Channels in membranes are best described as:
A. open spaces
B. closed spaces
C. protein plugs
D. molecule catchers
E. pores for air exchange
A. open spaces
Biology & Microbiology
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Name the two strategic methods that scientists are using to sequence genomes
What will be an ideal response?
Biology & Microbiology
For a plant, carbon and nitrogen are ________.
A) macronutrients
B) micronutrients
C) minerals
D) compost
Biology & Microbiology
What happens when cells cannot repair the damage caused by a mutagen?
a. the organism is not affected b. the organism is affected temporarily c. the DNA base sequence is not affected d. the DNA base sequence changes permanently
Biology & Microbiology
Reduction of nitrogen-oxygen ions and compounds by some bacteria is called
A. aerobic respiration. B. denitrification. C. deamination. D. nitrification. E. fermentation.
Biology & Microbiology