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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
half as many
C
the same number of
D
twice as many
2) Mitosis occurs in which type of cell?
A
plant cells only
B
gametes
C
sperm and egg cells
D
body cells(somatic)
3) If the diploid number of chromosomes in a body cell is 46, then the haploid number is:
A
92
B
12
C
64
D
23
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 thymine and cytosine always pairs with guanine
C
adenine always pairs with uracil and guanine always pairs with cytosine
D
adenine always pairs with cytosine and guanine always pairs with thymine
5) What is the complementary strand of DNA for the sequence ‘ATTGCA’?
A
TAACGT
B
ATTGCA
C
UAACGU
D
CGGTAC
6) DNA is made up of repeating subunits called nucleotides. A nucleotide is composed of:
A
sugar, phosphate, and nitrogen bases
B
sugar, proteins, and nitrogen bases
C
sugar, phosphate, and hydrogen molecules
D
proteins, carbohydrates, and lipids
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 the code from DNA carried by RNA
C
the formation of proteins using info coded on RNA carried out 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
CGT
B
UAC
C
TAT
D
GAT
9) Which of the following best describes the process in which mRNA is decoded into an amino acid during protein synthesis?
A
replication
B
transcription
C
transformation
D
translation
10) Using the following DNA sequence, TAC GTT TCG, determine the complementary bases that would be transcribed into a strand of mRNA.
A
CGT ACC CTA
B
AUG CAA AGC
C
ATG CAA AGC
D
UAG CUU UGC
*select an answer for all questions
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