Protostomes include ________.
Fill in the blank(s) with the appropriate word(s).
Ans: All bilaterally symmetric animals except echinoderms and chordates.
You might also like to view...
The primary structure of a protein
A) is important for determining the secondary and tertiary structure of a protein. B) is simply the order of amino acids from one end of the protein to another. C) is important both genetically and structurally. D) is the linear sequence of amino acids that are linked together by peptide bonds. E) all of the above
Which carbohydrate is an important source of energy in most living species?
a. Glucose b. Lactose c. Fructose d. Dextrose
Matthias Schleiden was a German botanist (plant scientist) and co-founder of cell theory, along with the physiologist Theodor Schwann. Schleiden determined that all the tissues of all the plants he studied were composed of cells, and Schwann discovered the same was true of all the animal tissues he studied. Together they concluded which of the following statements was true?
A. That plants, but not animals, are composed entirely of cells. B. That animals, but not plants, are composed entirely of cells. C. That some plants and animals are composed of cells. D. That all plants and animals are composed of cells.
Many people hope that they will one day be able to travel into space for extended periods of time. What are the health risks to the bones and muscles of those people interested in such "space vacations"?
What will be an ideal response?