Cells in the human heart have more mitochondria than many other cell types in the human body.   Based on this information, you would expect heart cells to produce high amounts of _______________________.

The enzyme maltase is a digestive enzyme that digests the sugar maltose.  It is produced in cells of the salivary glands and excreted into the saliva of the mouth.  Which of the following is the predicted pathway for the production of maltase?  

An animal embryo at the eight-cell stage has cells that are arranged spirally and exhibit determinate development.  Which of the following can this embryo develop into?

Plasmogamy is indicated by the letter _____ and karyogamy is indicated by the letter _____. 

Stachybotrys chartarum is an ascomycete fungus that causes respiratory disease in infected people.  You are working to develop a drug to treat this infection.   At which stage of the fungus’ life cycle would reproduction be stopped if a drug that prevents the fusion of nuclei was applied?

In humans, Preimplantation Genetic Diagnosis (PGD) is a genetic reproductive technology that allows a doctor to remove a single cell from an 8-cell stage embryo and test the single cell for the presence of genetic problems. As long as there are no genetic problems, the remaining 7-cell embryo develops normally (and eventually becomes a child). This technology is possible because at the 8-cell stage of development, human cells are: _______________________________  (Select all that apply)

Amphibians can be viewed as transitional between an aquatic life and a life that can be lived independently of water because:

Which one of these groups of invertebrate animals includes organisms with pharyngeal gill slits?

During embryonic development in the eumetazoa, gastrulation results in

What is the function of gametangia in plants?