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 33 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
Great answer, keep it coming :)


smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

For a complete list of videos, visit our video library