cells and transport t Flashcards
(7 cards)
1
Q
what is the dna called in a dividing cell
A
chromosomes
2
Q
when are chromosomes parent and what is it
A
dna in a dividing cell
3
Q
what do ribosomes do
A
- involved in protein synthesis
-join amino acids together
4
Q
why are viruses non living
A
-they lack cell structure
-no nucleus
-doesnt work outside a host cell
5
Q
what gives the phospholipid bilayer permeablitlity
A
the random arrangement of proteins and phospholipid
6
Q
what molecules does the plasma membrane let through
A
lipid soluble
non polar
small
7
Q
A