Questions in Grade High-school

Questions in Grade High-school

[Done] A company donates 1% of every customer purchase made on their store credit card to charity. This company had one store location that donated a total of $19,932.81 to charity from last month's credit card purchases. What was the approximate total amount of the customer store credit card purchases from last month at this location?

[Done] Solve the proportion: \[ \frac{x-9}{3} = \frac{5}{13} \]

[Done] What is the main function of the circulatory system in multicellular organisms? A. To bring oxygen into the lungs B. To put carbon dioxide into all blood vessels C. To expel waste products from the body D. To transport materials throughout the body

[Done] What kind of pyramid of numbers and pyramid of biomass will be formed in a forest with 75 tigers, 5,000 deer, and 100,000 trees? A. Both pyramids will be upright. B. Both pyramids will be inverted. C. No pyramid can be formed.

[Done] All of the reactions of glucose oxidation that follow glycolysis, and involve the transfer of electrons to their final acceptor, take place in eukaryotic cells in the ___________. A. chloroplasts B. nucleus C. mitochondria D. plasma membrane

[Done] Which scenario most likely reveals an organism lacking the proper reactants for cellular respiration? A. A tree responding to a fungal infection B. A bacteria undergoing cell division C. An exhausted bear D. A failed hunting attempt by a cougar E. A migrating butterfly

[Done] If we place an enzyme in a strongly acidic pH, which of these is most likely to happen? A. The reaction will happen much faster at the extreme acidity. B. The reaction will not happen. C. The reaction will occur as if the enzyme were at neutral pH.

[Done] Which of the following is not a function or purpose of the cell membrane? Select one: A. Keep toxins out of a cell B. Provide physical support and protection for the cell C. Maintain equilibrium D. Act as a barrier between two different chemical environments

[Done] A botanist wants to observe the change in the rate of growth of plants compared to the change in the amount of rainfall on randomly selected days. Which one of the following tools would be the best choice for representing this data? A. Histogram B. Line and scatter plot C. Bar chart

[Done] We gain energy from eating plants. Plants can't create their energy; they must first get it from the Sun. This statement is _ according to the _ law of thermodynamics. A. true; first B. true; second C. false; first D. false; second