The metal atom bound to the heme group of hemoglobin is
A. iron.
B. copper.
C. manganese.
D. zinc.
E. sodium.
A. iron.
Biology & Microbiology
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What are the main causes of biodiversity loss?
A. Invasive species, pollution, and climate change B. Habitat destruction, overharvesting, and invasive species C. Habitat destruction, overharvesting, invasive species, pollution, and climate change D. Habitat destruction, invasive species, and climate change
Biology & Microbiology
Which of the following types of RNA is typically found as a strand that is about 75 to 90 bases long and folds into a structure with four double-helical segments?
a. tRNA b. snRNA c. pre-mRNA d. rRNA
Biology & Microbiology
The chief distinguishing characteristic of all mammals is the presence of
What will be an ideal response?
Biology & Microbiology
atomic number
What will be an ideal response?
Biology & Microbiology