DNA, RNA, Transcription and Translation Test Review

According to the Base-Pair Rule…

• Each nucleotide pairs with itself (example: A pairs with A)

• A pairs with T and C pairs with G

• A pairs with G and C pairs with T 

• A pairs with C and G pairs with T

What would the complementary strand of DNA be for the sequence of bases ACCTAGTTG?

• CAAGCTGGT

• TGGATCAAC

• GTTCGACCA 

• ACCTAGTTG

Proteins are made by reading the __________ given by _________.  

• map; ribosomes

• instructions; DNA

• words; tRNA 

• book; mRNA 

Tags

NGSS.HS-LS1-1

What does the nucleus of the cell contain and what does it do?  

• ribsomes;  makes proteins

• lysosomes;  disposal of the cell

• DNA;  directs all cell activities

• mitochondria;  makes energy for cell

Tags

NGSS.MS-LS1-2

Place in order the sequence of events leading up to the synthesis of a protein.  

• Protein made at ribosome, mRNA transcribes DNA, rRNA helps tRNA assemble amino acids, DNA unzips 

• DNA unzips, rRNA helps tRNA assemble amino acids, Protein made at ribosome, mRNA transcribes DNA 

• DNA unzips, mRNA transcribes DNA, rRNA helps tRNA assemble amino acids, Protein made at ribosome 

• DNA unzips, Protein made at ribosome, mRNA transcribes DNA, rRNA helps tRNA assemble amino acids

Tags

NGSS.HS-LS1-1

Which statement best describes the structure of a DNA molecule?

• DNA is a single-stranded and straight molecule

• DNA is a single-stranded and curly molecule 

• DNA is a double-stranded molecule that looks like a spiral staircase 

• DNA is a double stranded molecule that is straight like a ladder

DNA is a double helix which means that it is shaped like a __________.

• blob of snot

• step stool

• twisted ladder

• round ball

Which of the following is not one of the three components of a nucleotide? 

• A nitrogenous base

• A lipid

• A phosphate

• A sugar

RNA is important to: 

• regulating genes

• coding genes 

• synthesizing proteins

• All of the above

Which statement best describes the structure of RNA? 

• RNA is a single-stranded and long molecule 

• RNA is a short and curly molecule

• RNA is a double-stranded molecule that looks like a spiral staircase

• RNA is a double stranded molecule that is straight like a ladder