WorksheetsDNA Pre-Assessment
Total questions: 25
Worksheet time: 25mins
Which series is arranged in order from smallest to largest?
Nucleus, chromosome, cell, nucleotide, DNA
nucleotide, DNA, chromosome, nucleus, cell
Chromosomes, nucleus, cell, DNA, nucleotide
Cell, nucleus, chromosome, DNA, nucleotide
What have scientists stated that the structure of DNA was?
double helix
single helix
circle shaped
nucleotide
Individual units in DNA are called
nucleotides
amino acids
lipids
nucleic acids
Which answer is not a part of a DNA nucleotide?
thymine
deoxyribose
ribose
phosphate
The nitrogenous bases in DNA are...
deoxyribose, guanine, cytosine, thymine
adenine, guanine, cytosine, uracil
adenine, guanine, cytosine, thymine
amine, guanine, cytosine, thymine
What pairs in DNA and causes genetic variation?
ribose and deoxyribose
nitrogen bases
amino acids
phosphates and sugars
Which is the correct representation of a nucleotide in DNA?
deoxyribose sugar, phosphate group, uracil
deoxyribose sugar, phosphate group, thymine
ribose sugar, phosphate group, thymine
ribose sugar, phosphate group, uracil
Two people each have a gene that codes for a form of hemoglobin. Person #1 has a gene that encodes for normal hemoglobin, whereas Person #2 has a gene that encodes a mutated form of hemoglobin Sickle Cell Anemia. The difference between these two genes is due to
the change of sugar in the molecule
the addition of a nitrogen base
the sequence of nitrogen bases
the broken covalent bonds between the phosphate and sugar
GAT-TAC-AGA-TTA-CAT?
ATCGTA
