Unit test Flashcards
what is an enzyme?
Enzymes are proteins that catalyze chemical reactions in a biological system.
What is a substrate?
a molecule that is acted upon by an enzyme
what is an inhibitor?
a molecule which interacts with enzyme to prevent it for working normally
How are enzymes at 0 degrees?
enzyme action is low because the movement of the molecule is low
How will enzyme react at high temperature?
they will denature eventually due to high temp
What temp do human bio enzymes work best at?
37
which temp will most enzyme denature?
50
At what PH do most enzymes work best at?
6-8
what is the ideal optimum PH for enzymes?
PH
What does optimum mean?
the optimum range is the pH and temperature at which the enzyme is most efficient
Whats Osmosis?
Osmosis is the movement of a solvent to a low concentration to a high area of concertration through a semipermiable membrane
Elements of Carbohydrates
C,O,H
Elements of Protein
C,O,H,N +- S
Elements of Lipids
C,O,H
Whats at the back of the head and in chin?
salivary glands
What is next to duodenum?
liver
what is in duodenum?
gall bladder
whats under stomach?
intestine
whats under right part of intestine?
appendix
Test for protein
add biurret if it turns blue its positive and if light blue its negative
Protein test: add biurret
if turns ____ positive
_____negative
blue, light blue
Gluscose: add Benedict
if positive _____
if negative_____
orange, blue
Starch: add iodine
if positive_____
if negative______
black, orange
