Cell Structure and Compartments
An organism's first line of defense against attack by an invader such as a virus or bacterium is usually

a specific immune response
its body wall
to flee or hide
a nonspecific immune response

ANSWER DOWNLOAD EXAMIANS APP

Cell Structure and Compartments
According to the fluid mosaic model of cell membranes,

basic membrane structure results from how the proteins interact with water
the membrane is a highly mobile mixture of phospholipids and proteins
the most common type of molecules in the membrane are proteins
the unique properties of cell types are determined by their phospholipids

ANSWER DOWNLOAD EXAMIANS APP

Cell Structure and Compartments
Eukaryotic cells are more efficient than prokaryotes because their internal compartmentalization

allows for specialization through the subdivision of particular tasks
reduces overall cell size
allows for specialization through merging of different tasks
makes each compartment nutritionally independent of all others

ANSWER DOWNLOAD EXAMIANS APP

Cell Structure and Compartments
The highly folded membranes found in such eukaryotic organelles as mitochondria and chloroplasts

assist with cell movement
increase the surface area where key chemical processes can occur
help the cell against physical damage
make it possible to package large amounts of DNA within the cell

ANSWER DOWNLOAD EXAMIANS APP