Cells: Learning the Basics

The term "cells" actually means _____

"little rooms"

Name 3 things that all cells have.

3 things that all cells have is a membrane, cytoplasm and an organelle.

Lysosome

An organelle that breaks down waste

Ribosome

An organelle that make protein

Golgi Complex

An organelle that modifies, sorts, and packages proteins for secretion

Mitochondria

An organelle that produces energy to the cell through respiration

Who was Anton van Leeuwenhoek and what was his contribution to what we know about cells?

Anton van Leeuwenhoek is a Dutch merchant who created his own microscopes. His contribution to what we know about cells is that different animals have different blood cells and that pond scum is a single celled organism.

Blood cells in fish, birds, and frogs are what shape?

Blood cells in fish, birds, and frogs are oval shaped.

List 4 organelles, and the job/function of each, from the illustration on page 358 of your textbook

Mitochondria Lysosome Ribosome Golgi Complex

Why are most cells small?

Most cells are small because cells take in food and get rid of waste through their outer surface. As the cell gets larger, it needs more food and produces more waste. So more materials pass through its outer surface.

_____ perform specific functions within the cell.

Organelles

_____ was the first person to describe cells

Robert Hooke

What are the three parts of the cell theory?

The 3 parts of the cell theory is 1. all organisms are made up of one or more cells, 2. the cell is the basic unit of all living things, and 3. all cells come from existing cells.

Which layer protects the cell's surface?

The cell's membrane protects the cell's surface.

How can the yolk of a chicken egg, which is a cell, be so large?

The yolk of a chicken eggs can be so large because it doesn't have to take in more nutrients.

What did Theodor Schwann conclude in 1839?

Theodor Schwann concluded in 1839 that all animal tissues were made up of cells.

Where would we find the DNA in a cell?

You would find the DNA in the nucleus.

Cells with no nucleus are called _____

bacteria cells

In 1858, Rudolf Virchow stated that "all cells come from _____ cells."

other

Cells that have a nucleus are called _____

red blood cells