Microbiome Chapter 1 Test

Front

What is the correct magnification with the 40x lens?

Back

40x x 10x = 400x

Front

What does scale mean in this unit of study?

Back

The relative size of things.

Front

Which is larger: cells or molecules?

Back

Cells.

Front

What is a bacteria?

Back

An organism made of 1 cell.

Front

How many microorganisms are there in the human body?

Back

Over 100 trillion.

Front

What is a microbiome?

Back

A community of microorganisms living in a specific environment, such as the human body.

Front

What is the primary function of bacteria in the human microbiome?

Back

To aid in digestion and nutrient absorption.

Front

What is the difference between unicellular and multicellular organisms?

Back

Unicellular organisms are made of one cell, while multicellular organisms are made of multiple cells.

Front

What role do microorganisms play in ecosystems?

Back

They decompose organic matter and recycle nutrients.

Front

What is the significance of the human microbiome?

Back

It plays a crucial role in health, immunity, and disease prevention.