Which cells do not have paired chromosomes in the nucleus?
Gametes
Muscle
Animal
What is a gene?
A short length of DNA that codes for a protein.
A long piece of DNA that codes for a protein.
A short piece of DNA that codes for a chromosome.
Where are chromosomes found in a cell?
Cytoplasm
Nucleus
Mitochondria
Which 4 bases are present in DNA?
AUCG
ATDG
ATCG
Which term is given to the strand of DNA that contains the code for a protein?
Single
Coding
Double
What are different forms of the same gene known as?
Alleles
Bases
Amino acids
Which sugar is present in the double helix backbone?
Glucose
Ribose
Deoxyribose
How many bases are needed to code for an amino acid?
4
3
1
Amino acids join to form a...
Base
Gene
Protein
Which statement about DNA is correct?
Adenine (A) pairs with cytosine (C)
Thymine (T) pairs with adenine (A)
Cytosine (C) pairs with thymine (T)