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