4. Which of the following statements is true? a. There are a total of 46 amino acids essential to the human body
b. The sequence/order of amino acids determine the function of proteins
Proteins are bonded by strong covalent bonds
c. proteins are bonded by strong covalent bonds. d. Nucleotides are the mongmers nf nolynentides

Which pedigree symbol is used to represent a female carrier of a recessive x-linked trait? поө0 || save and exit submit

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards.the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.