MBIO 3401 TTU Exam 1 Questions &
Answers (Grade A+)
Microbial Nutrition - macronutrients -
correct answer ✅C, O, H, N, P, S
Microbial Nutrition - Cations for proteins -
correct answer ✅Mg2+, Ca2+, Fe2+, K+
Microbial Nutrition - micronutrients -
correct answer ✅Co, Cu, Mn, Zn
autotroph -
correct answer ✅fix carbon dioxide and assemble into organic
molecules (mainly sugars). (e.g. photoautotrophs,
chemolithoautotrophs/lithotrophs)
heterotroph -
correct answer ✅organisms that cannot make their own food and
must feed on other organisms for energy and nutrients
phototrophs -
correct answer ✅get energy from light
Answers (Grade A+)
Microbial Nutrition - macronutrients -
correct answer ✅C, O, H, N, P, S
Microbial Nutrition - Cations for proteins -
correct answer ✅Mg2+, Ca2+, Fe2+, K+
Microbial Nutrition - micronutrients -
correct answer ✅Co, Cu, Mn, Zn
autotroph -
correct answer ✅fix carbon dioxide and assemble into organic
molecules (mainly sugars). (e.g. photoautotrophs,
chemolithoautotrophs/lithotrophs)
heterotroph -
correct answer ✅organisms that cannot make their own food and
must feed on other organisms for energy and nutrients
phototrophs -
correct answer ✅get energy from light
