input with options: Answer the following question given this paragraph: Humans need lipids for many vital functions such as storing energy and forming cell membranes. Lipids can also supply cells with energy. In fact, a gram of lipids supplies more than twice as much energy as a gram of carbohydrates or proteins. Lipids are necessary in the diet for most of these functions. Although the human body can manufacture most of the lipids it needs, there are others, called essential fatty acids , that must be consumed in food. Essential fatty acids include omega-3 and omega-6 fatty acids. Both of these fatty acids are needed for important biological processes, not just for energy. Q: Humans need lipids for many vital functions such as storing energy and forming what? A:
OPTIONS:
- ionic bonds
- zygotes
- enzymes
- cell membranes
output: cell membranes

Q: Answer the following question given this paragraph: Water infiltrates the ground because soil and rock are porous. Between the grains are pores, or tiny holes. Since water can move through this rock it is permeable. Eventually, the water reaches a layer of rock that is not porous and so is impermeable. Water stops moving downward when it reaches this layer of rock. Q: Why does water infiltrate the ground? A:

OPTIONS:
- gravity
- prolonged drought conditions
- run-off from flooding
- because soil and rocks are porous

A: because soil and rocks are porous

input: OPTIONS:
- southwest and south
- east and west
- west and south
- north and south Now, answer this question: Answer the following question given this paragraph: A magnet is an object that attracts certain materials such as iron. You're probably familiar with common bar magnets, like the one shown in the Figure below . Like all magnets, this bar magnet has north and south magnetic poles . The red end of the magnet is the north pole and the blue end is the south pole. The poles are regions where the magnet is strongest. The poles are called north and south because they always line up with Earth's north-south axis if the magnet is allowed to move freely. (Earth's axis is the imaginary line around which the planet rotates. ). Q: What are the earth's two poles called? A:
A:
output: north and south

Answer the following question given this paragraph: Ribosomes are small organelles and are the site of protein synthesis. Ribosomes are found in all cells. Q: What are small organelles and are the site of protein synthesis? A:

OPTIONS:
- nucleus
- vacuoles
- chloroplasts
- ribosomes

Answer: ribosomes

Problem: OPTIONS:
- pipe joint
- toe joint
- frame joint
- hinge joint
Q: Answer the following question given this paragraph: Hinge Joints In hinge joints, the slightly rounded end of one bone fits into the slightly hollow end of the other bone. In this way, one bone moves while the other remains stationary, like the hinge of a door. The elbow is an example of a hinge joint. The knee is sometimes classified as a modified hinge joint (Figure 38.28). Q: The elbow is an example of a what type of joint? A:
Answer: hinge joint

Answer the following question given this paragraph: Commensalism is a symbiotic relationship in which one species benefits while the other species is not affected. An example is the relationship between birds called cattle egrets and cattle (see Figure below ). Cattle egrets feed on insects. They follow cattle herds around to take advantage of the insects stirred up by the feet of the cattle. The egrets get ready access to food from the relationship, whereas the cattle are not affected. Q: What is the term for a symbiotic relationship in which one species benefits while the other species is not affected? A:

OPTIONS:
- parasitism
- mutualism
- pollenation
- commensalism

Answer:
commensalism