Author Question: Which of the following statements about free radicals is incorrect? A) They are a by-product of ... (Read 33 times)

waynest

  • Hero Member
  • *****
  • Posts: 553
Which of the following statements about free radicals is incorrect?
 
  A) They are a by-product of oxygen-consuming redox reactions.
  B) Their unpaired electron makes them extremely reactive.
  C) They can disrupt covalent bonds in biomolecules.
  D) B vitamins provide protection from their harmful effects.
  E) Superoxide catalase is one of the specific enzymes that can provide protection from their harmful effects.

Question 2

The various shapes taken on by an organic molecule are known as ________.
 
  A) conformations
  B) constitutional isomers
  C) preferential isomers
  D) configurations
  E) none of the above



bbburns21

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

D

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

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.

For a complete list of videos, visit our video library