Protein synthesis is a multistep process. Put the steps of protein synthesis in sequential order.
What will be an ideal response?
1. The DNA code is transferred...
2. Messenger RNA...
3. Transfer RNA...
4. Polypeptide chain...
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Clayton is a 19-year-old college student. He avoids milk, because he claims drinking the beverage upsets his stomach and gives him intestinal "gas." However, he can eat yogurt and certain types of cheese without experiencing any symptoms. Based on this information, Clayton probably has
A. amylase deficiency. B. botulism poisoning. C. lactose intolerance. D. cystic fibrosis.
Which of the following vitamins can be made by the human body?
A. D B. B-12 C. C D. Thiamin
Which of the following statements about lead exposure is false?
A) Lead toxicity can occur from exposure to contaminated soil, water, and air. B) It can take over a year of treatment to reduce blood lead levels. C) Lead can stay in the body for 20 years or more and is principally stored in the bones. D) Lead exposure in children has increased in recent decades.
This diagram of the brain shows the location of the hypothalamus, the organ that controls hunger. The _____ controls appetite, and can override the signals from the hypothalamus
1.thalamus
2.pituitary
3.spinal cord
4.cortex
5.salivary gland