What is DNA?
DNA is which of following organic molecules? A) A lipid B) A carbohydrate C) A protein D) A nucleic acid
What is nucleic acid?
This is the enzyme that "unzips the genes"
What is helicase?
The type of bond that holds base pairs together is?
What is a hydrogen bond?
How many strands does DNA have?
What is two strands?
The name of the area where DNA begins to replicate/copy/divide
What is the replication fork?
A nucleic acid is made up of smaller units, or building blocks, called ____________________
What are nucleotides
This is the enzyme that adds new nucleotide bases to the parent or template strand to form a new DNA strand
What is DNA Polymerase
A strand of DNA is supported by its "backbones". Which two molecules make up the backbone of DNA?
What are sugars and phosphates
How many strand does RNA have?
What is one strand?
Base-pairing rules state that G always pairs with _____.
What is C (Cytosine)
DNA name stands for ____________________
Deoxyribnucleic acid
This is the enzyme that links all the bases on the lagging strand together
What is DNA Ligase?
The type of bond that holds the two molecules together that make up the backbone is? (Hint: Stronger one)
What is a covalent bond
What are the four nitrogen bases RNA has?
What is cytosine, guanine, adenine, and thymine?
DNA has a specific shape called a _____________________, which can be described as a twisted ladder.
What is a double helix
DNA nucleotides are made up of three components:
What are 1. A sugar 2. A phosphate 3. A nitrogen base
This tells the DNA polymerase to begin adding new bases to the template LAGGING strand?
What is primase?
If one strand of DNA has the following nitrogen bases -TAACGCTA. What will be the nitrogen bases of the complementary strand?
What is ATTGCGAT?
What nitrogen base does RNA have that DNA does not?
What is uracil?
These are the fragments formed on the lagging strand by DNA Polymerase
What are Okazaki fragments?
The sugar in DNA is made up of 5 carbons, what is the specific name for this 5-carbon sugar in DNA?
What is deoxyribose?
What is the overall direction of dna replication?
What is the 5' to 3' direction?
A double-stranded DNA molecule is found to consist of 40% adenine. Calculate the percentage of guanine present in the same DNA strand."
What is 10%?
Thinking back to the twisted ladder analogy, what do the sides of the ladder represent?
What are the backbones of DNA (made up of sugars and phosphates)
True/False: DNA exists normally in your cells as a single-strand of nucleotides, having one backbone connected to nitrogenous bases.
What is False (DNA is double-stranded)