Answer the following question given this paragraph: Q: The eyes of all vertebrates possess a single one of these structures? Choices: - vessel - sty - stalk - lens A:
lens
(Question)
Answer the following question given this paragraph: Q: Salts are important in maintaining what balance of the blood? Choices: - kinetic - homeostasis - pulmonary - osmotic A:
(Answer)
osmotic
Ques: Answer the following question given this paragraph: rates The rates at which reactants are consumed and products are formed during chemical reactions vary greatly. We can identify five factors that affect the rates of chemical reactions: the chemical nature of the reacting substances, the state of subdivision (one large lump versus many small particles) of the reactants, the temperature of the reactants, the concentration of the reactants, and the presence of a catalyst. Q: The presence of what, which acts as a trigger, affects the rate of chemical reaction? Choices: - friction - heat - light - catalyst A:
Ans: catalyst
(Q).
Answer the following question given this paragraph: Pressure is what results when gas particles rebound off the walls of their container. The basic unit of pressure is the newton per square meter (N/m2). This combined unit is redefined as a pascal (Pa). One pascal is not a very large amount of pressure. A more useful unit of pressure is the bar, which is 100,000 Pa (1 bar = 100,000 Pa). Other common units of pressure are the atmosphere (atm), which was originally defined as the average pressure of Earth's atmosphere at sea level; and mmHg (millimeters of mercury), which is the pressure generated by a column of mercury 1 mm high. The unit millimeters of mercury is also called a torr, named after the Italian scientist Evangelista Torricelli, who invented the barometer in the mid1600s. A more precise definition of atmosphere, in terms of torr, is that there are exactly 760 torr in 1 atm. A bar equals 1.01325 atm. Given all the relationships between these pressure units, the ability to convert from one pressure unit to another is a useful skill. Q: What results when gas particles rebound off the walls of their container? Choices: - light - pull - weight - pressure A:
(A).
pressure
Ques:Answer the following question given this paragraph: Within seconds of birth, the umbilical cord is cut. Without this connection to the placenta, the baby can't exchange gases, so carbon dioxide quickly builds up in the baby's blood. This stimulates the baby's brain to trigger breathing, and the newborn takes her first breath. Q: What structure connects the fetus to the placenta, allowing the exchange of gases? Choices: - sediment cord - skin cord - belly button - umbilical cord A:

Ans:umbilical cord
Answer the following question given this paragraph: Genetically Engineering Bacteria to Produce a Human Protein. Bacteria can be genetically engineered to produce a human protein, such as a cytokine. A cytokine is a small protein that helps fight infections. Q: What is a small protein that helps fight infections? Choices: - phenotype - zygote - glutamate - cytokine A:
cytokine