Bio 3rd MP Exam Review Question Preview (ID: 18665)


This Is A Review For The Benchmark Assessment For The 3rd Marking Period. TEACHERS: click here for quick copy question ID numbers.

Sperm or egg cells produced during meiosis have _?_ chromosomes as the parent cell.
a) the same number of
b) half as many
c) twice as many
d) 4 times as many

Mitosis occurs in which type of cell?
a) gametes
b) body cells(somatic)
c) plant cells only
d) sperm and egg cells

If the diploid number of chromosomes in a body cell is 46, then the haploid number is:
a) 12
b) 23
c) 64
d) 92

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 cytosine and guanine always pairs with thymine
c) adenine always pairs with uracil and guanine always pairs with cytosine
d) adenine always pairs with thymine and cytosine always pairs with guanine

What is the complementary strand of DNA for the sequence ‘ATTGCA’?
a) UAACGU
b) CGGTAC
c) TAACGT
d) ATTGCA

DNA is made up of repeating subunits called nucleotides. A nucleotide is composed of:
a) proteins, carbohydrates, and lipids
b) sugar, proteins, and nitrogen bases
c) sugar, phosphate, and nitrogen bases
d) sugar, phosphate, and hydrogen molecules

Which of the following statements best summarizes the process of protein synthesis?
a) the formation of proteins using the code from DNA carried 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 info coded on RNA carried out by DNA

Based on your knowledge of RNA, which of the following is an RNA codon?
a) TAT
b) CGT
c) UAC
d) GAT

Which of the following best describes the process in which mRNA is decoded into an amino acid during protein synthesis?
a) translation
b) transformation
c) replication
d) transcription

Using the following DNA sequence, TAC GTT TCG, determine the complementary bases that would be transcribed into a strand of mRNA.
a) ATG CAA AGC
b) UAG CUU UGC
c) CGT ACC CTA
d) AUG CAA AGC

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