Who played the most influential role in discovering protists?
a. Rudolf Virchow
b. Anton van Leeuwenhoek
c. Theodor Schwann
d. Matthias Schleiden
Answer: b. Anton van Leeuwenhoek
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The region of the human brain is that is critically important for monitoring and controlling movements is the
A. medulla oblongata. B. cerebellum. C. hypothalamus. D. basal nuclei. E. cerebral cortex.
These are sometimes referred to as rough or smooth depending on the structure
a. Golgi bodies b. ribosomes c. mitochondria d. lysosomes e. endoplasmic reticula
Classification.The following are chemical functional groups that may be part of a biologically active molecule. Answer the questions by matching the items with the most appropriate group.
A. Fatty acid "head" B. The group that is acidic C. The group on the carboxyl-terminal end of proteins D. The group that makes lipid head's hydrophilic E. The methyl group F. The amine group G. The group on the amino-terminal end of proteins H. Found in alcohols and sugars I. The group typical of energy carriers such as ATP J. The aldehyde group in simple sugars
What process copies a gene into RNA form?
A. Ribosomal RNA B. Transcription C. Promoter D. Translation E. Messenger RNA