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  1. >>Class 11
  2. >>Biology
  3. >>Biomolecules
Common Misconceptions
3 min read

Biomolecules

- Clear the fog of misconceptions and get a clarity of concepts.
1
All Enzymes are Proteins but all Proteins are not Enzymes!
Ever heard this famous phrase while studying enzymes - All enzymes are proteins but all proteins are not enzymes. To understand this first let us define proteins and enzymes. Proteins are biochemical macromolecules that are made up of chains of amino acids. Proteins can be of different types like structural proteins, fibrous proteins, membrane proteins, transport proteins, enzyme proteins, contractile proteins, antibodies etc.
So what are enzymes? Enzymes are biomolecule which can alter the rate of biochemical reaction usually as a catalyst. All the enzymes are proteinaceous. Hence, this means that all proteins are not enzymes but all enzymes are proteins.
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Assertion
All enzymes are proteins but all proteins are not enzymes.
Reason
Enzymes are biocatalysts and have stable configuration having an active site.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C
Assertion is correct but Reason is incorrect
D
Assertion is incorrect but Reason is correct
2
Is Water a Biomolecule?
A biomolecule is a compound that occurs naturally in living organisms. Biomolecules consist primarily of carbon and hydrogen, along with nitrogen, oxygen, phosphorus and sulphur. All known forms of life are comprised solely of biomolecules. The four major categories of biomolecules are carbohydrates, lipids, proteins and nucleic acids. On looking at the four categories of biomolecules, it is clear that the primary constituents of biomolecule.
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Water is not considered as biomolecules because
A
Water has inorganic materials
B
Water has organic materials
C
Biomolecules includes the molecules that contain carbon in living tissues
D
Water do not contain DNA and RNA
3
Are Fats Good for Health?
When it comes to diet, fats get a bad reputation. This might be because certain types of fat and fat-like substance like cholesterol may play a role in cardiovascular disease, diabetes, cancer and obesity. But not all fats are created equal. Some fats are better for us than others and may even help to promote good health. Fat is essential to our diet in fueling our body with energy. Certain bodily functions also depend on the presence of fat. For example, fats help in the absorption of vitamins A, D, E, and K. Some fats have been healthy and shown to reduce the risk for heart disease and high cholesterol. Watch the video to find out more about good fats.
Why Eating Fat Won't Make You Gain Weight
5 mins
Which of the following lipid is essential part of good diet?
A
Oleic acid
B
Linoleic acid
C
Stearic acid
D
Palmitic acid