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