Answer: substitution mutation
Because T substituted A
The right Answer is <u>NITROGEN </u>
Nitrogen is quantitatively the most important nutrient that plants acquire from the soil. It is well established that plant roots take up nitrogen compounds of low molecular mass, including ammonium, nitrate, and amino acids. ... Intact protein also was taken up into root cells most likely via endocytosis.
Thus I prove that my answer is true.
20. d
21. a
22. c
23. b
24. c
25. b
26. d
27. a
Explanation:
<h2>Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities</h2>
Answer:Skeletal, cardiac and smooth
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