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WorksheetsDNA!
Total questions: 14
Worksheet time: 7mins
Why is the nucleus called the 'control center' of the cell?
Because it controls all the activities of the cell because it houses DNA
Because it contains energy
Because it is spherical in shape
Because it is located in the center of the cell
What is a gene?
A segment of DNA that codes for a particular protein
Contains all DNA of the cell
A chemical that changes energy levels in a cell
A small spherical body in a cell
What is the technical name for the shape of DNA?
Double helix
Spherical
Threadlike
ladder
How many strands does DNA have? (Remember double helix?)
1
2
3
4
Where in the cell are chromosomes located?
In the nucleus
In the cytoplasm
In the cell membrane
In the mitochondria
What are the sides of the DNA ladder made of?
Sugar and phosphate molecules
Adenine and guanine
Thymine and cytosine
Purines and pyrimidines
What are the 4 bases that make up the rungs (the middle) of the DNA ladder?
Adenine, guanine, thymine, cytosine
Sugar, phosphate, deoxyribose, nucleotide
Purines, pyrimidines, nucleotides, chromosomes
Nucleus, cell, protein, trait
What sugar is found in DNA?
Deoxyribose
Glucose
Sucrose
Fructose
How do the bases bond together? A (adenine) bonds with
T (Thymine)
G (Guanine)
C (Cytosine)
A (Adenine)
How do the bases bond together? C (Cytosine) bonds with
T (Thymine)
G (Guanine)
C (Cytosine)
A (Adenine)
How do the bases bond together? G (Guanine) bonds with
T (Thymine)
G (Guanine)
C (Cytosine)
A (Adenine)
How do the bases bond together? T (Thymine) bonds with
T (Thymine)
G (Guanine)
C (Cytosine)
A (Adenine)
What three parts make up a single nucleotide?
Base, sugar, phosphate
Adenine, guanine, cytosine
Thymine, deoxyribose, purine
Chromosome, gene, protein
What is the function of DNA in cells?
Store and transmit genetic information
Produce energy for the cell
Regulate cell division
Transport nutrients within the cell
