Stem cells are - cells that can only be found in embryos

cells that never go through division

undifferentiated cells with no specific job

cells that grow uncontrollably

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 type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

What do we call the process when two dominant alleles are expressed and do not blend? a.incomplete dominance b.codominance c.multiple alleles