Transcription is the copying of a ________ (section of DNA).
Fill in the blank with the correct word.
RNA (to make mRNA)
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Animals capable of producing their own body heat by way of metabolism and of retaining it are said to be:
A. metabolic B. thermogenic C. thermodynamic D. endothermic E. All of the choices provided are correct
Treponema pallidum is similar in shape to
A. Escherichia coli. B. Staphylococcus aureus. C. Leptospira interrogans. D. herpes virus.
Following fertilization of animal eggs, ________ are the second messengers that trigger egg activation
Fill in the blank with correct word.
Which of the following statements is incorrect in the context of fossilization?
A. Impressions form detailed imprints of only external structures. B. Extreme pressure transforms the mineralized remains into rock. C. Sediments that slowly accumulate on top of the site exert increasing pressure. D. Minerals dissolved in the water gradually replace minerals in bones. E. Mineral particles settle out of the groundwater and crystallize inside cavities.