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OBJ 4 These are OBJ 2 – Warm-ups off of Spring 2006 – 10th grade Released TAKS Warm-up • The diagram shows different parts of a human sperm cell. Which part of the cell is most likely specialized for mobility? A. Part Q B. Part R C. Part S D. Part T Warm-up Which of these is a Hemoglobin carries oxygen to body function of the cells. Which body cell membrane in system contains all cells? hemoglobin? A. Producing cellular nutrients B. Preserving cellular wastes C. Neutralizing Chemicals D. Maintaining homeostasis A. Circulatory System B. Respiratory System C. Endocrine system D. Nervous System Data Management Activity The diagram shows 3 generations of cells produced by a single cell through mitosis. In the process, a single mutation occurred at the point indicated. The mutation caused changes within the dominant allele. How many of the 15 cells contain the mutation? Warm-up Which is a characteristic of members of the plant kingdom that distinguishes them from members of the animal kingdom? A. B. C. D. Storage of energy in chemical bonds Exchange of water with the environment Use of mRNA during protein production Use of chlorophyll for solar-energy transformations Data Management Activity If a plant that is homozygous tall is crossed with a short, wrinkled plant, what percentage of genotypes would most likely be found in the first-generation offspring? A. 50% TTss, 50% ttSS B. 100% TtSs C. 100% Ttss D. 50% TtSS, 50% ttSS Warm-up The picture above shows a normal DNA sequence. Which illustration shows a single base change in the sequence? Warm-up • The info in the box identifies some of the organs of the kitten. Which of the following is identical for every cell in each of the 4 organs? A. B. C. D. Amount of ATP Function of cell Size of cells Genes in DNA Data Management Activity • Pelicans prevent serious wing damage by entering the water in the manner shown above. Which 2 organ systems in the pelican work together to accomplish this maneuver? A. Circulatory, Nervous B. Nervous, Muscular C. Muscular, Digestive D. Digestive, Circulatory Data Management Activity • Knowledge of which of these is the most important in classifying this new organism into a kingdom? A. . The color of light absorbed by the organism B. The type of radiation emitted C. The use of photosynthesis D. The color of the organism Data Management Activity Which best explains the difference in size between male and female sea lions? A. Orcas and sharks prey on sea lions B. Male and female sea lions hunt at land and sea C. Sea lions hold their breath while diving D. Males compete with one another for females