10/21 - 7th Grade Agenda Learning Objective: Learn about chemical in cells Collect: Chap 3 Section 1 & 2 Reading Guide Collect: Signed Grade Printout Class Reading p.97-101 HW: Reading & Note Taking p. 61 - 64 Reminder: HW: Cell Model due 11/5 & 11/6 (40 Points)

Reflection Describe 2 differences between plants and animal cells

A tiny cell structure that carries out specific function within the cell is called _____________ Organelle

The _________ is a rigid layer of nonliving material that surrounds the cells of plants and some other organisms Cell Wall

The ____________ controls what substance come into and out of a cell Cell Membrane Cell’s Doorway

The ____________ is the cell’s control center, directing all of the cell’s activities Nucleus Brains of the Cells

Powerhouse Mitochondria The _____________ are called the powerhouses of the cell because they produce most of the energy the cell needs to carry out its functions Mitochondria Powerhouse

Endoplasmic Reticulum The _________________ are passageways that carry proteins and other materials from one part of the cell to another. Endoplasmic Reticulum Freeway of the Cells

Ribosomes The ________ are small grain like bodies which are attached to the outer surface of the endoplasmic reticulum. that act like factories to produce proteins Protein Factory

The ___________ can be thought of as the cell’s mailroom The ___________ can be thought of as the cell’s mailroom. It receive proteins from endoplasmic reticulum and distribute them to other parts of the cell. Golgi Bodies Mailroom

The __________ are only found in plants The __________ are only found in plants. It capture energy from sunlight and use it to produce food for the cell. Chloroplasts Solar Cells

The ________ are water filled sac floating in the cytoplasm The ________ are water filled sac floating in the cytoplasm. It act as the storage area of the cell. Vacuoles Storage Area

The ________ are small round structures that contain chemicals that break down large food particles into smaller ones Lysosomes Cell’s Cleaner