Review Test Submission:
Microbiology 1 Sec 001 (30759) Spring 2017
4/25/17 12:43 PM
4/25/17 12:50 PM
Attempt Score 6.5 out of 6.5 points
The control is red, if the organism used
sugar in side of fermentation tube,
fermentation will produce acid and pH goes
down => turn yellow
If gas is produced, it will be captured in the
upside down small tube inside
2. MRVP ( basic MRVP test
1. Green color indicates what? what are we looking for?
1. Answer pg 135
Phyenylalanine deaminase present
2. Pg 136? Explain each
Tubes 2 & 3 show the black precipitate that is the (+) indicator for production of H2S, not black,
sulfur is not
How many arrows do you see
in the following shape?
Bacterial Growth is Bacterial Reproduction
The Numbers of Bacteria are Increasing
1. Observable Increases in Colonies
Growing on Solid Media
1. Answer pg 132
The gelatin hydrolysis tests for an organism's ability to break down the protein
gelatin which is derived from collagen. Gelatin causes the media to thicken,
especially at cooler (below 28 C) temperatures.
Q 1 answer
Q 1 answer, pg 118
Pf pair, yellow on the top(unsealed) used the sugar in OF glucose test, but they need
oxygen to use sugar, thats y it turned yellow on the top , the seal one (oxygen was
not present) the sugar was not used
Ea pair, both
1.what is it?
1. Answer keys
Catalase Test Lab: Respiration pg 143
Answer: Pg 145,
after adding hydrogen peroxide
if the catalase presents, bubbles immediately
1. test result?
2. where do you find cytochrome?
2. Answer keys
1. blue means positive fo
What is the clear area for?
2. DNA Repair of bacteria? (lab
2. Answer (ex
The plasma membrane is called a fluid mosaic because it contains a mosaic of proteins suspended within a phopholipid bilayer.
Mosaic because it is a surface made of many different parts. Fluid because most proteins and phospholipids can flow sideways