Questions in Grade High-school

Questions in Grade High-school

[Done] In this phase of the scientific method, you would find yourself calculating the average measurements among your data. Which phase does this best describe? Select one: a. controlled experiment b. observation c. research d. analysis

[Done] A particular region experiences low average temperatures year-round, receives very little precipitation, and supports only small plants and a few animal species. To which major biome type does this region most likely belong?

[Done] By controlling what enters and leaves a cell, the cell membrane: A. aids in maintaining homeostasis within the cell. B. aids in maintaining homeostasis outside of the cell. C. aids in maintaining osmosis within the cell. D. aids in maintaining osmosis outside of the cell.

[Done] Ellen is jogging. As her body's metabolism becomes more active, carbon dioxide levels increase, resulting in a decrease in pH. Fortunately, her ___________ in the blood protect against large changes in pH. Select one: a. water b. DNA c. buffers d. lipids

[Done] In the human body, fibrinogen is necessary for sealing cuts and stopping the loss of blood. Since fibrinogen is made of chains of amino acids, it is an example of which type of organic molecule? A. Carbohydrate B. Protein C. Fatty acid D. Nucleic acid

[Done] The theory of continental drift suggests: A. The continents have moved in the past. B. The continents are slowly moving now. C. The continents have moved in the past and are still moving. D. The continents moved in the past but are not moving now.

[Done] Which of the following traits is acquired? 1. The ability of some gorillas to use sign language 2. The number of petals that grow in a plant's flower 3. The wing shape of a wild bird 4. A cheetah's ability to run faster than any other land animal

[Done] What tool was used to measure the depths of the ocean? What are the two pieces of equipment used to collect bottom samples on the Challenger? What was the newly invented piece of equipment used on the Challenger ship to get water samples called?

[Done] A person develops a disease in which her immune system attacks her own connective tissue. Where would this disease have the greatest impact? A. Tendons and cartilage B. Tendons and the epidermis C. Muscles and the spinal cord D. Muscles and bone

[Done] Which of the following must happen before the cell can go through mitosis? A. The cytoplasm must divide. B. The cell must copy its DNA. C. The spindle fibers must break down. D. The sister chromatids must separate.