When looking at a slide you see what appears to be open spaces with small cells in it, this all is surrounded by layers of connective tissue. What type of tissue is being observed?

A differential agar medium: Select one: a. only selects for one specific kind of organism b. none of the above c.

How are space shuttles and underwater vehicles similar? a They both were invented during the 19th century. b They are both examples of science influencing technology. c They both had negative impacts on scientific study.

According to the food web shown, which organism is both a primary consumer and a secondary consumer? A. fish B. other seals C. other herbivorous zooplankton D. krill

Most drugs that are sold on the illegal market are about 95 to 99 percent pure, containing only the drug itself. True False

Name any five genetically modified plants

Which human activity directly affects the quality of freshwater resources

True or false? One possible way to alter chromatin structure such that genes could be transcribed would be to make histone proteins more positively charged.

The information in the passage suggests that in mice CRY1 most likely affects XPA by:

What is the role of tRNA during translation? A. It breaks apart the mRNA molecules. B. It provides the code for the protein. C. It links the correct amino acids together. D. It translates from amino acids to nucleic acids

Compare and contrast a compound light microscope and an electron microscope