Answer the following question given this paragraph: The forelimbs of all mammals have the same basic bone structure. Q: Which part of all mammals have the same basic bone structure? Choices: - ankles - knees - necks - forelimbs A:
forelimbs
(Question)
Answer the following question given this paragraph: Epithelial tissue from epithelium. Below this is dermis, thicker and with blood vessels. Two specialized epithelia: pseudostratified transitional Pseudostratified epithelia lines the trachea (where it is ciliated)and the male urethra (where it is non ciliated), looks stratified but not. Transitional epithelia found only in bladder and urinary system. As it stretches it appears to go from 6 to 3 cell layers deep. Glandular epithelia (gland: group of cells that excretes something. mostly derived from epithelium. Glands are classified into endocrine and exocrine by where they excrete. Endocrine glands secrete hormones into the blood without use of ducts. Exocrine glands secrete onto the body surface or into a cavity, thru a duct. Exocrine substances include sweat, mucous, oil, and saliva. An exocrine gland is the liver, which secretes bile. Q: Is sweat an exocrine or endocrine substance? Choices: - neither - both - exocrine - exocrine A:
(Answer)
exocrine
Ques: Answer the following question given this paragraph: Not long after Wegener's death, scientists recognized that there is convection in the mantle. Deeper material is hotter and so it rises. Near the surface, it becomes cooler and denser so it sinks. This creates a convection cell in the mantle. Q: How does deeper material cause convection in the mantle? Choices: - remains stable - folds - sinks then rises - rises then sinks A:
Ans: rises then sinks
(Q).
Answer the following question given this paragraph: Thermal energy can be trapped in Earth's atmosphere by gases such as CO2, water vapor, methane, and chlorofluorocarbons before it can be radiated into spacelike the effect of a greenhouse. It is not yet clear how large an increase in the temperature of Earth's surface can be attributed to this phenomenon. Venus is an example of a planet that has a runaway greenhouse effect. The atmosphere of Venus is about 95 times denser than that of Earth and contains about 95% CO2. Because Venus is closer to the sun, it also receives more solar radiation than Earth does. The result of increased solar radiation and high CO2 levels is an average surface temperature of about 450C, which is hot enough to melt lead. Data such as those in Figure 5.22 "Changes in Atmospheric CO" indicate that atmospheric levels of greenhouse gases have increased dramatically over the past 100 years, and it seems clear that the heavy use of fossil fuels by industry is largely responsible. It is not clear, however, how large an increase in temperature (global warming) may result from a continued increase in the levels of these gases. Estimates of the effects of doubling the preindustrial levels of CO2 range from a 0C to a 4.5C increase in the average temperature of Earth's surface, which is currently about. Q: Gases such as co2 and methane can trap what energy in earth's atmosphere, before radiating it into space? Choices: - mechanical energy - sunlight energy - potential energy - thermal energy A:
(A).
thermal energy
Ques:Answer the following question given this paragraph: Q: Binding of acetylcholine to receptors on the muscle fiber leads to a? Choices: - repolarization - conduction - excitation - depolarization A:

Ans:depolarization
Ques: Answer the following question given this paragraph: Often, a worker will need to change the concentration of a solution by changing the amount of solvent. Dilution is the addition of solvent, which decreases the concentration of the solute in the solution. Concentration is the removal of solvent, which increases the concentration of the solute in the solution. (Do not confuse the two uses of the word concentration here!) In both dilution and concentration, the amount of solute stays the same. This gives us a way to calculate what the new solution volume must be for the desired concentration of solute. From the definition of molarity,. Q: Concentration is the removal of solvent, which increases the concentration of what? Choices: - vapor - sodium - Water - solute A:
Ans:
solute