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Original Price $21.65 Comp. value
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Are You A Catalyst Or Not? (Enzyme-Substrate) T-Shirt
Qty:
Style
Basic T-Shirt
-$1.25
+$8.95
Color & Print Process
White
Classic Printing: No Underbase
Vivid Printing: White Underbase
About T-Shirts
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About This Design
Are You A Catalyst Or Not? (Enzyme-Substrate) T-Shirt
No need to be a chemist or biochemist to enjoy any of these wry science humor gifts featuring the induced-fit hypothesis of enzyme action. Featuring enzyme-substrate complex (enzyme-products complex) and the tongue-in-cheek life query that all must answer: "Are You A Catalyst Or Not?" Memorable scientific gag gifts for all who wonder about activation energy!
Customer Reviews
4.7 out of 5 stars rating31.5K Total Reviews
31,479 Reviews
Reviews for similar products
5 out of 5 stars rating
By Jerry S.July 5, 2025 • Verified Purchase
Basic T-Shirt, White, Adult L
Have had Zazzle complete a number of T-shirt projects in the past. This one had several design elements. It was well done. I will work with Zazzle again.
2 out of 5 stars rating
By Mas B.August 8, 2025 • Verified Purchase
Basic T-Shirt, White, Adult S
The T shirt seems to be made from decent material but appears to be an irregular t-shirt sewn and stitched. .
5 out of 5 stars rating
By Tina H.September 5, 2021 • Verified Purchase
Basic T-Shirt, Grey, Adult S
Creator Review
Both guys are getting laughs from wearing their funny vaccine lab rat shirts! Great printing looks exactly like the picture online
Tags
Other Info
Product ID: 235821845988929322
Created on: 9/12/2010, 4:09 PM
Rating: G
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