21. Identify one factor that can affect the proper development of essential organs of the fetus during pregnancy. *

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Which of the following statements is true of enzymes? a)they dont provide an active site for substrates to bind in a reaction b)they act on a specific type of substrate in a reaction c)they unusable after a reaction d)they change shape after a reaction

Which image shows labeled organelles that are present only in plant cells?

Use the numbers to place the companies in order of greatest comparative advantage to least comparative advantage in producing large tubes of toothpaste.