Which kingdom is correctly described?
A. Protists: unicellular and heterotrophic only
B. Plants: multicellular and photosynthetic
C. Animals: multicellular and saprotrophic
D. Fungi: unicellular and photosynthetic
Answer: B
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Genes that regulate development of specific body parts are called ________ genes
a. induction b. somite c. homeotic d. morphogen
Scientists use genome-wide association studies to research which of the following?
a. viral diseases b. single-gene inherited diseases c. diseases caused by multiple genes d. diseases caused by environmental factors
The Na+/K+-ATPase pump is a ligand-gated ion channel.
Answer the following statement true (T) or false (F)
Which of the following is mismatched?
A) CO2 + 4H2 ? CH4 + 2H2O — Methane-producing bacteria B) 2 NO2- + O2? 2 NO3 — Nitrobacter C) 6CO2 + 6H2O ? C6H12O6 + 6O2 — Clostridium D) N2 + 6H+ ? 2NH3 — Beijerinckia E) SO42- + 10H+ ? H2S + 4H2O — Desulfovibrio