Macromolecules
If 128 molecules of the general type shown in Figure 5.1 were covalently joined together in sequence, the single molecule that would result would be a
polysaccharide
A polyunsaturated fatty acid contains -
a) Two double bonds
b) Three double bonds
c) One double bond
d) Many double bonds
e) All single bonds
d) Many double bonds
Matter that is a combination of different types of matter in different proportions.
Mixture
Milk sugar is known as
a. Fructose.
b. Lactose.
c. Glucose.
d. None of the above
b. Lactose.
RNA
A single-stranded nucleic acid that passes along genetic messages
A molecule with the chemical formula C16H32O16 is probably a
carbohydrates
Which of these is a type of lipid?
a) Fatty Acid
b) Steroid
c) Triacylglycerol
d) Ceramide
e) All the Above
E)All the Above
Neutral subatomic particle that is a part of the nucleus.
Neutron
Starch is not a polysaccharide.
a. True
b. False
b. False
DNA
Double nucleotide chain spiraled in a double helix
Which of the following best summarizes the relationship between dehydration synthesis and hydrolysis?
dehydration reactions assemble polymers, and hydrolysis breaks down
Which of the terms below describe fatty acids?
a) Saturated
b) Monounsaturated
c) Polyunsaturated
d) Amphipatic
e) All of the above
e) All of the above
Positively charged subatomic particle that is a part of the nucleus.
Proton
Galactose and glucose joined together form
a. Lactose.
b. Fructose.
c. Maltose.
d. Starch.
a. Lactose.
nucleic acid polymer
Polynucleotide (DNA and RNA)
Polymers of polysaccharides, nucleic acids, and proteins are all synthesized from monomers by which process?
the removal of water (dehydration synthesis)
A class of lipids which are amphipathic and are the major components of cell membranes is –
a) Fatty acids
b) lipoproteins
c) Sterol lipids
d) Sphingolipids
e) Glycerophospholipids
e) Glycerophospholipids
Negatively charged subatomic particle that circles the nucleus of an atom.
Electron
Simple carbohydrates are those that are made up of one or two sugar units called
saccharides.
a. True
b. False
a. True
nucleic acid monomer
nucleotide
Which of the following are one of the four major groups of macromolecules found in living organisms?
Carbohydrates, lipids, proteins, nucleic acids
Which compounds would be lipids or derivatives of lipids?
a) Glycogen and cellulose
b) Cholesterol and estrogen
c) Keratin and protease
d) Chlorophyll and haemoglobin
e) DNA and RNA
b) Cholesterol and estrogen
Smallest piece of matter that is still considered an element.
Atom
Which of the following foods contains a substantial amount of carbohydrate?
a. Milk
b. Chicken
c. Spaghetti
d. a and b
e. a and c
e. a and c
nucleic acid examples
DNA, RNA, ATP