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