Which of the following is an example of a chemical change?
a. dissolving salt
b. frying an egg
c. freezing water
d. bending metal

The meselson-stahl experiment demonstrated that dna replication is semiconservative. in the figure, semiconservative replication is illustrated by

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse