed in the bone marrow. The precursor to the RBC is stem cell which is undifferentiated and pluripotent. The stem cell gets differentiated to form immature RBCs. Immature RBC then gets divided and becomes mature. Stem cell giving rise to RBC is called Haemoctytoblast. The process of erythropoiesis takes 2 days to form new red blood cells

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3 years ago