Aproteins is a sequence of amino acids, which is coded for by sequences of dna. what specific part of a dna sequence codes for the amino acid sequence?

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

How can you approximate the number of calories required to keep you in energy balance?

The intervention of extraterrestrials has been used to explain the bermuda triangle, a region of the atlantic ocean where ships and planes are frequently lost, leaving no evidence behind. how would this explanation best be characterized?