Wvu biology 115 exam - Study guides, Class notes & Summaries

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

Meiosis - ANSWER-DNA replication prior to cell division Sister Chromatids - ANSWER-are two copies of the same DNA(have the exact same sequence) Helicase - ANSWER-Breaks H-bonds to open the replication bubble Topoisomerase - ANSWER-Breaks a single covalent bond ahead of the replication bubble Single-stranded DNA binding proteins - ANSWER-Prevents the re-annealing of a single stranded DNA DNA Polymerase III - ANSWER-recognized double stranded DNA/RNA hybrid and synthesized DNA from ...