What conditions are needed to form organic molecules from inorganic molecules? abundance of oxygen and the ozone layer active volcanoes and very cold temperatures presence of inorganic molecules with lightning and intense radiation low levels of ultraviolet radiation and a specific mixture of gases

The chemical form of energy that is useable by the cell to do work

Hormones are chemical molecules produced by endocrine glands. one such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. which two statements describe the probable reason for the function of the hormone? the cells in the heart have specific receptors that allow for the intake of hormones. the heart and the endocrine glands have the exact same types of cells. all cells make the same types of hormones. thyroid hormones show their effect on the heart by means of specialized cells. thyroid cells and cardiac cells have different dna.

What happens when a plant is losing too much water through transpiration? question 14 options: stomata open stomata close guard cells swell respiration increases