WorksheetsDNA Structure & History
Total questions: 20
Worksheet time: 19mins
What does DNA stand for?
Deoxynitrogenous Acid
Deribo Nuclein Acid
Deoxyribonucleic Acid
Denatured Nucleic Acid
What is the shape of a DNA molecule?
double helix
a single helix (one strand)
square
5 sided ring
There are four nitrogenous bases found in DNA. Three are cytosine, thymine, and guanine. What is the fourth?
cytosinez
purine
uracil
adenine
What makes up the SIDES of a DNA ladder?
nitrogen bases
Deoxyribose sugars & phosphates
genes & chromosomes
RNA
What makes up the rungs (center) of a DNA ladder?
sugars & phosphates
nitrogen bases
sugars
genes & chromosomes
What is DNA made up of?
nucleotides
cytoplasm
RNA
cells
According to the Base pair rule, if a DNA molecule contains 2 cytosine's how many guanines will it contain?
1500
2
0
1000
DNA is located in the _____ in eukaryotic cells.
nucleus
cytoplasm
mitochondria
ribosome
Nucleotides consist of all of the following except:
a phosphate
a sugar
a base
a nucleic acid
Which of the following is not a DNA base?
adenine (A)
guanine (G)
cytosine (C)
histidine (H)
What is the backbone of DNA made of?
sugar and phosphate
nitrogen bases
sugar and nitrogen bases
phosphate and nitrogen bases
What are the correct base pair rules in DNA?
A-T and C-G
A-C and T-G
A-G and C-T
A-A, C-C, G-G, and T-T
How is everyone's DNA different if there are only 4 bases in DNA?
the base are arranged differently in each person
each person has 4 different bases
DNA is NOT different, everyone's is the same
I don't know :(
The diagram shows the parts of a nucleotide for DNA. What part does "A" represent?
Phosphate
Deoxyribose Sugar
Nitrogenous Base
Ribose Sugar
The diagram shows the parts of a nucleotide for DNA. What part does "B" represent?
Phosphate
Deoxyribose Sugar
Nitrogenous Base
Ribose Sugar
The diagram shows the parts of a nucleotide for DNA. What part does "C" represent?
Phosphate
Deoxyribose Sugar
Nitrogenous Base
Ribose Sugar
Which type of bonds form between complementary base pairs?
Covalent
Ionic
Hydrogen
Water
