Individuals who are affected by Sickle Cell Anemia have a mutation which leads to the production of valine instead of glutamic acid in a specific gene. The change in codons is shown as GAG to GTG. This is a mutation.
A:nonsense
B:frameshift
C:silent
D:missense

The transport tubes for food coming down the plants are called?

How water is moving through the ecosystem ?

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.