BIOMOLECULES AND ENZYMES

BIOLOGY

PROTEINS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How do cells recognize the ‘delivery address’ in a protein?
A
Position of the signal sequence and sequence of certain amino acids
B
The type of protein
C
Length of the amino acid
D
The side chains
Explanation: 

Detailed explanation-1: -A protein often contains short amino acid sequences that determine its location in a cell. Most nuclear proteins, for example, contain one or more specific short sequences of amino acids that serve as signals for their import into the nucleus after their synthesis in the cytosol (discussed in Chapter 12).

Detailed explanation-2: -The sequence of amino acids in a protein and protein function are determined by the genetic code. The basic building blocks of proteins. The sequence of amino acids in a protein and protein function are determined by the genetic code.

Detailed explanation-3: -The matching of codons to amino acids is done via transfer RNA molecules, each of which carries a specific amino acid to the ribosome and lines it up with the matching codon on the messenger RNA.

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