You can tell that the cells you're observing are animal cells because you do not see which of the following? A: a cell wall and chloroplasts B: a cell membrane and chloroplasts C: a nucleus in a cell wall or D: a nucleus and a cell membrane

Which best describes the flow of genetic information? A. Protein to DNA to RNA B. Protein to RNA to DNA C. DNA to RNA to protein D. RNA to DNA to protein

How does eye location best represent the relationship between structure and function? A. It determines how much of the surroundings an organism can see. B. It affects how an organism interacts with others in its population. C.

Choose the scientific question. A. Would you like to have a frog as a pet? B. Who is the smartest biologist alive today? C. Which university has the fanciest lab equipment? D. How is the number of frogs in Massachusetts affected by pollution?

Indicate at which step of the replication-transcription-translation process each type of rna first plays a role.

What type of messages do neurons deliver to one another

Local conditions such as heavy rainfall or the removal of plants may limit the amount of nitrogen, phosphorus, or calcium available to a particular ecosystem, but the amount of carbon available to the system is seldom a problem. Why

Infer why there is more species diversity in southern florida than there is in northern alaska

Wich can modern taxonomy do

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