A hormone travels through the circulatory system to deliver a signal. Of what is this an example?

A. enzyme

B. intracellular

C. ion channel

D. intercellular

How does the body avoid damaging the digestive enzymes in the small intestine

What stage of cellular respiration is anaerobic?

In functional genomics, biologists use sequence information to identify the functions of various parts of genomes.

explain the scene in the emergency room that missy is a part of. What do you think happened between jolene and newt?

Which force brought together the material from the nebula to form the solar system? A. electromagnetism B. strong nuclear force C. weak nuclear force D. gravity

you are running an experiment trying to figure out how water affects plant growth for three orchid plants you recently bought. The orchids are the same species and you will place the plants next to eachother in the same windowsill.

The living world is organized in levels. Biotic and abiotic factors also can be arranged into levels of biological organization. Put the words below in order from the least complex to the most complex

Which of the following, when taken up by the cell, binds to the repressor so that the repressor nolonger binds to the operator? A) ubiquitin B) inducer C) promoter D) repressor E) corepressor

Which of these organisms would be a producer? A. fish B. grasshopper C. flower D. snake

A 75 year old man need a replacement heart valve. he lives alone and cares for himself. is a mechanical or biological heart more suited for him