Biology Levels of Organization Quiz

Questions and Answers

The levels of organization in increasing order are: ______.

organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.

What are the structures that allow cells to be motile?

cytoskeleton

What is the name of the organelle where chlorophyll is stored?

thylakoid membrane

What is the function of the mitochondria?

creates energy for cell Signup and view all the answers

Which organelles are responsible for synthesizing new molecules?

the endoplasmic reticulum Signup and view all the answers

What is the main function of the cell membrane?

provides protection and transport substances in and out Signup and view all the answers

How does the cell membrane assist in homeostasis?

it keeps the cell equal Signup and view all the answers

Name and explain the processes involved in the cellular transport of water and solutes in and out of the cell.

osmosis is diffusion of water molecules across the membrane. Signup and view all the answers

Have a general understanding of how the egg reacted in different solutions of hypotonic, hypertonic, and isotonic.

iso is equal, hyper more in cell so some goes out to equalize, hypo less in cell so takes in. Signup and view all the answers

Review the pictures of Osmosis, Diffusion, Facilitated Diffusion, and Active Transport.

Review the pictures of Osmosis, Diffusion, Facilitated Diffusion, and Active Transport. Signup and view all the answers

Study Notes

Levels of Organization

Hierarchical structure in biology includes organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, and biosphere.

Structures for Cell Motility

The cytoskeleton provides structural support and facilitates cell movement.

Chlorophyll Storage

Chlorophyll is stored in the thylakoid membrane of chloroplasts, crucial for photosynthesis.

Mitochondrial Function

Mitochondria produce ATP, the energy currency of the cell, through cellular respiration.

Organelle Synthesis

The endoplasmic reticulum synthesizes new molecules, including proteins and lipids.

Cell Membrane Function

The cell membrane protects the cell and regulates the transport of substances in and out.

Cell Membrane and Homeostasis

The cell membrane maintains homeostasis by managing the internal environment and ensuring the balance of substances.

Cellular Transport Processes

Osmosis describes the diffusion of water molecules across a semipermeable membrane, crucial for maintaining cell turgor.

Egg Reaction in Solutions

Isotonic solutions have equal solute concentrations; hypertonic solutions cause water to exit the cell, while hypotonic solutions lead to water entering the cell.

Cellular Transport Overview

Review processes: Osmosis (water movement), Diffusion (solute movement), Facilitated Diffusion (assisted transport), and Active Transport (energy-requiring movement).

Description

Test your knowledge on the increasing levels of biological organization, from organelles to biospheres. This quiz covers critical cellular structures and their functions, including motility and chlorophyll's role. Suitable for students studying biology.