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Chapter 6
PBSC DNA & GENE EXPRESSION - Part 1 BSC1005 259323 CONCEPTS IN BIOLOGY
Question | Answer |
---|---|
What type of RNA carries the genetic code? | messenger (mRNA) |
The sugar found in a nucleotide of RNA is _____. | Ribose |
The two bases found in DNA which are classified as PURINES are _____ and _____. | Adenine & Guanine |
The 3 parts of a nucleotide are a phosphate, sugar and a _____. | base |
The process which results in a copy of the DNA molecule is known as _____. | Replication |
What is the name of the enzyme which pieces the short strands of DNA on the lagging side of the replication fork? | Ligase |
Where are codons found? | messenger (mRNA) |
During replication of DNA, the new strand known as the ______ strand is made as one continuous piece. | Leading |
What is the description used to indicate that in DNA one strand of nucleotides runs in the opposite chemical direction as the other strand? | Anti-parallel |
The sugar found in a nucleotide of DNA is _____. | deoxyribose |
What type of bond holds the sugar-phosphate backbone together in a DNA molecule? | Covalent |
During replication of DNA, the new strand known as the ______ strand is made as small pieces that are then pieced together. | Lagging |
The two bases found in DNA which are classified as PYRIMIDINES are _____ and _____. | Cytosine & Thymine |
What type of RNA is capable of carrying an amino acid while base pairing with a codon? | transfer (tRNA) |
What is the direction in which DNA Polymerase is able to build new DNA? | 5' to 3' |
What are the DNA bases that would match this strand of DNA: T-A-G-C-G-T-A | A-T-C-G-C-A-T |
_____ are the building blocks of DNA and RNA. | Nucleotides |
_____ is the description used for the replication of DNA in which the resulting new molecule is half old and half new. | Semi-conservative |
What type of RNA ultimately forms the site of protein synthesis? | ribosomal (rRNA) |
The process which results in a strand of RNA made to match the DNA template is known as _____. | Transcription |
What is the name of the process which decodes the message in RNA and turns it into protein? | Translation |
What are the RNA bases that would pair with this strand of DNA? T-A-C-C-G-A | A-U-G-G-C-U |
What type of bond holds the bases together in the middle of the DNA molecule? | Hydrogen bond |
What is the name of the enzyme which makes new DNA strands during replication? | DNA Polymerase |
True or False? There are no Thymines found in RNA. | True |