U6 CP DNA to RNA to Proteins

Match the following

• mRNA made from DNA template

• DNA

• genetic code, double strand of nucleotides

• Translation

• protein synthesis code, single stran of nucleotides

• Replication

• DNA copied before cell division

• RNA

• mRNA, tRNA, ribosome make protein

• Transcription

Match the following

• unwinds the two DNA strands

• Primase

• attaches complementary nucleotides to DNA strands

• Topoisomerase

• prevent

  separated DNA strands from rejoining

• Single Strand Binding Proteins

• makes primer sequence for DNA polymerase to start unwinding DNA

• DNA polymerase

• relieves torque in unwinding DNA

• Helicase

Match the following

• Okazaki fragments

• works in 5' to 3' direction replicating DNA

• leading DNA strand

• replicated in sections in 3' to 5' direction

• DNA polymerase

• joins DNA strands

• ligase

• sections of lagging DNA strand

• lagging DNA strand

• continuously replicated in 5' to 3' direction

1st:​ ​ ​ (a)   2nd:​ ​ (b)   3rd:​ (c)   ​ 4th ​​ (d)   5th​ (e)  

• helicase unwinds the helix
• SSB proteins prevent joining
• Primase makes primer/starting point
• Polymerase assembles new DNA strand
• ligase seals segments

​ (a)   are made of ​ (b)   tightly wrapped around proteins called ​ (c)   forming a nucleosome. Chromosomes are only visible during ​ (d)   and are decondensed inside the ​ (e)   for most of the cell cycle.

• Chromosomes
• DNA
• histones
• cell replication
• nucleus

Match the following

• brings amino acid to mRNA

• tRNA

• carries code from DNA in nucleus to ribosome

• rRNA

• mRNA code builds protein

• mRNA

• DNA to mRNA

• RNA Translation

• part of ribosomal structure

• RNA Transcription

Match the following

• DNA location where RNA polymerase starts transcription

• non-template

• sequence of transcription & translation

• Initiation

  Elongation

  Termination

• 3' to 5' strand that is transcribed

• template

• mRNA processing before leaves nucleus

• promoter

• 5' to 3' strand, not transcribed

• introns removed and exons spliced together

DNA is replicated semi-conservatively so a new strand pairs with each original strand. Which nucleotide base pairs with which? (DNA to DNA)

• A

• Adenine

• Cytosine

• G

• Thymine

• T

• C

• Guanine

mRNA is a single strand of nucleotides paired with the DNA template strand. Which mRNA base pairs with which DNA base?

• RNA

  Guanine

• DNA

  Adenine

• RNA

  Cytosine

• DNA

  Thymine

• RNA

  Uracil

• DNA

  Cytosine

• RNA

  Adenine

• DNA

  Guanine

Match the mRNA to the DNA

• UGC

• DNA = ACA

• UGU

• DNA = GAG

• CUC

• DNA = ACG

• UAC

• DNA = ATG