When diet and health are adequate, is largely influenced by heredity. the onset of menarche height weight the onset of spermarche?

Height

Explanation:

The height is a good example of the genetic trait. This trait can be influenced by the environmental factors. For example, the child has inherited the trait of tall height from parents but the trait may not express in child and may get suppressed due to environmental factors such as poor nourishment or chronic illness.

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many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.