Which of the following metabolic reactions occurs when a cell uses energy?
a. ATP gains a phosphate group and becomes ADP
b. ADP gains a phosphate group and becomes ATP
c. ATP releases a phosphate group and becomes ADP
d. ADP releases a phosphate group and becomes ATP
c
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A couple trying to become pregnant for six months without success sought medical care. The husband had a body mass index of 28 and the woman had irregular menses. During their medical visit, the woman mentioned that she had lost 10 pounds one month ago because she was worried about gaining too much weight in pregnancy. What types of dietary or lifestyle behaviors would be important to discuss?
What may cause EKG abnormalities?
a. high serum potassium levels b. low serum potassium levels c. low serum sodium levels d. high serum sodium levels
How does sugar promote tooth decay?
A) Bacteria ingest the sugar and produce acids that erode tooth enamel. B) Sugar erodes the tooth enamel directly. C) The saliva mixes with the sugar and the saliva erodes the tooth enamel. D) Sugar does not promote tooth decay as previously thought. E) Fungi ingest the sugar and produce acids that erode tooth enamel.
Discuss food sources for vitamin C: What foods are the best sources? What other foods can be important sources? What foods are poor sources?
What will be an ideal response?