Cosmic microwave background radiation is the term used for the microwave
radiation observed everywhere in the universe. The existence of this radiation is
used as evidence to support the Big Bang Theory because, in our current
understanding, this radiation is -
energy left over from the rapid expansion of matter.
the result of high speed collisions of atoms.
an indication that the universe is getting hotter.
proof that the size of the universe is decreasing,

Choose the molecule that is described by each phrase. energy used during long activities:

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

Asap indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. alleles: a=agouti, c=chinchilla, a=albino, a is dominant over c and a, c is dominant over a agouti x chinchilla a) 1/2 chinchilla, 1/2 agouti b) 3/4 chinchilla, 1/4 agouti c) all agouti