The codons that signal the end of the polypeptide chain are called

A. promoters

B. introns

C. exons

D. Terminators

Genes encode the proteins and tRNAs that are needed to read the genetic code. These tRNAs are specific for an amino acid and find the correct codon in the mRNA using an anticodon that is complementary to that codon.

In their work on collision, Trautz and Lewis explained how chemical reactions occur and why they have different reaction rates. This work is an example of a theory because it is a well-tested, widely accepted explanation about the natural world.

Specifically where in a cell are pyrenoids located

What phyllum, order, family genus and species are humans?

What must be true about the bond energies of the reactants and the products of 6O2 + C6H12O6 - - > 6CO + 6H2O

Which of the following needs a host to reproduce? 1) all of the above 2) eukaryotic cell 3) none of the above 4) prokaryotic cell 5) virus

Suppose that two ancient types of plants, one that grows in the winter and one that grows in the summer, appear together in the fossil record for two periods in the geologic time scale.

Did alexander graham bell what to college

How are traits inherited by offspring?

In homeotic mutants: Group of answer choices one body structure is missing. one body structure has been changed into another. one body structure has been duplicated. one body structure has significantly increased in size. the organism is infertile.