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WVU Biology 115 Exam 1 Questions and Answers latest

What is the Hershey-Chase experiment? - Answer - It resulted with the idea that DNA, not protein must be the hereditary material. - DNA contained all the information for life's complexity semiconservative replication - Answer two strands separate, make template for new strand conservative replication - Answer remains the same, makes new copy dispersive replication - Answer division of DNA vertically what is the actual way to replicate DNA? - Answer semiconservative DNA runs _________ - A...

Monomers that make up lipids - Answer Glycerol & 3 Fatty Acids Bonds that lipids together - Answer Ester Bonds Monomers that make up carbohydrates - Answer Monosacchrides Bonds that hold monosacchrides together - Answer Glycosidic Bonds Monomers that make up proteins - Answer Amino Acids Bonds that hold amino acids together - Answer Peptide Bonds Monomers that make up nucleic acids - Answer Nucleotide

All cells have... ? - Answer proteins, nucleic acids, carbohydrates, plasma membrane Prokaryote - Answer A unicellular organism that lacks a nucleus and membrane bound organelles Eukaryote - Answer A cell that contains a nucleus and membrane bound organelles Which of these statements describes a major difference between prokaryotic cells and eukaryotic cells? - Answer Eukaryotic cells tend to have much more extensive inner membrane systems and larger numbers of intracellular organelles tha...

Hypothesis structure - Answer if, then, because Control Group - Answer Group you don't change because you know the expected outcome Experimental Group - Answer Group you change to see the outcome Independent Variable - Answer difference between the control and experimental group Dependent Variable - Answer The outcome and what you're recording Element - Answer substance that cannot be broken down further 4 main elements of life - Answer carbon, oxygen, hydrogen, nitrogen

How can one eukaryotic gene lead to one transcript, but multiple different proteins? - Answer Alternative splicing What is the primary transcript of eukaryotic genes? - Answer mRNA What is the attachment site for RNA polymerase? - Answer Promoter region Gene regulation in both prokaryotes and eukaryotes is achieved by controlling which process? - Answer transcription A eukaryotic gene has all of the following except: introns, a promoter, an operator, a terminator - Answer an operator