Simple Proteins and Conjugated Proteins

Q. Differentiate between prosthetic group and co-enzyme .

Q.

What are conjugated proteins and its types?

Q. Define the term co-factor and discuss the type of co-factor and it's significance

Q.

What elements make up proteins?

Q. Which of the following statements is correct with respect to proteins?

1. The structure of a protein corresponds to its function
2. Proteins are homopolymers made up of amino acids
3. All proteins are universally found in all organism
4. Glycoproteins such as albumin help in immune function

Q. Which of the following is not a conjugated protein?

1. Globulins
2. Glycoproteins
3. Lipoproteins
4. Haemoglobin

Q. Choose the incorrect statement with respect to a mature human haemoglobin molecule.

1. It has a quaternary structure
2. Present in the cytoplasm of RBCs
3. Two subunits are of $\alpha$-type while two are of $\beta$-type
4. It is a simple protein

Q.

Which, of the following are coenzymes?

1. NAD

2. NADP

3. FMN

4. All these

Q.

Which of the following has a carbohydrate, as its prosthetic group?

1. Glycoprotein

2. Lipoprotein

3. Chromoprotein

4. Nucleoprotein

Q. What are lipoproteins?

Q.

Proteins are called energy giving food.

1. True
2. False

Q.

Spirulina is a rich source of

1. Protein

2. Vitamins

3. Minerals

4. All of the above

Q. Holoenzyme is _________.

1. Protein moiety of enzyme
2. Nonprotein moiety of enzyme
3. Complete enzyme
4. Inactive enzyme.

Q. Find the odd one out of the following.

1. Keratin
2. Glycoprotein
3. Nucleoprotein
4. Lipoprotein

Q.

Both eggs and _______ are rich in __________ .

Q.

Proteins help in ____________ maintenance and growth.

Q.

How are protein structures determined?

Q.

Which of the following are conjugated proteins?

1. Haemocyanin

2. Haemoglobin

3. All of the these

4. Lecithoproteins

Q. A protein conjugated to a carbohydrate is a ___.

1. Lecithoprotein
2. Glycoprotein
3. Metalloprotein
4. Lipoprotein

Q. How many different proteins consisting of $100$ amino acids can be formed from $20$ different amino acids?

1. ${20}^{100}$
2. ${100}^{20}$
3. $2^{20}$
4. $20\times 100$

Q. An example of conjugated protein is

1. Globulin
2. Haemoglobin/Flavoprotein
3. Albumin
4. Peptone

Q. What is single cell protein? Mention the uses of single cell protein.

Q. Which of the following structure is absent in a mature mammalian RBC?
a. Nucleus b. Endoplasmic reticulum c. Ribosomes d. Mitochondria

1. a and c
2. b and c
3. a, c and d
4. a, b, c and d

Q.

Which of the following are conjugated proteins?

1. Haemoglobin

2. Haemocyanin

3. Lecithoproteins

4. All of the these

Q.

An enzyme made of both protein and non proteinpart is

1. Coenzyme

2. Exoenzyme

3. Holoenzyme

4. Endoenzyme

Q. Combination of apoenzyme and coenzyme produces

1. Prosthetic group
2. Holoenzyme
3. Enzyme-substrate complex
4. Enzyme-product complex.

Q. Red blood cells are produced$/$ erythropoiesis occurs in _____________.

1. Bone marrow
2. Spleen
3. Liver
4. All of the above

Q. Holoenzyme is _________.

1. protein moiety of the enzyme
2. non-protein moiety of the enzyme
3. apoenzyme and coenzyme together.
4. inactive enzyme.

Q. Which of the following metals is associated with hemoglobin?

1. Alluminium
2. Iron
3. Potassium
4. Calcium

Q.

Which cytochrome contains the same heme as hemoglobin?