Lesson One
Each gene is located at a specific place on a(n) __________.
chromosome
After an amino acid is added to a protein, the ______ RNA picks up another amino acid.
transfer
Mutations are ______ helpful to the organism.
sometimes
The sides of a DNA molecule are made up of sugar molecules alternating with ______ molecules.
phosphate
What tree's leaf is on the Canadian flag?
Maple
DNA _______ is the process by which DNA copies itself.
replication
RNA is a(n) ____ strand.
single
Cancer is a disease in which cells divide ______.
uncontrollably
Each group of three DNA bases on a gene codes for a single ___________.
amino acid
What is the national bird of the United States?
Bald eagle
The process of DNA copying itself begins when the two sides of the DNA molecule unwind and _______.
separate
Changes to the type of _____ of amino acid can result in a different protein.
order
If chromosomes do not _____ correctly during the formation of gender cells, the organism that forms can end up with too many or too few chromosomes.
separate
The genetic code in DNA is copied and carried to the ribosome by _______.
messenger RNA
A triathlon is a race that combines three events: running, swimming, and…?
Biking
The genetic code is determined by the _____ of the nitrogen bases.
order
Amino acids are carried to a ribosome by _____ RNA.
transfer
Cancer causes growth of ______.
tumors
A mutation is any change in the _____ of a gene or chromosome.
DNA
How many teeth does an adult human have?
32
Nitrogen bases are _____ that contain nitrogen and other elements.
molecules
A transfer RNA with the bases CGA will line up in a section of messenger RNA with the bases _____.
GCU
Scientists think that cancer begins when something damages a cell's ______.
DNA
The use of drugs to treat disease is called ______.
chemotherapy
At which annual sporting event are strawberries and cream usually served?
Wimbledon