Multicellular animals belong to the kingdom
a. Plantae.
b. Animalia.
c. Prokaryotae.
d. Fungi.
B
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Four small bags are filled with a 10% starch solution. The membrane of each bag contains microscopic pores large enough to let smaller water molecules cross but too small for the larger starch molecules to cross.Each bag is placed in a separate beaker as follows:Bag 1 is placed in distilled water containing no starch (0% starch).Bag 2 is placed in a solution of distilled water and 5% starch.Bag 3 is placed in a solution of distilled water and 10% starch.Bag 4 is placed in a solution of distilled water and 50% starch.The bags are weighed initially and at regular intervals for a specific period of time. Some bags saw a change in weight, and some did not. Answer the following questions based on the expected outcomes of this experiment.a. Which bag should weigh approximately the same at the
end of the experiment as it did at the beginning of the experiment?b. Which bag is expected to be the heaviest at the end of the experiment?c. Which bag is expected to be the lightest at the end of the experiment? What will be an ideal response?
PKU detection includes
a. prenatal karyotyping. b. urine analysis at puberty. c. blood tests at puberty. d. saliva tests. e. urine analysis and blood tests at birth.
Tracers are elements that
a. are used in minute amounts in plants. b. can be monitored through biochemical reactions. c. must be inert. d. have an unbalanced electrical charge. e. must have a stable nucleus.
A muscle will ________ if levels of calcium and potassium decrease in the blood
Fill in the blank(s) with correct word