Biochemistry 3rd Edition Guinn update Q & A LATEST
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Biochemistry 3rd Edition Guinn
Name: Class: Date:
Chapter 2 Atomic Structure and Radioisotopes
1. What is a micronutrient?
a. an element required at only certain times during your life
b. an essential element needed in quantities less than 10 g/day
c. an essential element needed in quantities less than 100 mg/day
d. a nonessential element, useful in small quantities
e. nutrients needed in large quantities ANSWER: c
2. What is a common symptom of iodine deficiency?
a. weak bones and teeth
b. enlarged thyroid
c. anemia
d. slow wound healing
e. All of these are common symptoms.
ANSWER: b
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, DOWNLOAD THE Test Bank for Essentials of General Organic and
Biochemistry 3rd Edition Guinn
Name: Class: Date:
Chapter 2 Atomic Structure and Radioisotopes
3. _____ is an important component of hemoglobin. Without this protein, tissues become starved of oxygen, and
fatigue and shortness of breath results.
a. Iodine
b. Fluorine
c. Zinc
d. Iron
e. Oxygen ANSWER: d
4. _____ is most commonly ingested along with salt.
a. Iodine
b. Fluorine
c. Zinc
d. Iron
e. Oxygen ANSWER: a
5. Adding _____ to drinking water is a common practice in many cities, meant to strengthen tooth enamel and
decrease dental cavities. a. iodine
b. fluorine
c. zinc
d. iron
e. oxygen ANSWER: b
6. _____ is an important component of the immune system as well as required by many enzymes. a. Iodine
b. Fluorine
c. Zinc
d. Iron
e. Oxygen ANSWER: c
7. Which diagram of an atom BEST represents the scale of the nucleus and electrons?
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