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chapter 3 quiz biology
Terms in this set (25)
Fatty acids have
a carboxyl acid group attached to a non-polar hydrocarbon chain
Match the polymers of biological molecules with their individual subunits.
lipids, complex carbohydrates, proteins, and nucleic acids
Fatty acids, monosaccharides, amino acids, and nucleotides
Which of the following are true about carbohydrates?
The energy carrying molecule ATP is a type of:
The primary structure of a protein is the _________.
linear sequence of amino acids
How many bonds does carbon form with other atoms?
Which of the following biological molecules is the most transportable form of energy within a organism?
Proteins lose the ability to perform their functions when
their three dimensional structure is disrupted
Of the statements below, select the one that is NOT true about ATP.
ATP is the main energy carrier of the cell
ATP has three phosphate groups attached to its sugar
ATP is a nucleotide
ATP is a building block for DNA
ATP is the main energy carrier of the cell (T)
ATP has three phosphate groups attached to its sugar (T)
ATP is a nucleotide (T)
ATP is a building block for DNA (F)
Four of the five answers listed below are related as members of the same group. Select the exception.
cellulose, serine, starch, deoxyribose, glucose
What is the most abundant type of lipid in cell membranes?
The activities by which cells acquire and process energy as they contruct, rearrange and split organic molecules are collectively called:
Fats that have one or more double bonds incorporated in their fatty acids are called ________ fats.
Plants store their excess carbohydrates in the form of
Match the statements below with either DNA or RNA
1 composed of one strand of nucleotides
2 composed of two strands of nucleotides
3 plays a role in protein building outside the nucleus of the cell
4 is the primary source for the genetic code
5 contains lipids
6 type of nucleic acid
1 composed of one strand of nucleotides (RNA)
2 composed of two strands of nucleotides(DNA)
3 plays a role in protein building outside the nucleus of the cell (RNA)
4 is the primary source for the genetic code (DNA)
5 type of nucleic acid(Both)
Match the statements below with the level of protein structure.
additional folding of a polypeptide, forming it into organized domains, and making the protein a working molecule
can be altered by mutations
the unique sequence of amino acids
the initial folding of a protein chain
two or more polypeptide chains bound together or associating with one another
is not affected by denaturation
Which of the following are not lipids?
oleic acid, wax, glucose, nucleotide, triglyceride
Proteins may function as
From the following organic compounds, choose the monosaccharide.
Match the examples of biological molecules with their correct classification.
albumin, cellulose, DNA, triglyceride
protein, carbohydrate, nucleic acid, lipid
Biological macromolecule polymers are formed from smaller monomer units by
Carbon can share ____ electrons with other atoms
DNA and RNA are both part of a group of molecules known as ______ and are made up of subunits called _______.
nucleic acids, nucleotides
What type of organic molecule consists of carbon, hydrogen, and oxygen in 1:2:1 ratio?
Organic compounds are composed of __________ and at least one hydrogen atom.
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