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WorksheetsLesson 38: DNA
Total questions: 10
Worksheet time: 7mins
A nucleotide is a monomer, which means -
it pairs with only one other type of particle
it is a single unit that can join together with others to form a polymer
it is a spiral structure shaped like a twisted ladder
it contains hereditary information for a single organism
Select all answers below that are nitrogen bases found in DNA.
Adenine
Cytosine
Thymine
Guanine
Uracil
What is the nucleic acid that contains hereditary information for the cell?
Deoxyribonucleic acid
Acetonucleic acid
Ribonucleic acid
Lysonucleic acid
Deoxyribose is -
a spiral structure of two complementary strands of DNA
the sugar found in DNA
DNA or RNA
a purine
Select all statements below that are true of DNA.
The structure of DNA was first described by Watson and Crick.
DNA contains all information needed by the cell to perform life functions.
DNA has the shape of a twisted ladder.
DNA is found outside the plasma membrane.
The types of proteins produced in a cell are regulated by -
the location of cell organelles
the DNA code
transfer RNA
enzymes
The nitrogenous bases always bond according to the base (a) rule.
A purine always bonds with a ______________.
thymine
guanine
pyrimidine
cytosine
In DNA, adenine always bonds with (a) .
Each nucleotide consists of -
a purine, thymine, and a phosphate
a nitrogen base, a sugar, and a phosphate
a nitrogen base, adenine, and a sugar
a sugar, a phosphate, and a ribose
