Bio 101 Nassau NCC Exam 1 Midterm5
The smallest chemical unit of matter is... - ANSWERS-an atom
Which of the following would have the largest size? - ANSWERS-a molecule
Isotopes of an element differ in the number of... - ANSWERS-neutrons in the nucleus
The atomic number represents the number of... - ANSWERS-protons in an atom
All atoms with the same atomic number are grouped into... - ANSWERS-elements
The mass number of an atom indicates the number of... - ANSWERS-protons and neutrons in the
nucleus
Radioisotopes have unstable... - ANSWERS-nuclei
The chemical behavior of an atom is determined by... - ANSWERS-the number and arrangement
of electrons
A substance containing atoms of different elements that are bonded together are called a(n)... -
ANSWERS-compound
Ions with a positive charge are called... - ANSWERS-cations
Lipids... - ANSWERS-(e) all of the above
, A fatty acid that contains three double covalent bonds in its carbon chain is said to be... -
ANSWERS-polyunsaturated
Most of the fat found in the human body is in the form of... - ANSWERS-phospholipids
A type of lipid that is produced by nearly every tissue in the body and that acts as a local
regulator of metabolism is the... - ANSWERS-prostaglandins
Cholesterol, phospholipids, and glycolipids are examples of... - ANSWERS-dietary fats
Carbohydrate molecules... - ANSWERS-are the body's most important source of energy
The most important metabolic fuel molecule in the body is... - ANSWERS-glucose
Molecules that have the same molecular formula but different structural formulas are called... -
ANSWERS-isomers
A polysaccharide that is formed in the liver and muscle to store glucose is... - ANSWERS-
glycogen
The group off organic compounds containing carbon, hydrogen, and oxygen in a near 1:2:1 ratio
is defined as a... - ANSWERS-carbohydrate
A nanometer is... - ANSWERS-10^-9 meter
A thyroid scan utilizes radioactive isotopes of the element _______ to help diagnose thyroid
disorders - ANSWERS-iodine
The smallest chemical unit of matter is... - ANSWERS-an atom
Which of the following would have the largest size? - ANSWERS-a molecule
Isotopes of an element differ in the number of... - ANSWERS-neutrons in the nucleus
The atomic number represents the number of... - ANSWERS-protons in an atom
All atoms with the same atomic number are grouped into... - ANSWERS-elements
The mass number of an atom indicates the number of... - ANSWERS-protons and neutrons in the
nucleus
Radioisotopes have unstable... - ANSWERS-nuclei
The chemical behavior of an atom is determined by... - ANSWERS-the number and arrangement
of electrons
A substance containing atoms of different elements that are bonded together are called a(n)... -
ANSWERS-compound
Ions with a positive charge are called... - ANSWERS-cations
Lipids... - ANSWERS-(e) all of the above
, A fatty acid that contains three double covalent bonds in its carbon chain is said to be... -
ANSWERS-polyunsaturated
Most of the fat found in the human body is in the form of... - ANSWERS-phospholipids
A type of lipid that is produced by nearly every tissue in the body and that acts as a local
regulator of metabolism is the... - ANSWERS-prostaglandins
Cholesterol, phospholipids, and glycolipids are examples of... - ANSWERS-dietary fats
Carbohydrate molecules... - ANSWERS-are the body's most important source of energy
The most important metabolic fuel molecule in the body is... - ANSWERS-glucose
Molecules that have the same molecular formula but different structural formulas are called... -
ANSWERS-isomers
A polysaccharide that is formed in the liver and muscle to store glucose is... - ANSWERS-
glycogen
The group off organic compounds containing carbon, hydrogen, and oxygen in a near 1:2:1 ratio
is defined as a... - ANSWERS-carbohydrate
A nanometer is... - ANSWERS-10^-9 meter
A thyroid scan utilizes radioactive isotopes of the element _______ to help diagnose thyroid
disorders - ANSWERS-iodine
