What is the major difference between bacterial chromosomes and eukaryotic chromosomes?

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome

Which of the following are responsible for sending messages from the hypothalamus to the thalamus?

An uncomfortable feeling in the ears when descending in an airplane is caused by changes in air pressure on the: a. inner ear b. middle ear c. eardrum d. hammer/anvil