Science Quiz

Random Science or Chemistry Quiz
Score 0/39 Timer 05:00
0 Plays Today
Question Answer % Correct
The four most common elements in living organisms are carbon, hydrogen, oxygen and _____?nitrogen
62.2%
Cellulose is a kind of _____saccharide?poly
59.5%
Name one factor that affects the rate of reaction at which an enzyme works.pH
57.7%
This kind of bonding occurs between water molecules?hydrogen
57.5%
Photosynthesis is the “plant form” of respiration, correct or incorrect?incorrect
57%
Guanine binds to _____?cytosine
55.5%
RNA has Uracil instead of _____?Thymine
55%
The process going from DNA to mRNA is called?transcription
52.3%
The organic bases in DNA bind together with a _____ bond.hydrogen
50.3%
A globular protein that acts to catalyse a chemical reaction is called a/an _____?enzyme
50%
The pigment used in photosynthesis is called _____?chlorophyll
49.7%
There are ___ different amino acids?20
48.2%
A _____ binds to an enzyme's active site.substrate
48%
A triplet of mRNA bases is called a _____?codon
47.3%
This enzyme separates the two DNA strands?DNA helicase
45.7%
A ribesome binds to the mRNA in this process?translation
44.7%
This important elements can be found in haemoglobin?iron
41.7%
A variable R group is an element in this organic compound?amino acid
40.5%
Aerobic respiration occurs in the _____?mitochondria
40.5%
We add water to generate this type of reaction?hydrolysis
39.7%
Question Answer % Correct
This process occurs in a 5’ to 3’ direction?dna replication
38.5%
A structural change in a protein that results in the loss of its biological properties is called _____.denaturation
37.5%
The process of joining two amino acids into a dipeptide is called _____?condensation
37.2%
A one-peptide protein is called a/an _____?amino acid
28.5%
Another word for 'sugars' is?saccharides
28.3%
DNA is short for _____?Deoxyribose Nucleic Acid
27.7%
This process is the splitting of water into hydrogen and oxygen via light energy.photolysis
25.8%
There are three important properties of water: cohesive, thermal, and _____?solvent
25.3%
17kJ of energy, per gram, is stored in this compound?carbohydrates
24.7%
_____ is the process of making polypeptides.Translation
22.2%
Ribose is a kind of _____?carbohydrate
21%
Glycolysis produces how many molecule(s) of ATP per glucose?two
20.5%
_____ is the main cation in extracellular fluid.sodium
17%
This element is the main cation in cytoplasm?sodium
16.8%
The genetic code is described as being _____ and universal.degenerate
16%
An acid group (COOH) is part of this organic compound?lipids
14.3%
The three main functions of a lipid is energy storage, thermal insulation and _____?Buoyancy
14%
This element is an essential component of amino acids?potassium
10.2%
Anaerobic respiration occurs in the _____?cell cytoplasm
9.5%
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