Genetics Review

DNA replication occurs in the _________ in humans.

• cytoplasm

• nucleus

• ribosome

• vacuole

What makes up DNA?

• Sugar- deoxyribose

• Phosphate

• nitrogen bases ATCGs

• all answers

What is the difference between DNA & RNA?

• A) DNA has a phosphate, RNA doesn't

• B) DNA has ACTG bases, RNA has ACUG bases

• C) DNA has deoxyribose while RNA has ribose as the sugar

• Both B & C

What type of bond hold the base pairs of the DNA double helix together?

• Covalent

• hydrogen

• polar covalent

The statement: "DNA opens up and each strand is used as a template for making a new strand" describes the process of ______________.

• Replication

• Transcription

• Translation

Replicate the DNA strand AACGTC

• TTGCAG

• UUGCAG

• TTGCUG

What is the product of translation?

• glucose

• glycogen

• a fatty acid

• a polypeptide

What is this an image of?

• rRNA

• tRNA

• mRNA

• ribosome

What type of bond is used to connect amino acids together during translation?

• covalent

• hydrogen

• ionic

• peptide

Transcribe the DNA sequence ATGCAT into mRNA.

• TACGTA

• UACGUA

• ATGCAT