This topic contains a solution. Click here to go to the answer

Author Question: A vitamin is A) a nutrient involving trace metals that is necessary for good health. B) a ... (Read 77 times)

ENagel

  • Hero Member
  • *****
  • Posts: 540
A vitamin is
 
  A) a nutrient involving trace metals that is necessary for good health.
  B) a polypeptide used to manufacture enzymes.
  C) a lipid complex which is an important part of all cells.
  D) a small organic molecule obtained from the diet and necessary for good health.
  E) a complex molecule of four interlocking hydrocarbon rings.

Question 2

Which of the following elements is most likely to form an ion with a -2 charge?
 
  A) Mg
  B) Si
  C) S
  D) K
  E) Ti



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sarah_brady415

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

D

Answer to Question 2

C




ENagel

  • Member
  • Posts: 540
Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review


6ana001

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

For a complete list of videos, visit our video library