The sequence of eras beginning with the earliest era and processing forward to the most recent era in the geologic time scale is
A. Archean - Mesozoic - Cenozoic.
B. Cenozoic - Archean - Mesozoic.
C. Archean - Paleozoic - Proterozoic.
D. Mesozoic - Cenozoic - Paleozoic.
E. Paleozoic - Mesozoic - Cenozoic.
Answer: E. Paleozoic - Mesozoic - Cenozoic.
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Scientists recently cloned Louis Pasteur and put him back to work in a modern lab. He promptly developed a gel that breaks down proteins. Since he hasn't been around for some time,
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The process of encoding genetic information into a functional part of the cell is called ________
a. translation b. mitosis c. gene expression d. replication e. transcription
Two genes located on the same chromosome are
A. homologous. B. homozygous. C. linked. D. autosomes.
After proton pumps in mitochondria have depleted electrons of their energy during ATP production,
a. the electrons carried as part of hydrogen atoms are used in the formation of water b. the electrons carried as part of hydrogen atoms are used in the formation of ethyl alcohol c. the electrons build up inside the mitochondria and diffuse back to a thylakoid d. none of the above