Monday, December 15, 2025

Lab: Cell Communication & 4.5 Cell Cycle


2-Hour Delay  Mod C/D 1:01-1:56

 

Today's Learning Objective(s):

·        Explain how positive and negative feedback helps maintain homeostasis.

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Tasks:

1

Pre-Lab Cell Communication
Let’s go over the pre-lab.    

2

Lab: Cell Communication
This lab explores pheromones and the reactions of two sexes of yeast cells.

 

Universal Precautions
Goggles and gloves to be worn.

Clean work area before beginning.

No food / drink / water bottles in the lab.

 

Day 1

 

Streaking plates and inoculating broth

 

Two sexes of yeast α-type and a-type

 

3

Cell Cycle Foldout Activity

Use the textbook chapter 9 to complete the foldout activity on Cell Cycle

 

9.1 The Cell Cycle

9.2 The Eukaryotic Chromosome

9.3 Mitosis and Cytokinesis

9.4 The Cell Cycle and Cancer  

 

4

Review


Quiz tomorrow!

 

Quiz: Feedback (Homeostasis)

 

Homework

Quiz Study Guide

📕Textbook 9.1 

📕Textbook 9.2

📺Daily Video 4.5.1

 

Upcoming Assessments

Tomorrow Quiz: Feedback

12/19/25 Quiz: Cell Cycle

12/22/25 Test: Cell Communication & Cell Cycle

 

Calendar Notes

12/24/25 – 1/4/26 Winter Break

1/5/26 School Resumes (unit 5 start)