George's cat had a litter of seven kittens. Four of the kittens are male. Three are female. Which set of symbols correctly describes the gender of the kittens? O XY, XY, XY, XY, XX, XX, XX O XX, XX, XX, XX, XY, XY, XY OY, Y, Y, Y, X, X, X OX, X, X, X, Y, Y, Y ​

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

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse