« previous next »

Author Question: Amino acids that are not synthesized by the human body and must be obtained in food sources are ... (Read 27 times)

V@ndy87

  • Hero Member
  • *****
  • Posts: 571
on: Aug 27, 2018
Amino acids that are not synthesized by the human body and must be obtained in food sources are called
 
  A) nucleic acids.
  B) carboxylic acids.
  C) essential amino acids.
  D) vitamins.

Question 2

Alpha particles can be stopped by a
 
  A) sheet of paper.
  B) block of wood.
  C) thin sheet of aluminum.
  D) all of these


samiel-sayed

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Elephants do not fully digest their food. Other animals, such as this Baboon may pick through elepha Elephants do not fully digest their food. Other animals, such as this Baboon may pick through elepha
Human Skin Human Skin
Using a microscope to study the human body Using a microscope to study the human body
Reptilian Brain or Instinctive Brain Promote Understanding of Human Behavior Reptilian Brain or Instinctive Brain Promote Understanding of Human Behavior
Food, friends, and football . . . a way of life Food, friends, and football . . . a way of life
Effects of Alcohol on the Body Effects of Alcohol on the Body
Video: Four Giant Convection Cells oF Earth

For a complete list of videos, visit our video library