Specialized structures are expressed with the help of mRNA. What role does mRNA play? a) Making energy available for cellular activities
b) Creating bonds to form large polymers
c) Assisting with replication by producing glucose
d) Providing information from DNA that is used to form proteins

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?

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.

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient