Section 2.1 Ribosomes and Endoplasmic Reticulum

Fill-in-the-blank practice flashcards covering cellular genome, ribosome structure and function, cytoplasm, and endoplasmic reticulum based on lecture notes.

The genome is the __________ or RNA of an organism.

DNA

All living cells have some form of __________ and ribosomes.

genome

Ribosomes synthesize protein by __________ sequence.

mRNA

mRNA originates from the __________ of a cell.

genome

Ribosomes are made of rRNA (ribosomal RNA) and __________.

proteins

Ribosomes are not membrane-enclosed and are made of __________ subunits.

2

Normally, ribosomes float in the __________.

cytoplasm

In the diagram of a ribosome, the structure labeled at the top consisting of a chain of circles is the __________.

Polypeptide chain

Endoplasmic Reticulum is a network of __________.

tubes

Rough ER has __________ attached to its membrane.

Ribosomes

Smooth ER does not have ribosomes attached, and functions in detoxification and __________.

lipid synthesis