proteins
name 3 things with protein in it
meat, fish, eggs, dairy, yogurt, etc.
Is sucrose a monosaccharide or a disaccharide?
Disaccharide.
How many common amino acids are used in protein synthesis?
20
What is a molecule?
Two or more atoms chemically bonded together.
What is the formula for water?
H2O
two hydrogen atoms and one oxygen atom
Which interactions hold the structures together?
What simple sugar makes up cellulose?
Glucose
What are essential amino acids?
These are amino acids the body cannot produce on its own and must be acquired through diet.
Is an oxygen molecule O2 considered a compound?
no
NaCl
3 reasons proteins are good for the body
building and repairing tissues, supporting immune function, regulating metabolism.
What three elements make up all carbohydrates?
Carbon, Hydrogen, and Oxygen.
What type of bond connects amino acids to form a protein chain?
Peptide bonds
What type of bond forms between a nonmetal and nonmetal (e.g., in oxygen)?
A covalent bond
What do you call a pure substance made of only one type of atom?
An element
Which level of protein structure refers to the linear sequence of amino acids?
Primary structure.
What is the most common sugar in the body used for energy?
Glucose
What are the two main functional groups present in all amino acids?
An amino group and a carboxyl group
What do you call molecules with the same formula but different structures?
Isomers
Why does Fluorine have a higher ionization energy than Oxygen?
Although ionization energy generally increases across a period, fluorine’s higher value is due to its smaller atomic radius and higher effective nuclear charge, holding its electrons more tightly than oxygen.
What role does hemoglobin play in the body?
Hemoglobin is a protein that transports oxygen in the blood.
What is the definition of an isomer?
Compounds with the same chemical formula but different structural configurations.
Which amino acid is unique because it does not have a chiral carbon?
Glycine
What type of weak bond connects water molecules together in liquid water?
A hydrogen bond
What Element has the Lowest Melting/Boiling Point?
Helium has the lowest melting and boiling points, remaining liquid near absolute zero.