question Which lipids are important components of cell membranes and are characterized by a hydrophilic head and two hydrophobic tails

Chemistry

Which lipids are important components of cell membranes and are characterized by a hydrophilic head and two hydrophobic tails?

A. Phospholipids
B. Triglycerides
C. Steroids
D. Waxes

Phospholipids are important components of cell membranes with a hydrophilic head and two hydrophobic tails.

The reaction 2H₂ + O₂ → 2H₂O represents a:

A. Combustion
B. Synthesis
C. Decomposition
D. Redox

What is the name for a bond formed by the attraction between a hydrogen atom and a highly electronegative atom?

A. Hydrogen bond
B. Ionic bond
C. Covalent bond
D. Metallic bond

What is the basic structural unit of DNA?

A. Nucleotide
B. Amino acid
C. Monosaccharide
D. Fatty acid

The reaction between an alkene and hydrogen to form an alkane is known as:

A. Halogenation
B. Hydrogenation
C. Dehydration
D. Oxidation

Which molecule has a triple covalent bond?

A. N2
B. CO
C. O2
D. H2

Which molecule serves as the primary energy currency in cells, providing energy for various cellular processes?

A. Adenosine triphosphate (ATP)
B. Deoxyribonucleic acid (DNA)
C. Ribonucleic acid (RNA)
D. Glucose

Which element has the highest electronegativity in the periodic table?

A. Fluorine
B. Oxygen
C. Nitrogen
D. Chlorine

What is the modern quantum mechanical model based on?

A. Wave functions
B. Planetary orbits
C. Particle paths
D. Circular motion

The reaction of an alkene with ozone followed by reductive workup is known as:

A. Ozonolysis
B. Hydrogenation
C. Hydration
D. Halogenation

What is the term for atoms of the same element with the same atomic number but different isotopic mass?

A. Isotones
B. Isomers
C. Isobars
D. Isotopes