0. The two strands of DNA that make up the double helix are held to each other by …     a)  hydrogen bonds between guanine / cytosine, and thymine / adenine.   b)  hydrophobic bonds between adenine and thymine.   c)  hydrophobic bonds between guanine / cytosine, and thymine / adenine.   d)  hydrogen bonds between adenine and cytosine.   e)  3′,5′ phosphodiester bonds involving deoxyribos

All of the following are involved in DNA replication excepta) polysome.    b) gyrase.        c) polymerase.d) primase.       e) primer.

Which of the following make up a core nucleosome structure?   A)  about 147 bp of DNA D)  A tetramer of histone proteins C)  H1 histone E)  Answers A and B are correct B)  an octamer of histone proteins

From which end of a strand of nucleic acid does DNA polymerase I REMOVE nucleotides? A) 5' B) 3' C) 2' D) N-term E) C-term

1.  Two closely related species may have a very similar genome size but very different number of a)nucleosomes B)mitochondrial chromosomes C)nucleoli D)chromosomes 2. What is required for RNA polymerase to be able to dissociate from transcription factors and start transcribing the DNA? A)acetylation of histones B)methylation of the DNA that will be transcribed C)phosphorylation of the RNA polymerase tail D)phosphorylation of transcription factors

Compare the process of Replication, Transcription, and Translation by describing the following properties for each: (circle, highlight, bold or whatever mechanism you want to use to indicate your answer)

The process shown here is a) Splicing b) Replication c) Transcription d) Translation Laten The process shown here is a) Replication b) Splicing c) Translation Adenine (A) Thymine (T) Cytosine (C) Guanine (G) Uracil (U) d) Transcription or ↓

5- ddNTP differs from dNTP in..... and N is representing.. a) The first has no OH in both C 1,2, but dNTP has OH in C3 of the sugar/A, G.T.C. b) The first has no OH in both C 2 & 3, but dNTP has OH in C3 of the sugar/the bases. c) ddNTP is used to stop DNA elongation / nitrogen d) ddNTP has only one OH in C3/A,G,T.,C

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. Which of the following statements best summarizes the differences between DNA and RNA? A) DNA is transcribed using RNA polymerase to form mRNA and mRNA is translated by the Ribosome to form a polypeptide, B) The bases in DNA contain sugars, whereas the bases in RNA do not contain sugar. C) DNA nucleotides contain a different glucose compared to RNA nucleotides. D) DNA is formed using the base uracil, whereas RNA uses the base thymine. E) DNA encodes the sequence of amino acids for the primary structure of a polypeptide whereas mRNA does not