Download Biology Exam 3 with Complete Solutions-Latest 2024 Update. and more Exams Biology in PDF only on Docsity! Biology Exam 3 with Complete Solutions-Latest 2024 Update. Bacterial (prokaryote) cells divide by: - > Binary Fission Replicate copies of each chromosome are called __________ and are joined at the __________. - > Sister chromatids / centromere During mitosis, the sister chromatids are separated and pulled to opposite poles during which stage? - > Anaphase Which part of the cell cycle is NOT part of Interphase? - > M The complex of DNA and proteins of which eukaryotic chromosomes are composed is called: - > Chromatin One of the two copies of a replicated chromosome, joined by a single centromere to the other strand is called a - > Chromatid At what phase of Mitosis is the cell in when the chromosomes align along the equator of the cell? - > Metaphase At what stage of mitosis does the nuclear membrane disintegrate and the nucleolus disappears? - > Prophase What pullsthe chromosomes apart during Anaphase? - > Microtubules The phase of the cell cycle when the cell actually divides into two daughter cells is called: - > Cytokinesis Cancers are essentially the result of what process? - > Loss of control over the normal cell reproductive cycle Meiosis occurs in the _________ cells, whereas mitosis occurs in _________ cells. - > Sex / Somatic Fertilization results in: - > All of the above: A zygote, A diploid cell, A cell with a new genetic combination. Mitosis results in two ________ cells, while meiosis results in _________ haploid cells. - > diploid / four The process of meiosis is also known as - > Reduction division Eggs and Sperm are known as - > Gametes During what state of meiosis does the crossing over of chromosomes occur? - > Prophase I If the haploid number of chromosomes in the chimpanzee is 24, the diploid number must be: - > 48 During the early phases of meiosis, homologous chromosomes become very closely associated, held together by an elaborate structure known as the - > Synaptonemal complex Which of the following is NOT a stage of aerobic respiration? - > Pyrimadine Oxidation In anaerobic cellular respiration, energy-depleted electrons are donated to an inorganic molecule. In fermentation, what molecule accepts those electrons - > An organic molecule The electrons generated from the Krebs cycle are first transferred to _________ and then are shuttled to ________. - > NAD+ / electron transport chain In the absence of sufficient glucose (derived from carbohydrates), an organism will begin to catabolize what other high-energy molecules? - > All of these: Proteins, Fats, Nucleic acids Who discovered the process of the citric acid cycle in aerobic respiration? - > Hans Krebs What process of cellular respiration generates the most ATP? - > Electron Transport Chain
