Aliphatic Amino Acids
Polar Amino Acids
Enzymes
Proteins
Genetic Information
100

Which amino acid has no R group? 

Glycine 

100

Which amino acid has a phenol R group? 

Tyr

100

one way enzymes catalyze a reaction? 

lowering the activation energy 

100

How many types of amino acids are there?

20

100

the process of making an identical copy of a section of DNA, using existing DNA as a template for the synthesis of new DNA strands.

DNA replication

200

Which amino acid has the R group with a single methyl group? 

Alanine 

200

Which amino acid has a R group CH2-OH?

Ser

200

what is an active site?

where the substrate binds to the enzyme

200

How are amino acids linked together?

dehydration synethsis

200

a type of weak chemical bond formed between the nitrogenous bases on opposite strands of DNA.

hydrogen bonding 

300

Which amino acid has the R group has a ring containing an amine? 

Proline 

300

Which amino acid has the R group with a thiol group? 

Cys

300

do enzyme catalyze exergonic or endogonic reactions?

exergonic

300

How do many proteins act?

as enzymes or biological catalysts.

300

what are the 4 nucleotides?

A,T,G,C

400

Which amino acid has the R group with a sulfur bridge? 

Methionine 

400

Which amino acid has the R group that contains one methyl and one amide? 

Asn 

400

what kind of bonds are involved in the initial binding of substrates to the active site?

non covalent bonds 

400

Enzymes have what shape?

a glob shape. Globular

400

Who are the two scientists who are accredited on saying that DNA is a double helix in 1953?

James Watson and Francis Crick, in 1953

500

Which amino acid has a branched R group? 

Leucine 

500

Which amino acid has the R group with two methyls and one amide? 

Gln 

500

what is a cofactor?

a non protein part of the enzyme that some enzymes require to be active

500

what four things are bonded to the central carbon of every amino acid?

Amino group- NH2, Carboxyl group- COOH, Hydrogen group- H, and Side group- R

500

What does DNA helicase do?

unzip the DNA