It is now thought that the last common ancestor of the three domains was not a single lineage. Rather, it was ________
Fill in the blank(s) with correct word
a community of organisms/species that readily exchanged genes with each other
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Which of the following is true about the synthesis of macromolecules from monomeric subunits?
A. It saves energy B. It saves biosynthetic raw materials C. It saves genetic storage capacity D. All of the choices are correct.
Proteins that do not align with known amino acid sequences fall into two classes: (1) ________ proteins are encoded by genes that have matches in the database but no function has yet been assigned to any of the sequences; (2) Proteins of ________ function are the products of genes unique to that organism.
What will be an ideal response?
Continued stimulation of a receptor may lead to a diminished response and is called __________. Fill in the blank(s) with the appropriate word(s)
The plasma membrane is composed of _____
proteins phospholipids cholesterol all of the above