Lecture 2 Flashcards
Gaining or losing a(n) _____ makes an isotope of the same element.
NEUTRON
______ is the storage form of glucose for animals.
GLYCOGEN
Amino acids are joined together via _______ bonds.
PEPTIDE
The chemical shorthand -COOH represents a(n) _________ group.
CARBOXYL
_________ is the primary source of steroids in the body
CHOLESTEROL
If electrons are attracted more strongly to one atom than to the other, the molecule is said to be a _______ molecule.
POLAR
A(n) __________ is a short chain of 2-9 amino acids.
OLIGOPEPTIDE
The building blocks of nucleic acids are ________.
Nucleotides
Glyceryl plus 2 fatty acids produces a disaccharide.
FALSE
A negatively charged ion is called an anion
TRUE
The number of protons and neutrons in a nucleus of an Atom constitutes the atomic number.
FALSE
Alpha-he lives are secondary structures of a protein.
True
Ionic bonds form when adjacent atoms share one or more pairs of electrons.
FALSE
Triglycerides are hydrophilic molecules.
FALSE
Hydrolysis is used to break bonds between biomolecules.
TRUE
The bond between an oxygen and a hydrogen in a water molecule is a(n):
POLAR COVALENT BOND
When nucleotide strands pair with each other, it is due to hydrogen bonding between _________.
NITROGENOUS BASES
Each of the following is a function of proteins EXCEPT:
Storage of genetic information.
Which of the following pairs are mismatched?
Galactose - Disaccharide
Which of the following nucleotide bases in DNA can base pair with adenine?
Thymine
