Scr Biology

Which of the following would be a nucleotide found in DNA

• Ribose + phosphate + uracil
• Deoxyribose + phosphate + uracil  
• Deoxyribose + phosphate + adenine
• Ribose + phosphate + adenine

An RNA molecule is

• double helix
• always double stranded
• usually double stranded
• single stranded

In mRNA, each codon specifies a particular 

• nucleotide
• amino acid
• purine
• pyrimidine

. What are the building blocks of proteins called?

• nucleotides

• proteins

• amino acids

• carbohydrates

Tags

NGSS.HS-LS1-6

How many bases are in one codon?

• 1
• 2
• 3
• 4

What is the correct sequence?

• RNA --> DNA --> Protein
• Protein --> RNA --> DNA
• DNA --> RNA --> Protein
• DNA --> Protein --> RNA

Tags

NGSS.HS-LS1-1

What structure in a cell is the site for making proteins?

• ribosomes
• mitochondria
• lysosome
• Golgi body

Tags

NGSS.MS-LS1-2

Which amino acid is made from the RNA codon UUA?

• Phenylalanine
• Leucine
• Serine
• Tyrosine

Process in which amino acids are assembled into proteins at the ribosome?

• Translation
• Transcription
• Meiosis
• Replication

An mRNA molecule is produced in which step of protein synthesis:

• replication

• transcription

• duplication

• translation