Four students have done a nice job drawing membrane models. Which model does the best job of showing osmosis? a. Thomas. Student-drawn membrane model within a rectangular box. From left to right there is an upper and lower line spaced moderately apart. b. Three identical structures are dispersed across the lines consisting of a left and right apple-wedge shape with their flat ends facing across a narrow gap. c. Numerous orange dots fill the box above the structure, and three orange down-arrows are centered within each of the three gaps. d. The arrows start in the box near the orange dots and end in the space beneath the structure.

1. environmental factors, such as ph and temperature, can affect the function of an enzyme. a. true b. false 2. which of the following is an organic molecules (ex. vitamins) that an enzyme? a. coenzyme b. product c. active site d. substrate 3. how do enzymes effect the speed of a chemical reaction? a. they speed it up b. they slow it down c. they have no effect on the speed of a reaction 4. during a chemical reaction, an enzyme is used up so that it can only be used one time. a. true b. false 5. which of the following results from a chemical reaction that is catalyzed by an enzymes? a. active site b. product c. substrate d. coenzyme

Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses

Round seeds and yellow seed color are dominant to wrinkled seeds and green seed color. which punnett square represents the correct way to set up the cross rryy  ´  rryy?