Biology Flashcard UNIT 1

Front

What are specialized cells?

Back

Cells that have different sizes, shapes, or functions depending on their job.

Front

What is a virus?

Back

A nonliving particle with DNA in a protein coat.

Front

What is a signal?

Back

A message being sent.

Front

What is a dose?

Back

1. Amount or concentration of antibiotic used. 2. The time intervals the antibiotic should be administered.

Front

What is a receptor?

Back

A part of the cell that sticks out and matches the shape of the signal.

Front

What is the function of specialized cells in multicellular organisms?

Back

They perform specific functions that contribute to the organism's overall function.

Front

How do viruses differ from living cells?

Back

Viruses cannot reproduce on their own and require a host cell to replicate.

Front

What role do receptors play in cellular communication?

Back

Receptors bind to signals and initiate a response in the cell.

Front

What is the importance of dosage in antibiotic treatment?

Back

Proper dosage ensures effectiveness and minimizes the risk of resistance.

Front

What are the characteristics of living organisms?

Back

They grow, reproduce, respond to stimuli, and maintain homeostasis.