Exam on unit 1

An educational scene depicting biopolymers, lipids, and enzymes with molecules, diagrams, and a quiz motif in a vibrant classroom setting.

Biopolymer and Lipid Knowledge Quiz

Test your understanding of fundamental concepts in biochemistry with our engaging quiz on biopolymers, lipids, and enzymes. Challenge yourself to answer questions that cover various aspects of these essential biological molecules.

  • Assess your knowledge on amino acids, fatty acids, and sugars.
  • Explore the relationship between structure and function in biological macromolecules.
  • Understand the implications of diet and lifestyle on health.
30 Questions8 MinutesCreated by ExaminingScience42
Biopolymers are made up of.............
Amino acids
Fatty acids
Monomers
Conjugated proteins
Two molecules of monosaccharides are called
Dissaccharides
Polysaccharides
Glycogen
Maltose
Oils are always..........at ordinary temperature
Gas
Semisolid
Solid
Liquid
An example of lipid derivatives:
Cholesterol
Testosterone
Progesterone
All of the above
Amino acid basic structure contains:
Iodine
Phosphorus
Iron
None of the above
All of the following are structural biopolymers except:
Cellulose
Starch
Phospholipids
Albumin
Amino acid is to protein as Uracil is to
DNA
RNA
Cell organelle
Thymine
Sugar which is found in RNA is:(choose the most accurate answer)
Ribose sugar
Pentose sugar
Deoxy ribose sugar
Ribose pentose sugar
The living organisms get their energy through:
Anabolism
Catabolism
morphism
Amphoterism
Enzymes are decomposed at ..... Degree celcisus
0
20
40
100
Oxidation reaction is a ........ reaction
Polymerization
Anabolic
Catabolic
Dehydration
Nehal experienced severe drowsiness , thirst , hunger and poly urination .She went to the doctor who carried out a random glucose test, the result was 364mg/dl... The doctor adviced her
To stop eating grapes
To eat fruits in small amounts
To eat vegetables instead of fruits
To eat grapes in small amounts
Ahmed went to the laboratory to carry out a test for detection of monosaccharides , he added 2ml of sucrose solution and 2 ml of a reagent named benedict reagent .. The following happened:
Benedict reagent turned orange
Bendict reagent was still blue
Ahmed went to his teacher as Benedict reagent colour did not change , the teacher told him that he made a mistake which is:
He used sucrose solution
He did not put the tube in the water bath
Both answers are correct
Nothing is correct
Oils are most abandunt in:
Animals
Birds
Plants
Waxes
Adel is a 67 old male who suffers from hypertension and diabetes mellitus .. He had bad lifestyle habbits which are:
Consuming unsaturated fatty acids
Smoking and sedative lifestyle
Consuming lipids which are formed by the reaction of unsaturated fatty acids with glycerol
Drinking skimmed milk
Oils and fats differ in:
Type of alcohol
Type of fatty acids
Number of fatty acids
All of the above is correct
Samy went to the gym , his gym coach asked him to:
Eat food rich in carbohydrates preworkout
Eating Cottage cheese which is rich in casein before sleeping
Eat a simple diet rich in proteins and carbohydrates post workout
All of the above is correct
Doctors always advice males to lose fat and build muscles because:
Fats are a secondary source of energy
Fats accumulation may induce female hormones increase
Fats are beneficial as an insulating layer
None of the above is correct
Mark went to the laboratory to carry out a test to detect lipids , he added 2ml of seasame oil , 2ml of an ezyme that digests lipids and 2ml of a reagent named Biuret reagent .... The following happened:
The solution turned red
The solution turned orange
The solution was red except an upper orange ring appeared
The solution turned violet
The teacher asked Mark to carryout the experiment again without adding the enzyme ... The following happened:
A red ring appeared at the top of test tube
The total solution turned red
The solution was still orange
None of the above
Mina went to the supermaket to buy meat , he went to his house an boiled it for 1 hour then he turned off the heat , after 1 hour he noticed the forming of wax like structues at the top , this was because:
The meat contains fats
Fats are water insoluble
The difference in density between fat and water
All of the above
The molecule whose chemical formula is C27 H45 OH could be
Casein
Albumin
Cholesterol
Starch
The number of water molecules resulted from the polymerization of 54 amino acids is
52
51
25
Nothing is correct
Proteins digest proteins
True
False
During a study carried out on the consumption of energy in the cell during a chemical reaction , they found that it consumed a large amounts of ATPs , all of the following is correct except:
An inhibitor counteracted the enzyme function
ATP is a source of energy in the cell
Enzyme concentration was high
The enzyme was decomposed
Enzyme A works with 2 reactions types , Enzyme B works with 3 reactions type
Enzyme A is not specific
Enzyme A is more specific than enzyme B
Enzyme B is not specific
None is correct
DNA and RNA vaccines use fragments of genetic material made in the lab .These fragments code for a part of the virus , after the vaccine is injected body uses the instructions in the DNA/RNA to make copies of this virus part or antigen ... Your body recognises and mounts an immune response ready to protect you the next time you encounter the virus....All of the following is correct except:
These vaccines can be designed based on genetic sequencing only
The fragments will not cause a deadly infection
There is a probability that DNA can integrate into your genome
They are very safe because they will not affect our DNA genetic codes that God created
Monosaccharide is to carbohydrates as fatty acid is to
Lipids
Carbohydrates
Proteins
Nucleic acids
Enzymes are completely dead at zero degree celsius
True
False
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