Ashworth Biology Quiz one questions and answers graded A+

Which properties of life are possessed by viruses and green turtles? A) a clear orderly arrangement and ability to reproduce. B) being made of cells and able to process energy C) being able to reproduce and able to process energy. D) being made of cells and having an orderly structure. - Answer-A) a clear orderly arrangement and ability to reproduce. How do hypotheses differ from theories? A) Theories are more comprehensive than hypotheses. B) Theories must be testable; hypotheses do not need to be testable. C) Hypotheses are not educated guesses, and theories are tentative explanations. - Answer-A) Theories are more comprehensive than hypotheses. Which function is NOT a property of life? A) Populations of organisms rarely change over time. B) Living things exhibit complex but ordered organization. C) Organisms take in energy and use it to perform all of life's activities. D) Organisms reproduce their own kind. - Answer- ________ is an example of an element. A) Water B) Nitrogen C) GlucoseD) Salt - Answer-B) Nitrogen The way Earth moves about the sun is most like ________. A) a neutron and electron moving around a proton B) an electron moving around the nucleus of an atom C) a proton moving about an electron D) a neutron moving about a proton - Answer-B) an electron moving around the nucleus of an atom Sugar dissolves when stirred into coffee. The coffee is the ________, the sugar is the ________, and the sweetened coffee is the ________. A) solution; solvent; solute B) solute; solvent; solution C) solvent; solute; solution D) solution; solute; solvent - AnswerWhich substance is hydrophilic? A) cellulose B) testosterone C) butter D) cholesterol - Answer-A) cellulose Sometimes when I have my morning coffee, which I drink black with no cream or sugar, I notice a thin film floating on top of the coffee. Since I have just read Chapter 3 of the text, I now realize the nature of this substance, and so I run to my friend screaming, "Look at this ________ in my coffee!" A) hydrophilic substance B) hydrophobic substanceC) disaccharide D) polysaccharide - Answer-B) hydrophobic substance If one strand of a DNA double helix has the sequence GACGTCA, what will be the sequence of the other strand? A) GACGTCA B) ACTGCAG C) TGACGTC D) CTGCAGT - Answer-D) CTGCAGT