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DNARNA

Protein Synthesis All mixed up

Gene Expression

Primary function of DNA

What is to make store and transmit genetic information?

Long chains that make up DNA (it’s building block)

What is a nucleotide?

The 3 components of DNA

What is deoxyribose sugar, phosphate group and

nitrogen base?

NAMES and COMPLEMENTS of the

nitrogenous bases of DNA

What Adenine and Thymine; Cytosine

and Guanine?

Scientists credited with the structure of DNA

Who are Watson and Crick?

Full name of RNA

What is Ribonucleic Acid?

3 ways RNA is different than DNA

What is Type of sugar, uracil, single stranded,

Location, multiple forms?

Functions of 3 types of RNA

What is mRNA: messenger, tRNA, carries amino acids, rRNA, location of protein

synthesis?

RNA molecule complementary to adenine

What is uracil?

Name of the components labeled on the RNA

molecule

#1

#2

What is amino acid for #1 and anticodon for #2?

Location of transcription and translation

What is the nucleus

(transcription) and ribosome (translation)?

Identify the mRNA strand transcribed from this DNA

AAA-TAC-GCG-TGA

What is UUU-AUG-CGC-ACU?

What enzyme is responsible for catalyzing transcription (adding the

bases)

What is RNA polymerase?

What a codon codes for

What is an amino acid or stop signal?

What anticodons do during translation

What is make sure the correct amino acid is

delivered to the ribosome?

The reason cells must control gene expression

What is so their genes will only be expressed when

needed?

Operon’s role

What is a group of genes that code for functionally

related proteins?

What inducer molecules do that allows for

transcription

What is changes the shape of the repressor

molecules?

What causes the lac operon to be shut off

What is lactose being absent?

How the inducer molecule works

What is it removes the repressor molecule from

the operator?

Term used to describe the nucleotide triplet that

specifies a particular amino acid

What is a codon?

Term used to describe a substance known to cause

cancer

What is a carcinogen?

Name of the 2 types of nitrogen bases

What are purines and pyrimidines?

Enzyme responsible for unwinding the DNA strand so

it can replicate

What is helicase?

Describe the steps of DNA replication

What is :1. Helicase breaks H bonds between

bases (unwinds) this is called the replication fork

2. DNA polymerase creates the new strand by adding a

complementary bases until it reaches a stop signal?