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Bio 3rd MP Exam Review
Test Description: This is a review for the Benchmark Assessment for the 3rd Marking period.
Instructions: Answer all questions to get your test result.
1) Sperm or egg cells produced during meiosis have _?_ chromosomes as the parent cell.
A
4 times as many
B
the same number of
C
twice as many
D
half as many
2) Mitosis occurs in which type of cell?
A
sperm and egg cells
B
gametes
C
plant cells only
D
body cells(somatic)
3) If the diploid number of chromosomes in a body cell is 46, then the haploid number is:
A
12
B
92
C
23
D
64
4) Which best summarizes the general rules for the pairing of nitrogen bases in DNA molecules?
A
purines never pair with pyrimidines
B
adenine always pairs with uracil and guanine always pairs with cytosine
C
adenine always pairs with cytosine and guanine always pairs with thymine
D
adenine always pairs with thymine and cytosine always pairs with guanine
5) What is the complementary strand of DNA for the sequence ‘ATTGCA’?
A
TAACGT
B
ATTGCA
C
CGGTAC
D
UAACGU
6) DNA is made up of repeating subunits called nucleotides. A nucleotide is composed of:
A
sugar, proteins, and nitrogen bases
B
proteins, carbohydrates, and lipids
C
sugar, phosphate, and nitrogen bases
D
sugar, phosphate, and hydrogen molecules
7) Which of the following statements best summarizes the process of protein synthesis?
A
the formation of proteins using info coded on RNA carried out by DNA
B
the formation of proteins using info coded on RNA carried out by RNA
C
the formation of proteins using the code from DNA carried by RNA
D
the formation of proteins using the code from DNA carried by DNA
8) Based on your knowledge of RNA, which of the following is an RNA codon?
A
GAT
B
CGT
C
TAT
D
UAC
9) Which of the following best describes the process in which mRNA is decoded into an amino acid during protein synthesis?
A
translation
B
replication
C
transformation
D
transcription
10) Using the following DNA sequence, TAC GTT TCG, determine the complementary bases that would be transcribed into a strand of mRNA.
A
AUG CAA AGC
B
CGT ACC CTA
C
ATG CAA AGC
D
UAG CUU UGC
*select an answer for all questions
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