This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A vitamin is A) a nutrient involving trace metals that is necessary for good health. B) a ... (Read 43 times)

ENagel

  • Hero Member
  • *****
  • Posts: 540
on: Aug 27, 2018
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
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

C


ENagel

  • Member
  • Posts: 540
Reply 2 on: Aug 27, 2018
Excellent

jamesnevil303

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Many hobbies and leisure activities have some risk of health-related injuries Many hobbies and leisure activities have some risk of health-related injuries
How many potential risks to the health of the embryo and fetus might a mother encounter in an urban ... How many potential risks to the health of the embryo and fetus might a mother encounter in an urban ...
Carbon Dioxide, Trace Gases, and Climate Change Carbon Dioxide, Trace Gases, and Climate Change
Good body mechanics for sitting on chair while performing massage. A. Sit with back and head in ... Good body mechanics for sitting on chair while performing massage. A. Sit with back and head in ...
Vitamin A can aid in the treatment of acne Vitamin A can aid in the treatment of acne
Vitamin D plays a major role in bone health Vitamin D plays a major role in bone health
Video: Factors that affect conduction rates (myelination, axon diameter & temperature)

For a complete list of videos, visit our video library