What is DNA?
DNA is found in which cell organelle?
What is the nucleus?
DNA has how many nitrogenous bases?
What is: four?
What is a gene?
A segment (piece) of a DNA that is the basic physical and functional unit of heredity.
What is a Mutation?
What is: A change in the DNA (which can change the gene)
Which of the following can be found on one DNA molecule?
A. No more than 2 base pairs
B. A single amino acid
C. Hundreds of genes
D. At least 10 chromosomes
What is: (C) Hundreds of genes
DNA is which of following organic molecules?
A) A lipid
B) A carbohydrate
C) A protein
D) A nucleic acid
What is a nucleic acid?
What is the name for the shape of DNA?
What is a (double) helix
What are the function(s) of Genes?
Genes are pieces of DNA that act as instructions for building specific proteins, which in turn determine various traits and functions within an organism
Jana is modeling mutations using the word "FRIEND."
Which version of the word "FRIEND" models an INSERTION mutation?
A). DNEIRF
B). FIEND
C). FRIENDS
D). DRIEND
What is: (C) FRIENDS
Which statement is true about DNA?
A. It makes proteins line up in a certain order.
B. It produces all the differences among living things.
C. It contains a small number of proteins.
D. It packages all the genes in a living thing.
What is: (B) It produces all the differences among living things.
A nucleic acid is made up of smaller units, or building blocks, called ____________________
What are nucleotides
One model of a DNA molecule is a twisted ladder.
In this model, what do the 'rungs' of the ladder represent?
What is are the nitrogen bases
If DNA can be described as the instruction book for building an organism, which phrase best describes a gene?
A) A sentence in the instruction book
B) A single letter in the instruction book
C) A three-letter word in the instruction book
D) The paper the instruction book is written on
What is: (A) A sentence in the instruction book
Maya is modeling mutations using the word PEACE.
Which word models a Deletion mutation in the word PEACE?
A). PEACHES
B). PACE
C). PEACES
D). PLACE
What is: (B) PACE
What is the function of a chromosome?
A. To tightly package a single protein
B. To tightly package a single molecule of DNA
C. To tightly package a single gene
D. To tightly package a single amino acid
What is: (B) To tightly package a single molecule of DNA
DNA nucleotides are made up of three components (parts), Name them
What are 1. A sugar, 2. A phosphate, 3. A nitrogen base (need all 3 to be correct)
A strand of DNA is supported by its "backbones".
Which two molecules make up the backbone of DNA?
What are the sugar and phosphate?
What are genes used to make?
What is: protein
Jana is modeling mutations using the word "FRIEND."
Which version of the word "FRIEND" models a DELETION mutation?
A). DNEIRF
B). FIEND
C). FRIENDS
D). DRIEND
What is: (B) FIEND
What role does DNA play in the production of a protein?
A. It unwinds partway to expose the gene that codes for the protein.
B. It unwinds partway to expose the amino acids that code for the protein.
C. It unwinds completely so that each half can serve as a template.
D. It unwinds completely so that it can form a new chromosome.
What is: (A) It unwinds partway to expose the gene that codes for the protein.
What is DNA?
What is: the molecule that carries genetic information for the development and functioning of an organism.
What do the nitrogen bases code for?
What is a gene?
Where do you find genes?
What is: found on chromosomes (in the nucleus)
Maya is modeling mutations using the word PEACE.
Which word models a Substitution mutation in the word PEACE?
A). PEACHES
B). PACE
C). PEACES
D). PLACE
What is: (D) PLACE
Which step happens first to a chromosome during cell division?
A. A DNA molecule unwinds, exposing the bases on each half.
B. Two identical DNA molecules form.
C. Each half of a DNA molecule acts as a template.
D. Nucleotides are added to each half of a DNA molecule.
What is: (A) A DNA molecule unwinds, exposing the bases on each half.