The primary structure of a protein refers to the sequence of amino acids that
are linked together in a long chain. Which of the following common items
would best represent the primary structure of a protein?
O
A. A burning wax candle placed in front of a small fan
O
B. Two unsharpened pencils held together by a piece of tape
O
C. Beads of different colors joined together on a piece of string
O
D. A dry kitchen sponge sitting beneath a mound of table salt

And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?

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.

Which cell organelle is the site for photosynthesis? a. chloroplast b. endoplasmic reticulum c. golgi apparatus d. lysosome