Match the structural formula to the chemical formula for this substance.

CH2Cl2

C2H6O

C2H6O2

H2CO3

Earths tropics have the most diverse ecosystems because they have a. the most invasive species b. very little competition c. stable levels of moisture d. many primary disturbances

The Golgi complex functions to synthesize proteins. both modify and sort proteins into those destined for secretion and those that function in membrane structures. sort proteins used within the cell.

Why does condensation occur in a newly fertelized egg?

Which of these is true about vaccines? A They prevent viruses from replicating once you are infected. B They are not effective at giving people immunity against a virus. C They cause the body to produce antibodies against a specific virus.

What is an inference? a. an observation b. a way to avoid bias c. a variable in an experiment d. a logical interpretation of an observation

A nurse is caring for a patient who has been receiving a drug by the intramuscular route but will receive the drug orally after discharge. how does the nurse explain

What patterns are observed in the organization and distribution of matter in the universe

The speed of sound is at 300 feet below the sea than at 200 feet. slower faster

The taxonomic classification category that contains the least number of different organisms is __. family species kingdom domain Biological Taxonomy is the science of a.) naming everything b.) comparing the molecular clocks between organisms c.

Tyrrell wanted to measure the growth of tomato plants in response to different types of fertilizer. Which tool would be most accurate?