BIOLOGY Flashcards
What are the three molecules that are found in carbohydrates?
D. Carbon, hydrogen, and oxygen
. What type of lipids are primarily used for energy storage in the body?
Triacylglycerols
Which of the following is true about phospholipids?
Its tail is hydrophobic
Steroid is a type of what biomolecule?
Lipid
What is a chain of repeating units of monomers?
Polymer
Which of the following is the bond that links amino acids in a protein molecule?
Peptide bond
Fructose, glucose, and galactose are examples of what classification
Monosaccharides
What type of protein is at the core of the immune system of animals?
Antibodies
Which of the following are not elemental components of ATP?
Lithium
Which of the following are molecules that allow organisms to transfer genetic
information from one organism to another?
D. Nucleic acids
Crustaceans
Carbohydrates
Chocolate
Carbohydrates
Hamburgers
– Lipids
Junk foods
Lipids
Tuna -
Proteins
An element is to a (an) tissue is to (an)
atom; organism
In the term trace element, the modifier trace means
The element is required in very small amounts.
Compared to 31P, the radioactive isotope
3P has
one more neutron
What do the four elements most abundant in life car-bon, oxygen, hydrogen, and nitrogen-have in common?
They are all relatively light elements, near the top of the periodic table.
The atomic number of sulfur is 16. Sulfur combines with hydrogen by covalent bonding to form a compound, hydrogen sulfide. Based on the electron
configuration of sulfur, we can predict that the molecular formula of the compound will be
- H2S
Which of these statements is true of all anionic atoms?
The atom has more electrons than protons.
Which of the following statements correctly describes any chemical reaction that has reached equilibrium?
The rate of the forward reaction equals the rate of the reverse reaction.
The following are the simplest form of a substance found in the body. Except?
SO2
What do you call to the simplest form of a substance in atom?
- Element
