Which of the following correctly describes quaternary level of structure in proteins?
A) It is when all the amino acids have joined together with peptide bonds.
B) It is when the hydrogen bonds have interacted with one another to form shapes such as alpha-helices and beta- pleated sheets
C) It is when functional groups have been added to a protein
in the Golgi apparatus
D) It is when several folded proteins interact with one another to form a protein complex
E) It is when side groups on the amino acids have interacted to
fold the protein into a specific three dimensional shape

Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. threat method number of species that benefit number of years to see benefit habitat fragmentation reforestation 450 8 introduced prey species biological augmentation 150 2 which statement is an accurate explanation of the information in the table? a. biological augmentation would benefit only a few species because it is typically not very effective. b. biological augmentation would take less time to be effective because it targets the majority of prey species. c. reforestation would take the longest time to be effective because trees take several years to grow. d. reforestation would not benefit many species because most forest species live on the ground.

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.