Before testing for starch, the leaf is warmed in ethanol. The ethanol turns green. Why is this?

With a new baby, your sleep has been interrupted so frequently that you have been deprived of rem sleep for several days. how might this affect you?

A change in the base subunit sequence during dna replication can result in

When subtracting or adding two numbers in scientific notation, why do the exponents need to be the same?

Which statement describes the independent variable?

The energy required to break a bond is called

If u look for rna n various parts of the cell, where would it be found

In which geochemical cycle does the most abundant nutrient in earth's atmosphere appear in its gaseous form?

Sample Response: The sound of the drumstick hitting the metal bar will get to me in a shorter amount of time in Scenario 1.

A sedimentary rock containing a fern fossil was found. What does this tell about the area at the time the rock was formed? The area was hot. The area was covered by an ocean. The area was on land. The area was cold.

1. Which of the following statements best describe the difference between angiosperms and gymnosperms? A. Angiosperms produce cones to protect their seeds; gymnosperm seeds are surrounded by fruit. B.