mrna contains three base units of rna that are called each of which code for one amino acid.

a) anticodons
b) trna
c)ribosomes
d)codons

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

Consider the equation s + o2 ? so2. what is the product? question 3 options: s so 2 s + so 2 o 2

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?