JMU Bio 140

The negatively charged components of atoms are referred to as Correct Answer: electrons A young girl is staring at the raindrops running down her window. She notices that the raindrops remain more or less intact, even as they cascade down the windowpane. This is a result of Correct Answer: hydrogen bonds between water molecules With 4 distinct nucleotides, how many combinations are possible in a sequence of 6 nucleotides Correct Answer: 4096 Amino acids can be spontaneously generated...

The variable that is manipulated in an experiment is typically called the: a) independent variable b) dependent variable c) control d) causal variable Correct Answer: a This is defined as a proposed explanation for an observation a) experiment b) conclusion c) prediction d) hypothesis Correct Answer: d Type of study that tests a hypothesis but does not manipulate any variables a) quantitative b) non-experimental c) experimental d) descriptive Correct Answer: b You want to...

What occurs to the two strands of the parental duplex during replication? Correct Answer: they separate Is replication conservative, semi-conservative, or dispersive? Correct Answer: semi-conservative What does it mean to be conservative? Correct Answer: the original DNA is kept and an exact replica is made What does it mean for DNA is be dispersive? Correct Answer: parts of the old and new DNA are chopped together What does it mean for DNA to be semi-conservative? Correct Answer...

monosaccharides Correct Answer: bad on position of carbonyl group and number of carbons in backbone Sucrose Correct Answer: glucose+fructose Disaccharides Correct Answer: maltose (grain,sugar), lactose (milk sugar), sucrose (table sugar) Amylose and amylopectin Correct Answer: starch cellulose Correct Answer: glucose monomers are linked in unbranched chain by Beta-1 Alpha-4 glycosidic linkage Chitin Correct Answer: polysaccharides-insects exoskeleton hydrophobic lipids Co...

What are the parts of the process of science? Correct Answer: -exploration and discovery -testing ideas -community analysis and feedback -benefits and outcomes What occurs during exploration and discovery? Correct Answer: -making observations -asking questions -sharing data and ideas -finding inspiration -exploring the literature What occurs in testing ideas? Correct Answer: -gathering data (hypothesis, expected results, and actual results) -Interpreting data (support/opp...

Acetyl-CoA enters into what? Correct Answer: citric acid cycle What do all cells require? Correct Answer: -a way to encode/transmit information -a membrane separating inside from out -energy What does Adenosine Triphosphate (ATP) do? Correct Answer: provides energy in a form that all cells can readily use to perform the work of the cell Where does the molecule ATP contain energy? Correct Answer: in its chemical bonds What part of ATP has high energy potential? Correct Answer: ...