Chapter 1 Definitions Flashcards
1
Q
active transport
A
net movement of dissolved substances across a cell membrane by an energy-requiring process that moves substances against a concentration gradient from a region of lower to higher concentration
2
Q
alpha helix
A
a type of secondary structure in proteins that appears as a tight twist
3
Q
alternative splicing
A
production of different mRNA molecules from one kind of pre-mRNA through joining various combinations of exons from the pre-mRNA
