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BJU Life Science 5 Test

Enter the letter for the matching Answer
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1.
nucleotide
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2.
RNA (ribonucleic acid)
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3.
meiosis
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4.
asexual reproduction
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5.
diploid
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6.
anaphase
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7.
DNA (deoxyribonucleic acid)
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8.
haploid
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9.
DNA replication
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10.
prophase
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11.
interphase
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12.
codon
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13.
gene
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14.
cell division
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15.
gamete
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16.
transcription
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17.
tRNA (transfer RNA)
A.
The basic structural unit of DNA and RNA; contains a sugar, a phosphate, and a base.
B.
A haploid cell that contains only one of each type of chromosome found in an organism; an egg or sperm
C.
Having two of each type of chromosome in the cells of an organism;human diploid number is 46
D.
The process of forming two DNA molecules from one original DNA molecule.
E.
A nucleic acid made of a single chain of nucleotides; functions with ribosomes to form proteins
F.
The phase of a cell's life cycle before cell division; genes are copied during this period.
G.
The RNA molecule that transfers amino acids to the messenger RNA.
H.
A sequence of three nucleotides in a DNA molecule; each codon identifies an amino acid to be used in the protein coded by the DNA.
I.
The third phase of mitosis; during this phase the daughter chromosomes move to opposite ends of the spindle.
J.
The manufacture of a single mRNA strand from a DNA molecule.
K.
A segment of DNA in which the sequence of nucleotides codes for a specific protein (or part of a protein), which in turn contributes to a specific characteristic.
L.
The nucleic acid that carries genetic information; usually found in the nucleus.
M.
The division of one cell into two cells; includes mitosis and cytokinesis.
N.
The production of a new organism without the joining of gametes; reproduction that takes place by mitotic cell division.
O.
The process whereby one diploid cell forms haploid cells (gametes).
P.
Having only one of each chromosome normally found in the cells of an organism, such as in gametes;human haploid number is 23.
Q.
The first phase of mitosis; when chromosomes coil and sister chromatids become obvious.
Type the Question that corresponds to the displayed Answer.
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18.
The RNA molecule that transports a coded message from the nucleus to the cytoplasm.
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19.
The division of the cytoplasm during the process of cell division.
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20.
The second phase of mitosis; the chromosomes align by their centromeres across the middle of the spindle.
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21.
The formation of a zygote from the union of two gametes.
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22.
The last phase of mitosis; when sister chromatids reach the ends of the spindle and the nucleus re-forms.
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23.
The joining of haploid gametes to form a diploid zygote, which develops into a new individual.
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24.
A diploid cell formed by the union of two gametes
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25.
The duplication and separation of a cell's chromosomes; usually followed by cytokinesis.
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26.
A strand of DNA with associated proteins; usually found in the nucleus of a cell; the basis of heredity.
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27.
The manufacturing of protein inside a cell.

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