NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

CELL STRUCTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A cell organelle consisting of RNA and protein found throughout the cytoplasm in a cell; the site of protein synthesis.
A
golgi apparatus
B
ribosome
C
mitochondrion
D
endoplasmic reticulum
Explanation: 

Detailed explanation-1: -Definition. A ribosome is an intercellular structure made of both RNA and protein, and it is the site of protein synthesis in the cell. The ribosome reads the messenger RNA (mRNA) sequence and translates that genetic code into a specified string of amino acids, which grow into long chains that fold to form proteins.

Detailed explanation-2: -A ribosome is made out of RNA and proteins, and each ribosome consists of two separate RNA-protein complexes, known as the small and large subunits.

Detailed explanation-3: -Answer and Explanation: The two organelles that produce proteins are the endoplasmic reticulum and ribosomes. The endoplasmic reticulum is located throughout the cytoplasm of the cell.

Detailed explanation-4: -Ribosomes. Ribosomes are the protein factories of the cell. Composed of two subunits, they can be found floating freely in the cell’s cytoplasm or embedded within the endoplasmic reticulum.

Detailed explanation-5: -Ribosomes, large complexes of protein and ribonucleic acid (RNA), are the cellular organelles responsible for protein synthesis. They receive their “orders” for protein synthesis from the nucleus where the DNA is transcribed into messenger RNA (mRNA).

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