Proteins
Two amino acids can join together to form a what?
Dipeptide
Most enzymes are composed of?
Chains of amino acids liked together
Which noble gas has an A as its first letter?
Argon
What is NOT a principle that Darwin identified to affect natural selection?
Replication
What is considered research with scientific method?
Data, experiments & investigation
When the RNA is mRNA, it specifies the synthesis of what protein?
Polypeptide Chain
What is another name for catalyst?
Reactant
What does ATP stand for?
Adenosine triphosphate
What was the key to developing new species based on Darwin's observation on the Galapagos Island?
Isolation
What could cause errors in a scientific experiment?
Small sample sizes and limited trials
Proteins are organic molecules that contain what?
Carbon atoms
What two factors can affect the rate of enzyme activity?
Temperature & pH
What is the boling point of nitrogen?
-196 Celsius
What species did Darwin explain that new species must occur by the means of?
Natural selection
The concept of gravity put forth by Issac Newton is an example of?
Universal Law
How many amino acids make up every type of protein?
20
Where do substrates bind on an enzyme?
Active site
What is the chemical name for water?
Dihydrogen monoxide
What is an example of homologous structures?
Rabit and birds
A particular factor is always changed in a experiment study. What is that factor called?
Variable
What is the rarest amino acid?
Selenocysteine &mPyrrolysine
What makes an enzyme react?
Chemical reaction
Emulsion
Charles Darwin was best known in the 19th century for?
Theory of evolution by natural selection
Which steps are used by scientist to understand the hypothesis?
Deductive reasoning