Study Guide for st 1 Lab Practical MMCC

Study Guide for st 1 Lab Practical MMCC Bio 101

Slide #6 This is a slide of a muscle cell. What organelles can you see?

What is this?

Wet mount onion cells

Wet yeast cells

Another wet mount of yeast cells

What is it called when water moves from an area of high concentration to an area of low concentration across a membrane?

What is it called when water moves from an area of high concentration to an area of low concentration across a membrane? Osmosis

Lab 5 Osmosis What is this bag called?

Lab 5 Osmosis What is this bag called? Dialysis tubing

Hypertonic vs Hypotonic What does it mean when a solution is hypertonic? Hypotonic?

Which tubes were isotonic? 1. Tap water 2. Oil 3. Syrup 4. Protein 5. Deionized water

Which tubes were isotonic? 1. Tap water 2. Oil 3. Syrup 4. Protein 5. Deionized water

What does semi permeable mean?

What does semi permeable mean? A membrane that allows certain material through it but does not allow everything through based on size.

Lab 6 What type of equipment is this?

Lab 6 What type of equipment is this? Fermentation tube

What gas collects in the fermentation tube? Carbon dioxide

What was the optimum temperature for yeast?

between 45 an 55 o. C is the optimum temp for yeast.

When you tare a balance, what are you doing?

When you tare a balance you zero it out.

How many drops of liquid = 1 ml ?

How many drops of liquid = 1 ml ? 21 drops

Describe the process of fermentation. Where does fermentation occur?