DNA Test Review

What is the function of nucleic acids like DNA and RNA?

• Main source of energy

• Stores energy

• Fights diseases

• Stores and transmits genetic information

DNA and RNA are made up of repeating units called

• Amino acids

• nucleotides

• proteins

• fatty acids

Following the base-pair rule, cytosine (C) always pairs with______.

• guanine (G)

• adenine (A)

• thymine (T)

• uracil (U)

Unlike DNA, RNA contains the base _____.

• uracil (U)

• cytosine (C)

• adenine (A)

• guanine (G)

Which of the following is TRUE of RNA?

• It contains thymine

• A double-stranded molecule

• Single-stranded molecule that can leave the nucleus

• Cannot leave the nucleus

Which of the following is the correct information flow (central dogma) to make traits?

• DNA > Protein > Traits > RNA

• RNA > DNA > Protein > Traits

• Traits > Proteins > RNA > DNA

• DNA > RNA > Proteins > Traits

Translation is a process that produces proteins and it happens at

• the nucleus

• the beach

• the ribosome

• the vacuole

Use the attached amino acid chart. What amino acid does the RNA codon UUC code for?

• Leu

• Lys

• Phe

• Stop

True or false: Mutations are random and most have no affect on the organism.

• True

• False

A mutation were a base is deleted is an example of a

• Point mutation

• Frameshift mutation