Question

Which factor decreases the rate of a chemical reaction within cells?

A co-factor
Increased substrate
Increased enzyme
Cold temperature

Answer 1

Which component of a chemical reaction does not change from beginning to end?

A co-factor
Substrate concentration
Enzyme concentration
Hot temperature
A beverage company advertises a new iced drink that contains important enzymes to help with digestion. What is an accurate conclusion about their claim?

The drink contains enzymes but they are inactive.
The claim is false because enzymes don't help with digestion.
The enzymes in the drink will increase digestion.
The drink probably contains very few enzymes.

Answer 2

Jack consumes two slices of pizza and drinks two large glasses of soda. Half an hour later, he complains of a stomachache. What is the most likely reason for Jack's upset stomach?

Soda and lactose from the cheese combined and slowed enzyme activity.
Soda mixed with the pizza sauce and sped up digestive enzyme activity.
Soda raised the pH in his stomach and sped up digestive enzyme activity.
Soda lowered the pH in his stomach and slowed digestive enzyme activity.
ooops im in wrong subject

Answer 3

Transcription factor - Wikipedia, the free encyclopedia
en.wikipedia.org/wiki/Transcription_factor
Wikipedia
downregulation, repression, or suppression – decrease the rate of gene .... This is one mechanism to maintain low levels of a transcription factor in a cell. .... Due to the nature of these chemical interactions, most transcription factors bind DNA in a ... In that respect a single-copy transcription factor can undergo a change of ..

Which component of a chemical reaction does not change from ...
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Jun 14, 2014 - A co-factor ... Enzyme concentration does not change.