Virus infected cells dying by the process of apoptosis demonstrate which of the following characteristics?
a. Degradation of their chromatin
b. release of chromium
c. failure to express MHC class II molecules
d. Failure to express MHC class I molecules

i can't see the full page, therefore, can't answer it

explanation:

c

explanation:

label a cell membrane

label b cytoplasm

label c ribosomes

label d dna

the membrane forms the outside of the cell

cytoplasm is the liquid within

ribosomes are the components within that distribute rna

the dna is the genetic make-up

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.