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GOAL 3
Test Description: This is a review!
Instructions: Answer all questions to get your test result.
1) If you want to know the genotype of the pea plant that has purple flowers which would you perform?
A
Dihybrid Cross
B
Genetic Linkage
C
Punnett Squares
D
Test Cross
2) How many alleles for a sex linked (x linked) gene does a male carry?
A
four
B
one
C
none
D
two
3) The work of several scientists helped to show that the hereditary material is
A
Codons
B
Ribosomes
C
Proteins
D
DNA
4) Which of the following occurs first during the process of transcription
A
Introns are removed and exons are joined together
B
DNA polymerases join together complementary base pairs
C
Two DNA strands start to separate
D
tRNA translates codons
5) Stretches of noncoding nucleotides found in RNA transcripts that interrupt coding sequences are called?
A
Introns
B
Codons
C
Anticodons
D
Exons
6) Which of the following does not directly participate in translation
A
DNA
B
mRNA
C
tRNA
D
Ribosomes
7) Explain why the DNA’s structure is called “the double helix”
A
Because three wasn't enough to make a helix
B
There are more than two
C
DNA has two double helixes
D
Two strands of nucleotides wind around each other
8) What is the difference between the structure of DNA and RNA
A
RNA is a purple and DNA is blue
B
RNA typically forms a single strand, rather than a double helix.
C
DNA is rough while RNA is smooth
D
RNA is tilted while DNA is in a straight line
9) What does DNA stand for?
A
Deoxyribose Nucleic Acid
B
Disconnected Neutron Acid
C
Deoxygen Neutral Acids
D
Did Not Attend
10) Stretches of non coding nucleotides found in RNA transcripts that interrupt coding swquences are called
A
Codons
B
Introns
C
Exons
D
Anti-codons
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