semester supplement

WHY must we use RNA if we already have genetic code in DNA?

• RNA is portable and can be read by the ribosome
• RNA is more accurate than DNA
• The cell needs a backup code and uses RNA
• DNA and RNA can be used interchangeably 

Which of the following is the correct order of molecules?

• DNA -> RNA -> Proteins
• Proteins -> DNA -> RNA
• RNA -> DNA -> Proteins
• There is no specific order of these molecules

Tags

NGSS.HS-LS1-1

What are the 3 components of a nucleotide?

• sugar, hydrogen, nitrogen base
• sugar, oxygen, nitrogen base
• sugar, phosphate, nitrogen base
• sugar, phosphate, protein

the label 2 is ....

• Phosphate

• Dioxyribose

• Adenine

• Nitrogen bases

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine
• guanine
• thymine
• uracil

The five carbon sugar found in RNA

• Ribose
• Deoxyribose
• Glucose

DNA and RNA are macromolecules in the category of

• Proteins
• Lipids
• Nucleic Acids
• Carbohydrates

The inability of an organism to produce certain proteins can occur when an organism is lacking an enzyme needed to combine

• oxygen molecules

• simple sugars

• amino acids

• biologic catalysts

The process to go from mRNA to a protein is called ____

• transcription
• rRNA
• replication
• translation

DNA holds the code for

• lipids
• carbohydrates
• protein
• sugar

Tags

NGSS.HS-LS1-1