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If a bacterial protein contains 5 amino acids, the messenger RNA that would direct its manufacture would have at least ___________ nucleotides. |
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The order in which the stages of mitosis proceed is |
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prophase, metaphase, anaphase, telophase, interphase. |
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Both a base and a phosphate are attached ____ in a nucleotide. |
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Egg cells are fertilized in the |
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The cells that become eggs that a woman ovulates at age 40 were initially produced |
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When a gene picks up nucleotides to build its noncoding strand, this is known as |
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These enzymes have the ability to cut DNA at places where specific sequences of nucleotides occur. |
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During which of the following stages of meiosis is the cell diploid? |
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In meiosis, centromeres split in |
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Homologous chromosomes separate during |
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The correct answer is: anaphase I |
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The process of translation can be broken down into three basic steps. Which of the following is NOT one of these |
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Chromosomes move toward the poles during |
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During which of the following stages of the cell cycle does DNA replication take place? |
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If a body cell has 8 chromosomes (e.g., fruit fly), how many pairs will form during Prophase II? |
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The structure that transports sperm cells from the epididymis to the urethra is the |
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Sperm cells are moved out of the testes in the |
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In humans, egg production (oogenesis) differs from sperm production (spermatogenesis) in that oogenesis |
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When the chromosomes have moved around so that they all lie on a plane in the middle of the cell, the stage is called |
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During prophase ____ are formed |
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Which of the following most closely describes the cervix? |
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a region between the uterus and vagina |
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If a bacterial protein contains 5 amino acids, the messenger RNA that would direct its manufacture would have at least ___________ nucleotides. |
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The technique used to accomplish cloning in vertebrates is called |
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somatic cell nuclear transfer. |
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An organelle found in animals and involved in cell division is the |
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During which of the following stages of meiosis is the cell haploid? |
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A single-stranded, straight chain copy of a coding strand of DNA that comes from the process of transcription is |
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DNA that contains "foreign" genes from another organism |
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When homologous chromosomes are at the equator of the cell, it is in |
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Which of these results in the production of only one gamete as a result of meiosis? |
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Spindles disappear during |
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Centromeres separate allowing the chromatids to move toward the poles in |
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are the result of one fertilized egg dividing to become two individuals. |
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DNA replication occurs during |
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If a drug interferes with the activities of transfer RNA, which one of the following is likely to occur? |
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Proteins will not be produced. |
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Bacterial cells pick up a recombinant DNA by taking it in through their outer cell boundaries using a process called |
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Oogenesis normally produces ____ gamete(s) from one germ cell |
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During which stage do two tRNAs properly align their two amino acids so that they may be chemically attached to one another? |
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In what mitotic stage does the cytoplasm divide? |
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This is the process a cell goes through to become a particular cell type, based on the proteins that it expresses and is more-or-less a permanent condition. |
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The centromere divides during |
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Chromosome number reduces during |
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This is the process a cell goes through to select which genes it will express. |
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During which of the following stages of meiosis does the cell contain the greatest amount of DNA |
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Which one of the following is necessary for messenger RNA to be formed in the nucleus? |
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RNA polymerase must be present and functioning. |
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This is the more technical term used by scientists to describe the carrier DNA molecule used when cloning genes. |
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What is the term used to describe segments of eukaryotic pre-mRNA that are removed in the final synthesis of mature mRNA? |
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The process of manufacturing RNA from template DNA is |
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If an organism proceeds through meiosis and produces sex cells with 32 chromosomes (e.g., a horse), the cells of the horse's brain will each contain ______ chromosomes. |
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This occurs when insertions or deletions cause the ribosome to read the wrong sets of three nucleotides. |
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Nondisjunction in humans can result in |
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