A. Metals
Metals do not have a basis of carbon
Because nitrogen is a key component plants use to make chlorophyll and the key component in amino acids which make protein
Answer:
Protein
EXPLANATION:
All of these substances are produced from protein metabolism.
Answer:
All—yeast, euglena, and paramecium—exhibit heterotrophic mode of nutrition.
Explanation:
Yeast needs to feed on subtrates (or substances) like sugars, euglena can make its food like plants do and also feeds on other food sources, while paramecium feeds on bacteria often.
