Which organic molecule functions as a subunit of DNA and RNA?
a. Fatty acids
b. Monosaccharides
c. Nucleotides
d. Amino acids
e. Polypeptides
c
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Metamerism is a characteristic feature of:
A. Annelida B. Arthropoda C. Chordata D. all of the three phyla listed E. none of the three phyla listed
Gregor Mendel was most influential in which field of biology?
A) genetics B) chromatography C) biochemistry D) bacterial transformation E) cytology
A sphere formed by organic molecules surrounded by water molecules is called a
A. coacervate. B. microsphere. C. proteinoid. D. protocell.
Before stem cell research was such a prominent topic in the news, many people were misinformed about embryonic stem cell research. Many people thought that this form of stem cell research could be completed only by collecting stem cells from electively
aborted fetuses. Explain specifically where embryonic stem cells come from when used for research and why these cells would not typically be found in aborted fetuses. What will be an ideal response?