Can result from adding or removing thermal energy
What will be an ideal response?
change of state
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In the streak plate method, what is the best way to ensure that the loop is cool, after it has been flamed?
A) Touch the loop to your finger to determine the temperature B) Touch the loop to an uninoculated area of the plate C) Touch the loop to an inoculated area of the plate
Four of the five answers listed below are endocrine glands. Select the exception
a. thymus gland b. salivary gland c. parathyroid gland d. thyroid gland e. pituitary gland
A recessive trait that is inherited through complete dominance can occur only if both parents are heterozygous for the trait
Indicate whether the statement is true or false
A student uses restriction enzymes to cut a DNA molecule into fragments. The digested DNA is loaded into the wells of an agarose gel and the gel is subjected to an electric current. Upon completion of the run, the gel is stained. The type and density of the gel are important because
(A) they influence the rate of migration of the fragments (B) they may cause some DNA molecules to replicate (C) some DNA nucleotides may be lost due to chemical reactions with the gel (D) some DNA molecules may sink to the bottom and not migrate (E) some DNA molecules may cross-link