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Your science teacher asks you to build a model of a cell. The model should look like a city, and buildings in the city should represent parts of a typical cell. Each building’s real-life function should be like the function of the organelle it represents. For example, the vacuole of a cell, which stores water, could be a water tower in your cell city model. What building should represent the nucleus, and why? A) factory:manufacturing B) city hall:control center C) power plant:provides energy D) highways and streets:transportation

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Where would be the best place to find an alpine glacier A) Antarctica B) Greenland C) the Himalayas D) the North Pole

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DNA and RNA differ in all BUT one of the following ways. A) DNA is double-stranded, while RNA is single stranded. B) RNA uses the sugar ribose in its backbone, while DNA uses deoxyribose. C) DNA contains the base uracil, while RNA contains the base thymine instead. D) DNA is found in chromosomes in the nucleus, while RNA can move around the cell.

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Cells require glucose as a source of energy to carry out life processes. Large molecules like glucose cross the cell’s plasma membrane by A) being pumped through ion channels. B) active transport through protein channels. C) passive diffusion through the lipid bilayer. D) facilitated diffusion through protein channels.

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Which is an example of a eukaryote? A) Euglena B) AIDS virus C) lactobacillus Eliminate D) cyanobacteria

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DNA plays a major role in heredity, composing the genes that are passed down from parent to offspring. It also plays a major role in the everyday workings of your cells. It does this by creating molecules, such as enzymes, that regulate cell functions. These enzymes belong to a larger class of molecules known as A) RNA. B) proteins. C) ion pumps. D) amino acids.

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Non-coastal cities face what kind of danger from hurricanes? Question 10 options: Lightening Flooding High winds Storm surge Save

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DNA encodes the information necessary to produce the proteins needed by your body. While this is true for humans, is it the case for other organisms? A) No, humans are the only species to use DNA. B) Yes, all organisms use DNA for the production of proteins. C) It is true for all vertebrates, but not for invertebrates. D) No, mammals are the only organisms that use DNA for this purpose.

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Which statement below BEST summarizes the role of the DNA molecule in cells? A) guides cell division B) protects cells from infection C) provides the instructions for making proteins D) regulates the chemical processes that provide the cell with energy

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7. Potential energy is stored in ____________ __________.

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A tiny rocky island in the South Pacific is home to a very small food chain. Coconut palms grow on the island and drop coconuts. The coconuts are eaten by coconut crabs. The coconut crabs are then eaten by seals. According to an ecological energy pyramid, the seals would receive about ___________ of the energy that the crabs receive. A) 1% B) 10% C) 50% D) 100%

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Cold and salty deep ocean water A) rises and mixes with freshwater B) is lighter than warm surface water C) sinks further as salinity levels decreases D) is more dense than warm surface water

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Explain how in glycolysis that the splitting of one glucose molecule results in 4 ATP but there is only a net gain of 2 ATP.

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What is The two main types of ocean currents ? A) gyres and the Gulf Stream B) trade winds and westerlies C) deep currents and conveyor belt D) surface currents and deep currents

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In Edward Tolman’s experiments, the group of rats that ended up with the best results was the one that had __________. A. experienced continuous reinforcement B. received no reinforcement at all C. received reinforcement after eleven days D. received reinforcement for the first two days

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Which structure of the cell contains the cell’s genetic information?

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1. Explain how cells specialize to form specific tissue and organs.

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Which of the following statements demonstrate why it is important to practice maintaining one’s attention during the performance phase of self-regulation? A. Being easily distracted by events unrelated to one’s goal can interfere with goal accomplishment. B. Level of attention is important because it helps to increase motivation when working toward a goal. C. Level of attention increases support from self and others when working toward a goal. D. Amount of focus during goal performance influences self-regulation forethought.

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What would happen to a freshwater protozoan if removed from its normal habitat and placed into a saltwater pool? A) loss of water through osmosis B) gain of water through osmosis C) loss of water through active transport D) gain of water through active transport *Please help!

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Which of the following is most likely to be observed by a physiologist? A) ATP is made up of adenine, ribose, and a phosphate chain. B)Bone is a rigid connective tissue. C) Hormones control the rates of reactions and regulate blood pressure. D)The nervous system is composed of neural tissue.

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In humans, excess blood glucose is stored in the liver and in muscle tissue in the form of glycogen. Glycogen is a long chain of glucose molecules bonded together. Because of this, glycogen is called a __________ protein polysaccharide Monosaccharide lipid

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What happens to pyruvate molecules formed in glycosis in the absence of oxygen

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Deltas are formed by the accumulation of

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Frontal lobe neurons that fire when observing the behavior of others are called __________. A. reflective neurons B. mirror neurons C. replica neurons D. mimicking neurons

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What forms the structure called a coral reef? a. skeletons of coral animals b. deposits of coral rocks c. cementation of crystals d. particles of clastic rocks

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In some areas of the world, like California and Japan, earthquakes are a common occurrence. How can this best be explained? A) The strong ocean currents are undermining both areas causing earthquakes. Eliminate B) Both areas are subjected to strong ocean wind and waves that causes earthquakes. C) Both areas are located near the edge of the Pacific Ocean, the unstable sand causes earthquakes. D) Both areas are on the boundary of active plate margins, the motion of the plates causes earthquakes.

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Which organism has a single loop circulatory system A) dog B) fish C)frog D)human

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What is the result of a chromosome condensing

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Which feature do prokaryotic and eukaryotic cells share? A) nucleolus B) cytoplasm C) nuclear membrane Eliminate D) membrane-bound organelles

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Cell walls are made of cellulose in ____________ cells. A) animal B) bacteria C) fungal Eliminate D) plant

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