Chapter 6 Question Preview (ID: 23073)
Chapter 6 Test Review.
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A protein is a long string of ________________.
a) nucleotides
b) amino acids
c) carbohydrates
d) lipids
A strand of DNA is a long string of _____________________.
a) amino acids
b) nucleotides
c) lipids
d) fats
A disorder is known as ______________ if the child must receive an allele for the disease from each parent in order to have the disease.
a) dominant
b) incomplete dominant
c) recessive
d) nucleic
A change in the order of bases in DNA is called a _________________.
a) mutagen
b) incompletion
c) mutation
d) adaptation
A physical or chemical agent that causes damage to DNA is a __________________.
a) mutation
b) pedigree
c) altertation
d) mutagen
In a DNA molecule, which of the following bases pair together?
a) adenine and cytosine
b) thymine and adenine
c) thymine and guanine
d) cytosine and thymine
A gene is
a) a set of instructions for each trait
b) instructions on how to make a protein
c) a portion of a strand of DNA
d) All of the above
DNA
a) is made up of three subunits
b) has a structure like a twisted ladder
c) cannot be repaired if it is mutated
d) All of the above
In incomplete dominance
a) a single gene controls many traits
b) genes for a trait are all recessive
c) each allele for a trait has its own degree of influence
d) the environment controls the genes
Watson and Crick
a) studied the amounts of each base in DNA
b) took X-ray pictures of DNA
c) made models to determine DNA structure.
d) discovered that genes were located on chromosomes
Which of the follwoing is NOT a step in making a protein?
a) Copies of DNA are taken to the cytoplasm
b) Transfer molecules deliver amino acids to the nucleus
c) Amino acids are joined together at the ribosome to make a protein
d) A copy of the DNA is fed through the ribosome
Genes are made of subunits known as ______________________.
a) ribosomes
b) nucleotides
c) nucleic acids
d) mutagen
What would the complementary stand of DNA be for the following sequence of bases? CTAGTGCTATCCA
a) AGCTGTAGCGA
b) GATTATGAAG
c) CTATCGTGATC
d) GATCACGATAC
Nucleotides are made of
a) a sugar, a phospate, and a base
b) a sugar, a fluortie, and a base
c) adenine, thymine, guanine and cytosine
d) all of the above
The DNA code is translated into proteins in the _____________.
a) nucleus
b) golgi apparatus
c) ribosome
d) nucleic acid
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