Projections on the surface of a virus allow the virus to do what?

Related Questions

• Which of the following does not accurately describe movement within plants? A. Changes in the concentration of nutrients affect the cause of movement of fluid through phloem. B. Movement of sugars within the xylem results from changes in concentration of water. C. Transpiration is the only force that drives water movement within a plant. D. Cohesion and adhesion contribute to capillary action, which contributes to water movement.
• Cells in organisms need food, air, and waste removal. how are these needs met? organs and tissues perform these functions for the cells. each cell must specialize in all of these functions. cells get their food from the air and sunlight around them. cells share their waste with other cells.
• Under which environmental conditions would asexual reproduction be most advantageous for the photoautotrophic dinoflagellate Peridinium limbatum?
• Unidirectional valves that prevent blood from flowing backward are found in the_______.
• Adult male humans generally have deeper voices than adult female humans due to higher levels of testosterone causing larynx growth. Excluding gender, the pattern apparent in the fossil record most closely resembles: A. Pansexual selection B. Directional selection C. Disruptive selection D. Stabilizing selection
• 1. Which of the following statements best describe the difference between angiosperms and gymnosperms? A. Angiosperms produce cones to protect their seeds; gymnosperm seeds are surrounded by fruit. B. Gymnosperms include fruit trees and ginkgos; angiosperms include conifers, spruces, and firs C. Gymnosperms are mostly adapted for wind pollination; angiosperms are mostly adapted for animal pollination. D. Angiosperms were the first to colonize land; Gymnosperms developed later than the more primitive angiosperms. 2. The outer covering of some land plants that helps slow water loss is called: A. Chlorophyll B. Chitin C. Cuticle D. Stomata 3. What adaptation of land plants helps it to control gas exchange with the atmosphere? A. Chitin B. Cuticle C. Stomata D. Chlorophyll 4. A plant that remains low to the ground and grows in moist conditions is most likely what type of plant? A. Vascular B. Nonvascular C. Angiosperm D. Gymnosperm 5. Terrestrial plants contain lignin to support the plant and vascular tissue to transport water and nutrients through the plant. What are these adaptations in response to? A. Heat B. Gravity C. Dryness D. Gas exchange
• How does the size of an animal affect its ability to regulate body heat?
• In Figure 12–5, what nucleotide is going to be added at point 2, opposite from guanine?     A. adenine B. thymine C. cytosine D. guanine
• How long does it take for blood to cycle through the body?
• What effect do beta blockers have on the heart?