What should be true of a molecule being used as a molecular clock? . a)it has a consistent rate of neutral mutations from generation to generation.. b)it is a rare molecule that is not found in many living species that might be compared.. c)its mutations always affect the phenotype, making it easier to observe the changes.. d)it serves an unnecessary function, making it less likely to be preserved over time.

Which of these statements is false? a. others may notice a problem with a relationship before the people involved. b. the first sign of a problem with a relationship is a feeling of anger. c. damaged relationships can be repaired. d. even good relationships can be damaged.

What is the period of cell life when it is conducting

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.