You are on a diet and eating less than 50 grams of carbohydrate per day. The claim made in the diet educational materials is that carbohydrate is the main culprit in being overweight, so it must be restricted. Which of the following will happen as a result of this low carbohydrate diet?
a. Proteins in muscles, heart, and other vital organs will be broken down into amino acids to make needed glucose, over time weakening the muscles and organs.
b. Fat will be broken down and used as the exclusive fuel, leading to considerable fat loss and little health risk.
c. Ketones will be produced from partial protein metabolism to be used for energy.
d. Fat will be broken down and converted to glucose that will be used as the primary energy source.
a. Proteins in muscles, heart, and other vital organs will be broken down into amino acids to make needed glucose, over time weakening the muscles and organs.
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The function of integrin-linked kinase during integrin-based signaling is
A) integrin activation. B) anchorage-dependent growth. C) scaffolding protein. D) cell movement. E) anchorage-independent growth.
Which of the following statements about transmission electron microscopy is CORRECT?
A) Three-dimensional images are produced. B) Lasers are used for visualization. C) Up to 1,000,000X magnification may be achieved. D) Living specimens may be used. E) Stains can be applied to create a color image.
The complex of DNA, RNA, and associated proteins that gives shape to the chromosome is called ____
Fill in the blank with the appropriate word.
Which species is considered most ancient?
a. Homo erectus b. Australopithecus afarensis c. Australopithecus africanus d. Homo sapiens e. Sahelanthropus tchadensis