Consider the refrigerator in your kitchen. Based on what you know about the first and second laws of thermodynamics, how does a refrigerator most likely work?
a. A refrigerator both destroys any heat in its interior, or in the food it contains, and creates new energy in the form of cold.
b. A refrigerator removes the potential energy contained within food.
c. A refrigerator removes heat from its interior and transports this energy outside, into the kitchen.
d. A refrigerator creates new energy, although it is in the form of cold rather than heat.
e. A refrigerator destroys any heat in its interior, or in the food it contains.
Answer: c. A refrigerator removes heat from its interior and transports this energy outside, into the kitchen.
You might also like to view...
Which of the following information led scientists to believe that archaeans belong to their own distinct
domain?
a. They have a cell wall synthesized from a unique carbohydrate. b. The genetic material of archaeans is RNA, not DNA. c. Many archaeans live in extreme environments tolerated by no other organisms. d. Archaeans do not utilize ATP to do cellular work. e. Archaeans have unique cellular structures not found in either eukaryotic or prokaryotic cells.
Cephalization refers to
a. a type of symmetry. b. a type of segmentation characteristic of lower forms of life. c. a group of protective cells found in the tentacles of a polyp. d. a transitional state in the life cycle of a jellyfish. e. none of these.
If the wound is open, the surface should be cleaned prior to collecting a wound culture. ?
Indicate whether the statement is true or false
Biological membranes contain bilayers containing mostly ________.
A. prostaglandins B. oils C. cholesterol D. phospholipids E. triglycerides