<span>Cocaine Preparations
-Coca leaves --> Coca Paste (60% pure): Not water soluble, so you can't inject it into the bloodstream -- you need an additional chemical step to turn the paste into crystal powder that can be injected or snorted
-Coca --> Cocaine Hydrochloride (99% pure): Doesn't hold up very well to heat, so you can't smoke cocaine hydrochloride
-Cocaine Hydrochloride (99% pure) --> Free-Base Cocaine or Crack Cocaine:
-Reconvert cocaine hydrochloride back to base state by removing hydrochloride from cocaine (that's why it's called free-base cocaine)
-Crack cocaine is a crystallized form, mixture of cocaine and baking soda
-75% pure
-Can be used at lower doses and is much cheaper than cocaine
-Can be smoked</span>
The cell is the smallest level of organization and is composed of chemicals and atoms. These chemicals regulate the structure and functioning. Thus, the statement is true.
<h3>What is a cell?</h3>
A cell has been defined as the basic unit of the organization of organisms that have been known to be composed of chemicals, atoms, and molecules. They are bonded together to perform various functions.
The chemicals and elements involved are the fundamentals that provide the structural support and functions of the cell like the carbohydrates and lipids provides shape to the cell.
Therefore, the statement is true.
Learn more about the cell, here:
brainly.com/question/13021101
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Your question is incomplete, but most probably your full question was, that cells are composed of chemicals, and both the structure and function of cells are regulated by basic chemistry principles. (True/false).
Answer:
<h3>
BMI (IMC): 25.7 </h3>
<u>Explanation:</u>
Dado que el IMC de Laura es 25,7, tiene sobrepeso.
El sobrepeso puede aumentar el riesgo de ciertas afecciones de salud, incluidas las enfermedades cardiovasculares, la presión arterial alta y la diabetes tipo 2.
A proposed explanation for a wide range of observations and experimental results that is supported by a wide range of evidence. ... Most factors are held constant in a scientific experiment because you can only change one factor in an experiment so if you notice something, you'll know what caused it.
