Which statement best describes a capsid?
a. a capsid defines the shape of the virus.
b. a capsid is the outside coat of the virus.
c. a capsid is a protein coat that protects the genetic material of the virus.
d. a capsid is either helical, icosahedral, or complex.

Galaxy whose shape seems different follow no set pattern are classified as

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils