Approximately what percentage of the species that have ever existed on Earth are represented by the estimated 10 million species that exist today?
A) 80%
B) 10%
C) 1%
D) 0.0001%
C
Biology & Microbiology
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What is the key concept addressed by the question?
What will be an ideal response?
Biology & Microbiology
The function of a repressor protein is to ________
a. begin translation b. begin transcription c. prevent translation d. prevent transcription
Biology & Microbiology
Cells that are not dividing remain in the
A.) Mitosis Phase B.) Synthesis Phase C.) First Gap Phase D.) Second Gap Phase
Biology & Microbiology
A polar molecule moves across a membrane from a region of high concentration to a region of low concentration by a process called
A. simple diffusion. B. facilitated diffusion. C. active transport. D. phagocytosis.
Biology & Microbiology