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Questions in biology

[Terjawab] Skin color, fur color, and height are examples of which inheritance pattern? A. Mendelian inheritance B. incomplete dominance C. codominance D. polygenic inheritance

[Terjawab] Which of the following produces no change in a phenotype? A. Point mutation B. DNA rearrangement C. Silent mutation D. Transformation

[Terjawab] Which fossils are formed by sediments and found in sedimentary rock? A. a mold of a fish skeleton and a cast of a clamshell B. a cast of a clamshell and a frozen animal C. a frozen animal and a piece of petrified wood D. a piece of petrified wood and a preserved insect

[Terjawab] Which event (or events) occur in the anaphase I phase of meiosis I? A. Condensing of the chromosomes, homologous chromosomes form tetrads, crossing over occurs B. Nuclear membrane begins to form, and a cleavage furrow begins to develop C. Tetrads align along the metaphase plate D. Homologous chromosomes are pulled apart to opposite poles

[Terjawab] What type of selection relates to the average birth weight of human babies? A. Diversifying selection B. Directional selection C. Stabilizing selection

[Terjawab] Which of the following correctly states a difference between protein synthesis in prokaryotes and protein synthesis in eukaryotes? A. Eukaryotes, but not prokaryotes, synthesize an mRNA strand from a DNA template. B. Prokaryotes, but not eukaryotes, use ribosomes to synthesize proteins. C. Eukaryotes, but not prokaryotes, require energy to carry out protein synthesis. D. Prokaryotes, but not eukaryotes, undergo transcription and translation simultaneously.

[Terjawab] I. FILL IN THE BLANKS 1. _____ are big, strong and tall plants. 2. The thick, brown, and woody stem of trees is known as _____ 3. _____ usually live for many years. 4. _____ are small and weak plants. 5. _____ are used as medicines and to add flavor to food. 6. _____ have thin, green, and soft stems. 7. _____ are small to medium sized woody plants. 8. _____ have many thin, brown, and woody stems. 9. Shrubs are also called _____ 10. The fruit of a rose plant is called _____ 11. _____ are plants with weak stems that cannot stand straight and support to grow. 12. _____ have weak stems that bear heavy fruits. 13. The place in which a plant survives is called its _____ 14. Plants that grow on land are called _____ plants.

[Terjawab] What is a taxonomic key?

[Terjawab] Bacteria cannot grow in temperatures below 41 degrees F. A. True B. False

[Terjawab] What is an example of a starch? Select one: A. Cane sugar B. Fruit C. Milk D. Grains