In cells, RNAs that can act like enzymes are called __________.
A. microRNAs
B. peroxisomes
C. ribozymes
D. lysosomes
C. ribozymes
Biology & Microbiology
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Oxygen-containing ions are used by some bacteria in their electron transport system.
Answer the following statement true (T) or false (F)
Biology & Microbiology
Which of the following syndromes is
characterized by a karyotype with 45 chromosomes? a. Turner b. Down c. androgen insensitivity d. Klinefelter e. cri-du-chat
Biology & Microbiology
Shade-grown coffee in mixed polycultures is a good example of _________________.
A. terracing B. a genetically modified crop C. agroforestry D. biomimicry E. Both C and D are correct.
Biology & Microbiology
Character traits are used to distinguish one group from another and must be
A. structural features. B. chromosomal. C. molecular features. D. They may include any of these choices.
Biology & Microbiology