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Chapter 6
Test Description: Chapter 6 Test Review
Instructions: Answer all questions to get your test result.
1) A protein is a long string of ________________.
A
nucleotides
B
carbohydrates
C
lipids
D
amino acids
2) A strand of DNA is a long string of _____________________.
A
fats
B
nucleotides
C
lipids
D
amino acids
3) 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
recessive
B
dominant
C
nucleic
D
incomplete dominant
4) A change in the order of bases in DNA is called a _________________.
A
adaptation
B
mutagen
C
mutation
D
incompletion
5) A physical or chemical agent that causes damage to DNA is a __________________.
A
pedigree
B
mutation
C
altertation
D
mutagen
6) In a DNA molecule, which of the following bases pair together?
A
adenine and cytosine
B
thymine and guanine
C
cytosine and thymine
D
thymine and adenine
7) A gene is
A
a portion of a strand of DNA
B
a set of instructions for each trait
C
All of the above
D
instructions on how to make a protein
8) DNA
A
All of the above
B
has a structure like a twisted ladder
C
is made up of three subunits
D
cannot be repaired if it is mutated
9) In incomplete dominance
A
each allele for a trait has its own degree of influence
B
the environment controls the genes
C
a single gene controls many traits
D
genes for a trait are all recessive
10) Watson and Crick
A
took X-ray pictures of DNA
B
discovered that genes were located on chromosomes
C
made models to determine DNA structure.
D
studied the amounts of each base in DNA
11) Which of the follwoing is NOT a step in making a protein?
A
Transfer molecules deliver amino acids to the nucleus
B
Amino acids are joined together at the ribosome to make a protein
C
Copies of DNA are taken to the cytoplasm
D
A copy of the DNA is fed through the ribosome
12) Genes are made of subunits known as ______________________.
A
nucleotides
B
ribosomes
C
nucleic acids
D
mutagen
13) What would the complementary stand of DNA be for the following sequence of bases? CTAGTGCTATCCA
A
CTATCGTGATC
B
AGCTGTAGCGA
C
GATTATGAAG
D
GATCACGATAC
14) Nucleotides are made of
A
all of the above
B
adenine, thymine, guanine and cytosine
C
a sugar, a phospate, and a base
D
a sugar, a fluortie, and a base
15) The DNA code is translated into proteins in the _____________.
A
nucleus
B
golgi apparatus
C
ribosome
D
nucleic acid
*select an answer for all questions
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