Question 6 In DNA replication .

A-All of the answers are correct

B-the two strands of DNA come apart

C-a copy is made

D-each copy has one strand of "old" DNA and one strand of "new" DNA.

Use the drop-down menus to label each of the following changes p for physical change and c for chemical change.

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.