Protein Synthesis

Q.

_______are the building blocks of proteins.

1. Fatty acids

2. Nucleotides

3. Monosachharides

4. Amino acids

Q.

Which process creates proteins from mRNA?

Q. The pigment melanin responsible for imparting colour to the skin is a:

1. carbohydrate
2. protein
3. enzyme
4. lipid

Q.

The fundamental building block of protein is

1. Nitrogen

2. NH₂ group

3. COOH group

4. Amino acid

Q.

What actually is a protein?

Q. Which of the following summarises the cental dogma of molecular biology in humans?

1. DNA transcribed to proteins and proteins translated into RNA.
2. RNA transcribed to DNA and DNA translated into proteins.
3. DNA transcribed to RNA and RNA translated into proteins.
4. Protein transcribed to DNA and translated into RNA

Q. Only template strand of DNA participates in the transcription process. What will happen if both the strands transcribes simultaneously? Explain the transcription process.

Q. In a eukaryotic cell, tanscription occurs in the , and translation occurs in the .

1. nucleus
2. mitochondria
3. chloroplast
4. cytoplasm

Q. Regarding the assertion and reason, select the correct option.
Assertion [A]: Proteins are very important biomolecules in a living organism.
Reason [R]: Proteins make up the enzymes responsible for almost all the chemical reactions in an organism.

1. Both A and R are true and R explains A
2. Both A and R are true, but R does not explain A
3. A is true and R is false
4. Both A and R are false

Q.

Which of the following processes take place outside the nucleus?

1. Protein synthesis

2. Replication

3. Transcription

4. None of the above

Q.

which is the codon that codes for same amino acids in all the species?