DNA Structure and Function Quiz
Preview:
What is the sex cell for females
A. XX
B. XY
C. YX
D. YY
What is the phrase to help you remember which nitrogenous base compliments the other –
A. apples in cars,
garages in trees
B. apples in trees,
cars in garages
C. apples in garages,
cars in trees
DNA directs the sequencing of
A. amino acids
B. fats
C. ribosomes
D. traits
According to the principle of base pairing, bonds can only form between ________ and ____________; __________ and ____________.
A. adenine and thymine;
cytosine and guanine
B. lion and tigers;
bears and monkeys
C. hydrogen and oxygen;
carbon dioxide and gradient
D. atoms and thyme;
carbon and gradient
Genes are found in
A. cytoplasm
B. chromosome
C. mitochondria
D. ribosome
What 3 things make up a nucleotide in DNA?
A. sugar, phosphate, and nitrogenous base
B. sugar, carbohydrates, and protein
C. nitrogenous base, sugar, and carbohydrates
Why is DNA called the blueprint of life?
A. it contains genetic information which is important for trait inheritance
B. it contains unwanted traits that could be inherited
C. it holds the instructions for an organism’s or each cell’s development and reproduction
D. all of the above
The protein adenosine is paired with
A. thymine
B. guanine
C. cytosine
D. all of the above
Where does the DNA separate prior to replication?
A. base
B. chromosome
C. origin
D. it never separates
What happens in the process of DNA replication? 3 steps
A. 1 unwind
2 unzip
3 enzymes use original strand as template
B. 1 unzip
2 unwind
3 enzymes use original strand as template
C. 1 enzymes use original strand as template
2 unwind
3 unzip
A change in the DNA sequence is called a
A. replication
B. translation
C. multiplication
D. mutation
what kind of bond holds the nitrogen base pairs together in a DNA strand?
A. nitrogen bond
B. carbohydrate bond
C. hydrogen bond
D. sugar bond
What are the 4 biomolecules?
A. Proteins, carbohydrates, lipids, nucleic acids
B. peanuts, candy, lollipops, nerds
C. head, shoulders, knees, toes
Most mutations in the DNA are considered
A. harmful
B. beneficial
C. no effect
D. unbelievable
What is the first step in replication of DNA?
A. unzip the double helix structure
B. unwind the double helix structure
C. rewind the double helix structure
D. duplicate the double helix structure
What is on the sides of the DNA molecule?
A. base
B. sugar and phosphate molecules
C. energy
D. oxygen
The DNA shape is
A. rectangular
B. circular
C. triangular
D. spiral
Replication is
A. when DNA is tripled
B. when a new strand of DNA is formed
C. when DNA decreases
The sugar ___________ is found in DNA.
A. deoxyribose
B. chromosome
C. phosphate
D. nitrogen
What part of our DNA is different from other species and individuals who have different traits?
A. nucleus
B. genes
C. jeans
D. deoxyribose
Identical twins have exactly the same traits because…
A. they have exactly the same genes
B. they have exactly the same mother
C. they have exactly the same father
D. they have exactly the same traits
What is the shape of the DNA molecule?
A. single file
B. double helix
C. triple axis
for each adenine there must be one thymine, and for each guanine there must be one cytosine.
A. chromosome
B. base pairing
C. double helix
D. nitrogenous base
for each adenine there must be one thymine, and for each guanine there must be one cytosine
A. nitrogenous base
B. chromosome
C. double helix
D. base pairing
DNA Replication produces ___ new DNA molecules; each with one _______strand and one _____ strand.
A. 1, original, original
B. 2, original, and new
C. 2, new, and new
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