Transcribe this sequence: T A C C G C T A A
How many amino acids will be produced from this sequence?
A U G G C G A U U
3
Where does translation occur?
Ribosome
What are the two categories of mutations?
Point and frameshift mutations
What are the three parts of a nucleotide?
Phosphate, sugar, nitrogen base
What is the monomer of proteins?
Amino acids
Where in the cell does transcription occur?
Nucleus
Translate the following sequence: T A C A A G A T C
Met - Lys - Stop
Which way would the frame shift during a deletion?
To the left
Nitrogen bases for DNA are Adenine, Guanine, Cytosine and...
Thymine
What type of cells are haploid in our bodies?
Gametes
What is being produced during transcription? (Be specific!)
Messenger RNA
Which molecule is responsible for delivering amino acids to the ribosome?
transfer RNA (tRNA)
Original sequence: U C U G C C
Mutated: U C U G C A
Did my protein change?
No
Nitrogen bases for RNA are Adenine, Guanine, Cytosine and...
Uracil
Organisms that are not native to their environment and cause harm:
Invasive species
During transcription, mRNA leaves the ________ and travels to the ________.
Ribosome
As a protein is being built, amino acids are joined together by ___________. (we also learned this during Unit 1)
Peptide bonds
Mutations are the source of ________________.
Genetic diversity
What is the term for DNA replication that means that replicated strands are half new and half old?
Semiconservative
Name two membrane-bound organelles.
Mitochondria, nucleus, chloroplast, lysosomes, vacuole
During transcription, what is the DNA molecule "unzipped" by?
Enzymes
Ribosomes are made up of a little bit of protein as well as _________.
Name three things that can cause mutations.
Radiation, chemicals and errors in DNA replication
In a strand of DNA, nitrogen bases are held together by _______________, whereas the sugars and phosphates are held together by ________________.
Hydrogen bonds
Covalent bonds
How do enzymes catalyze chemical reactions?
By lowering the activation energy