Many scientists think that _______________ was the first information molecule to evolve. (a) DNA (b) RNA (c) a protein (d) an amino acid (e) a lipid
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Many scientists think that _______________ was the first information molecule to evolve. (a) DNA (b) RNA (c) a protein (d) an amino acid (e) a lipid
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- The finding that all organisms share the same genetic code provides evidence that all descended from a(n)______________. Further evidence is provided by the fact that all cells use roughly the same set of to build proteins, and all cells use the molecule__________as an energy carrier._______and_______ shows only external features of organisms.if Astronomers were to find a living creature some place other than Earth, how could DNA analysis help them better understand the organism?
- Discuss the hypothesis of Alexander Oparin and John B.S. Haldane about how living matter came to be.DNA (a) is produced during cellular respiration (b) functions mainly to transmit information from one species to another (c) cannot be changed (d) is a good example of a biological system (e) makes up the genesThe smallest unit of biological structure that meets the functional requirements of “living” is the ______. a. organ b. organelle c. cell d. macromolecule
- A graduate student, Dolt Colt, at The Best Western University synthesized a drug called Drug X and noted that it lowered blood cholesterol levels in mice. He tried to see if it works in humans. Is it: Replicability Reproducibility Generalizability Translatability Transparency RigorA(n) _____________ describes and predicts natural phenomenon without providing an explanation. a) Theoryb) Scientific Lawc) Observationd) HypothesisWhich of the following is NOT characteristic of all living things? A) Acquires nutrients and energy B) Reacts to environment C) Undergoes evolution D Breathes oxygen