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Semester 2 Final Practice Test
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1. Variations can result in ___. Choose all that apply.
Mutations Speciation Extinction Geographic isolation Competition
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2. A requirement for evolution to happen is to have
variation between individuals. variation between populations. variation between species. variation between kingdoms.
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3. The mRNA nucleotide sequence is determined by the ___ nucleotide sequence.
tRNA rRNA amino acid DNA nucleic acid
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4. Which of the following BEST describes tRNA charging?
tRNA carries amino acid to ribosome tRNA moves out of the nucleus tRNA attaches to its anticodon tRNA attaches to its amino acid tRNA attaches to its codon
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5. The nucleus is made during ___.
Anaphase Cytokinesis Interphase Metaphase Prophase telophase
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6. To remove DNA from an organism’s genome, which process is used?
Gene therapy Restriction digest Ligation DNA fingerprinting Transformation
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7. The cell is considered diploid when
the chromatids are doubled. meiosis is completed. it has homologous chromosomes. it has daughter chromosomes. it can divide four times.
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8. A recessive allele is found on the X chromosome
8. A recessive allele is found on the X chromosome. Fathers will pass the condition to which of his children (assume his wife is not a carrier)? all his daughters half his daughters all his sons none of his children
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9. All of these describe the phenotype EXCEPT for ___.
alleles height adaptations traits variations
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10. Which of these does NOT describe a diploid cell
10. Which of these does NOT describe a diploid cell? Choose all that apply. Gametes Somatic cells Results from mitosis Found at the start of meiosis 1n 2n
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11. Which hormones stimulate the release of estrogen & progesterone
11. Which hormones stimulate the release of estrogen & progesterone? Choose all that apply. FSH GnRH HCG LH oxytocin
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12. Which of these is LEAST likely to lead to speciation?
Adaptation Evolution Gene flow Reproductive isolation
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13. Protein is found in all of the following EXCEPT for ___.
Cholesterol Enzymes Keratin myosin
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14. Each strand of a double-stranded chromosome is known as ___.
A centromere A daughter Homologous A chromatid
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15. Chromosomes that code for the same genes but are not identical are called ___.
Chromatids Chromatin Daughters Homologous Sisters
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16. Which of the following is NOT a product of meiosis?
1n cells Gametes Haploid cells Somatic cells
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17. Which of the following will result in sticky ends?
Cloning Restriction digest Gel electrophoresis Transformation Ligation
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18. Which chromosomes are NOT considered homologous?
Autosomal X chromosomes X & Y chromosomes None of these
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19. Both the ovaries & testes are types of ___.
Gonads Gametes Travel tubes Glands
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20. If you don’t notice your skin stretch, which sensory receptors aren’t working?
Pain receptors Chemoreceptors Thermoreceptors Photoreceptors Mechanoreceptors
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