(Cells) Test questions and answers.
What 3 main parts does a cell consist of? - n
ANS ✔✔
nucleus, cytoplasm, and cell membrane
Qs
What houses the genetic material? - n
ANS ✔✔
the nucleus
Qs
What contains the organelles? - n
ANS ✔✔
the cytoplasm
Qs
What forms the outer boundary of the cell? - n
ANS ✔✔
plasma (cell) membrane
Qs
The cell membrane is ____________________ and is ____________________
permeable. - n
ANS ✔✔
- thin
- selectively
Qs
,What regulates the movement of substances in and out of the cell, participates in signal
transduction, and helps cells adhere to other cells? - n
ANS ✔✔
plasma (cell) membrane
Qs
What does the basic framework of the cell membrane consist of? - n
ANS ✔✔
- double layer of phospholipids
- fatty acid tails (making up the interior of the membrane)
Qs
Many types of __________________ are found in the cell membrane - n
ANS ✔✔
proteins (some of which are transmembrane and others that are peripheral)
Qs
What are some of the functions of the proteins found in the cell membrane? - n
ANS ✔✔
- can function as receptors - for passage of materials across the membrane - for cellular
adhesion - for cell identification - etc.
Qs
What is the clear liquid found in the cytoplasm called? - n
ANS ✔✔
cytosol
Qs
What is the supportive framework in the cytoplasm called? - n
ANS ✔✔
cytoskeleton
, Qs
What does the cytoplasm consist of? - n
ANS ✔✔
Cytosol, cytoskeleton, and networks of membranes and organelles
Qs
What is the endoplasmic reticulum made up of? - n
ANS ✔✔
membranes
Qs
What does the endoplasmic reticulum provide? - n
ANS ✔✔
a tubular transport system inside the cell
Qs
Why does the rough ER appear rough? - n
ANS ✔✔
b/c of attached ribosomes
Qs
What does rough ER synthesize and transport for the cell? - n
ANS ✔✔
proteins
Qs
Why does smooth ER appear smooth? - n
ANS ✔✔
b/c it has no attached ribosomes