Match each body to its best description: black hole
?
a collapsed star that does
not let light escape
white dwarf
?
T
a star that has expanded
and cooled
red giant
?
an old, very dense, hot star
that is cooling
nebula
?
may collapse to form a
star

Here u go

Explanation:

black hole=a collapsed star that does not let light escape

white dwarf=an old, very dense, hot star that is cooling

nebula=may collapse to form a star

red giant=a star that has expanded and cooled

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation: