S2 Biological Molecules and Enzymes

Quiz
•
Biology
•
10th Grade
•
Medium
Standards-aligned
David Meur
Used 101+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which chemical element is found in proteins, but not in carbohydrates or fats?
carbon
hydrogen
oxygen
nitrogen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Small molecules are used as the basic units in the synthesis of large food molecules.
Which statement is correct?
Amino acids are basic units of carbohydrates.
Fatty acids are basic units of glycogen
Glycerol is a basic unit of oils.
Simple sugar is a basic unit of protein.
Tags
NGSS.HS-LS1-6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The diagram shows a protease molecule catalysing the break down of a protein molecule.
Which letter denotes the substrate?
P
Q
R
S
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The diagram shows a protease molecule catalysing the break down of a protein molecule.
Which letter denotes the product?
P
Q
R
S
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The diagram shows a protease molecule catalysing the break down of a protein molecule.
What is P?
Product
Substrate
Active Site
Denatured
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Many enzymes do not work at temperatures above 60 °C.
Which statement explains this?
Product molecules are not made because the active site has changed shape.
Product molecules change shape so they do not fit the active site
Substrate molecules are moving too fast.
Substrate molecules are moving too slowly.
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of these are the correct combinations
iodine solution to test for starch
biuret test for reducing sugars
ethanol emulsion test for proteins
Benedict’s solution to test for reducing sugars
biuret test for proteins
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