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

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

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

Exam on unit 1

Biopolymer and Lipid Knowledge Quiz

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