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WorksheetsDNA Review
Total questions: 14
Worksheet time: 7mins
Where would you find the sugars and phosphates in a DNA molecule?
On the sides (the backbone of the helix)
In the middle (the base pairs)
What shape is DNA?
Circular
Flat
Double Helix
Boxy
Jane and Josiah have different eye colors. This is because Jane and Josiah's DNA code makes different _________.
proteins
carbohydrates
fats
organelles
What are genes?
Pieces of chromosomes that you inherit from your parents
Instructions for how to build proteins
Sections of DNA
All of these are true.
Which organelle contains DNA?
Cytoplasm
Vacuole
Nucleus
Cell Membrane
Strands of tightly wound DNA are known as _______.
Phosphates
Nucleotides
Chromosomes
Sugars
Which nitrogen base pairs with guanine?
Cytosine
Kerosene
Thymine
Uracil
Which nitrogenous base does adenine match?
Guanine
Cytosine
Uracil
Thymine
One side of a DNA strand has the following nitrogen base sequence:
A-A-T-G-C-C
Select the sequence of nitrogenous bases we can expect to see on the other side.
A-A-T-G-C-C
T-T-A-C-G-G
C-C-G-T-A-A
G-G-C-A-T-T
The nitrogenous bases found in DNA are represented by the letters
Why is DNA important?
It serves as the blueprint for the traits of all living things
It is a major energy source in the human body
It helps to dissolve complex materials in living things
It can be extracted and used to increase oxygen levels
Section A in the diagram is most likely
Protein containing folded subunits
A biological catalyst
Part of a gene for a particular trait
A chromosome undergoing a mutation
A gene codes for the production of a particular
Protein
Chromosome
Nucleus
Nucleic Acid
Which of the following structures are in order from LARGEST to SMALLEST?
Chromosome, Nucleus, Gene
Gene, Chromosome, Nucleus
Nucleus, Chromosome, Gene
Chromosome, Gene, Nucleus
