a colorimeter is an instrument used for chemical analysis by comparing a liquids color with standard color.

Why is carbon considered tetravalent? A. Since it has four electrons in its outermost orbital, it needs four more electrons to complete its octet. B.

How many solutions does the equation 3 (x + 2) - 10 = 4x - 6 + x have? A. infinitely many solutions B. two solutions C. one solution D. no solution

Is the interphase of a stem cell short or long

Answer quickly: All the information necessary for an organism to form and grow is recorded in the organism's DNA. How does DNA use its stored information to express a trait? A. The genes in the DNA instruct the cell to synthesize proteins. B.

Why is it so important to mankind that NASA finds life on Mars?

What is a theory in biology

How might damaged alveoli affect the o2 level in the blood

The electrons of an atom occupy one or more areas of space called

The nucleus and other organelles of a neuron are primarily housed in which part of the cell? axon dendrite glial cell cell body none of the choices is correct.

What does every letter of the mRNA strand correspond to? (there is no chain to go with this question)