Answer the following question given this paragraph: An enzyme is a protein that acts as a biological catalyst. Recall that a catalyst is a substance that increases the rate of a chemical reaction without itself being consumed in the reaction. Cellular processes consist of many chemical reactions that must occur quickly in order for the cell to function properly. Enzymes catalyze most of the chemical reactions that occur in a cell. A substrate is the molecule or molecules on which the enzyme acts. In the urease catalyzed reaction above, urea is the substrate. The Figure below diagrams a typical enzymatic reaction. Q: What term is used to describe a protein that acts as a biological catalyst? Choices: - nucleus - protein - heterozygote - enzyme A:
enzyme
(Question)
Answer the following question given this paragraph: In the solar system, the planets orbit around the Sun. The Sun and each of the planets of our solar system are round. Earth is the third planet from the Sun. It is one of the inner planets. Jupiter is an outer planet. It is the largest planet in the solar system at about 1,000 times the size of Earth. The Sun is about 1,000 times bigger than Jupiter! ( Figure below ). Q: What do the planets orbit around in the solar system? Choices: - the moon - the Earth - the Milky Way - the sun A:
(Answer)
the sun
Ques: Answer the following question given this paragraph: Viewing distant stars is looking back in time. The stars we see are many thousands of light years away, which means the light takes many thousands of years to reach us. Thus the stars we see in the sky are how they looked thousands of years ago. Q: The distance of stars is measured in what terms, meaning the light takes many thousands of years to reach us? Choices: - light months - light decades - light hours - light years A:
Ans: light years
(Q).
Answer the following question given this paragraph: On the far right are X rays and gamma rays. The have the shortest wavelengths and highest frequencies of all electromagnetic waves. They also have the greatest amount of energy. Q: X rays and what other type of electromagnetic wave has the shortest wavelengths and the highest frequencies? Choices: - ultraviolet rays - X-rays - plasma rays - gamma rays A:
(A).
gamma rays
Ques:Answer the following question given this paragraph: The Moon has a crust, mantle, and core. Q: The moon has a crust, mantle, and a? Choices: - ice cap - magnetic field - mountain range - core A:

Ans:core
Ques:Answer the following question given this paragraph: REVIEW QUESTIONS 4. Which form of reproduction is thought to be best in a stable environment? a. asexual b. sexual c. budding d. parthenogenesis 5. Which form of reproduction can result from damage to the original animal? a. asexual b. fragmentation c. budding d. parthenogenesis 6. Which form of reproduction is useful to an animal with little mobility that reproduces sexually? a. fission b. budding c. parthenogenesis d. hermaphroditism 7. Genetically unique individuals are produced through ________. Q: Asexual, sexual, budding, and parthenogenesis are all forms of what? Choices: - photosynthesis - hibernation - absorption - reproduction A:

Ans:
reproduction