Shared Flashcard Set

Details

Concepts of Science, Test #6
Chapters 22, 23, 25
25
Science
Undergraduate 1
04/11/2013

Additional Science Flashcards

 


 

Cards

Term
Which of the following is not made from organic molecules?
Definition
Calcium
Term
What was important about the synthesis of urea?
Definition
Urea was the first organic molecule to be synthesized in a laboratory.
Term
Which is not a function of proteins in living systems?
Definition
Provide structure to those cellulose tissue.
Term
How many essential amino acids are there?
Definition
Eight
Term
Which of the following would you not find in all proteins?
Definition
Carbon and Calcium
Term
Which is not an example of a polysaccharide?
Definition
C6H12O6
Term
Which is not an example of a lipid?
Definition
Hair
Term
Nutritional minerals do not include
Definition
nitrogen
Term
Which are fat-soluble?
Definition
Vitamin A
Vitamin D
E. A and D
Term
An organic molecule's chemical function is controlled by
Definition
Molecule shape
Term
The most complex shape of a protein is the
Definition
Quaternary
Term
Sugar is to carbohydrate as amino acid is to a
Definition
Protein
Term
Which is true for all the organic molecules?
Definition
Modular in structure
Formed from few elements
Carbon-based
Controlled by geometry
All of the above
Term
The tertiary structure of proteins is
Definition
A twisting, curving, turning, folding and kinking of the protein molecule.
Term
Which of the following is a protein molecule that facilitates chemical reactions between two other molecules?
Definition
Enzyme
Term
Some amino acids are called "essential" because they
Definition
should be taken into the body with every meal.
Term
One difference between carbohydrates and proteins is
Definition
The carbohydrate molecule lacks nitrogen.
Term
Designer drugs
Definition
Can control hypertension
Term
If a fat is saturated,
Definition
All the possible bonding sites of the hydrogen and carbon atoms are filled.
Term
What do hamburger, corn, pollen and eyelashes have in common?
Definition
They all contain carbon, hydrogen, and nitrogen atoms.
They all are composed of a modular molecular structure.
They all are a result of a unique combination of molecule shapes.
The dominant element in each is carbon.
All of the above are true.
Term
Which food combination supplies all essential amino acids?
Definition
Peanut butter and Jelly
Tofu and Rice
Beans and Corn Tortillias
All of the Above.
Term
Every distinct protein differs from other proteins in which of the following ways?
Definition
Sequence of the amino acids
Shape and folding characteristics
The primary structure
How the protein connects to other proteins
All of the above
Term
The difference between high-quality proteins and low quality proteins is that
Definition
Whenever you consume high-quality proteins, you get amino acids in roughly the same proportion as your body proteins
Term
Why can cows digest grass and humans cannot?
Definition
Cows have an enzyme that separates the glucose molecule from the cellulose polymer in grass.
Term
How does aspirin work on pain in the body?
Definition
Blocks action of an enzyme
decreases the production of prostaglandin
interrupts the transmission of nerve signals
All of the above
Supporting users have an ad free experience!