Genetics (DNA Structure, Protein Synthesis & Meiosis)

4.1.1 b - Recall the 4 nitrogen bases found in DNA?

• adenine, uracil, cytosine, and guanine

• adenine, thymine, cytosine, and guanine

• adenine, thymine, cytosine, and uracil

• adenine, thymine, uracil, and guanine

Tags

NGSS.MS-LS3-1

4.1.1 b - Which nitrogenous base would pair up with Thymine in a DNA molecule?

• Adenine

• Cytosine

• Guanine

• Uracil

4.1.1 b - Deduce the correct complimentary strand for the following section of DNA? ATCGAG

• TACGAG

• ATCGAG

• TAGCTG

• TAGCTC

4.1.1 b - PA MOCKEXAM 2020 MC 21 - The figure given represents a section of DNA. Identify the feature labelled I.

• nucleotide

• covalent bond

• hydrogen bond

• purine molecule

In mRNA, each codon specifies a particular 

• nucleotide
• amino acid
• purine
• pyrimidine

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

• replication

• transcription

• duplication

• translation

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

What is this a picture of?

• mRNA
• tRNA
• rRNA
• pRNA