Answer:
Almost all rocks made of minerals, but different rocks contain different mixtures of minerals.
Explanation:
Rocks are composed of grains of minerals, which are homogeneous solids formed from a chemical compound arranged in an orderly manner. The aggregate minerals forming the rock are held together by chemical bonds.
Answer: Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract.
Explanation: It starts in the esophagus where strong wave-like motions of the smooth muscle move balls of swallowed food to the stomach.
<span>Evolution, Creationism, or Ancient Astronauts. The correct answer is evolution because the theory of evolution was arrived through observation, data collection and then testing the theory of natural selection that explained the observable data using the scientific theory.</span>
An enzyme called RNA polymerase is in charge of converting a DNA sequence into an RNA sequence during transcription.
All species have RNA polymerases, however the number and make-up of these proteins differ between taxa. For instance, while eukaryotes (multicellular organisms and yeasts) have three different forms of RNA polymerase, bacteria only have one type. Despite these variations, transcriptional processes remarkably resemble one another. For instance, all species need a way to control transcription in order to alter the timing and location of gene expression.
Learn more about RNA polymerases here
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