periodic table
what element is Na?
sodium
what reagent detects proteins?
biuret reagent
what is the positive control responsible for?
The positive control contains the organic molecule that you are testing for and reacts with the chemical reagent.
what element is Cl?
chloride
what is natural selection?
natural selection in simple terms is how species adapt and change overtime.
what is the definition for atomic number?
the number of protons an element contains
what is another word for fats in biology?
lipids
what color can we expected with monosaccharides present?
green, yellow, orange or brick red depending on the concentration of sugar in the solution.
what value makes an ionic bond?
value more than 1.8
define gene
are four letters coded to made to be joint together, these letters are T-A and C-G
how would you describe the atomic weight of an element?
it is the mass number which is protons + neutrons. usually a decimal.
what is the monomer of nucleic acids?
nucleotides.
what is the negative control responsible for?
The negative control does not contain the organic molecule that you are testing for.
Why do we need to understand chemistry to study biology/life?
chemistry is very vital to the study of biology and life because it is built on chemical processes.
Is natural selection the same as random chance?
natural seletion is the same as random chance. it is more as survival of the fittest because it is the organisms that have more favorable triats that are more likely to produce and survive in their enviroment.
what is the atomic symbol for hydrogen?
H
which bond stabilizes the alpha felix and beta pleated sheet?
hydrogen bonds
what are the four major biomolecules?
carbohydrates, proteins, lipids, and nucleic acids
true or false. the octet rule needs 7 atoms to complete the configurartion of the shell?
false
what is a phenotype?
are characteristics that are observable from the genotype of their enviroment.
what is the octet rule?
atoms gain or lose electrons to attain the most stable electron shell configuration.
which protein strucute represents the alpha helix and beta pleated sheet?
secondary
when does Lugol's iodine color change?
Lugol’s iodine changes color, from amber to dark blue, in the presence of starch.
if value is less than 0.4 is it polar or non polar?
non polar
How is this different than artificial selection?
natural selection is different than artifical selection because us as humans decide to our desired traits to breed as opposed to natural selections where the environmental pressures what organisms survive and reproduce.