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WorksheetsMolecular Genetics
Total questions: 15
Worksheet time: 8mins
Which nitrogenous base CAN'T be found in DNA?
Adenine
Guanine
Thymine
Uracil
The process by which DNA makes an exact copy of itself prior to cell division is called ________________.
Deletion
Replication
Translation
Transcription
Which is NOT a characteristic of DNA?
has uracil
has deoxyribose
double stranded
made up of nucleotides
Chromosomes are made of protein and what other molecules?
ATP
DNA
H2O
carbon dioxide
Chromosomes are found inside the _______________ of the cell.
membrane
mitochondria
nucleus
ribosome
How many pairs of chromosomes are in human beings?
23
24
32
43
In DNA, thymine is complementary to _____________________.
Adenine
Cytosine
Guanine
Uracil
In DNA, Cytosine is complementary to _________________.
Adenine
Cytosine
Guanine
Uracil
In a strand of DNA, if the percentage of thymine is 30% what would be the percentage of cytosine in the same DNA strand?
30%
40%
20%
50%
Which nitrogenous base cannot be found in DNA?
Guanine
Cytosine
Adenine
Uracil
What does DNA stand for?
Double Nitrogen Argon
dioxide nickel acid
deoxyribonucleic acid
none of these
How many types of nucleotides are there in DNA?
1
3
4
5
Three letters of DNA nucleotides make up a word called a _____.
cell
chromosome
codon
nucleus
The structure of a DNA molecule is described as ___________
Octahedral
Covalent
double helix
ladder
Which of the following is NOT a part of a chromosome?
Centromere
Kinetochore
Sister chromatids
telomere
