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ap biology final review test
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19
Biology
12th Grade
05/13/2007

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Term
alleles
Definition
A gene can have more than one allele.
Alleles are found on corresponding loci of homologous chromosomes.
Alleles are alternative forms of the same gene.
One allele can be dominant and the other can be recessive.
Two identical alleles are said to be homozygous not heterozygous with respect to a gene.
Term
In aerobic respiration, the final electron acceptor in the electron transport chain is?
Definition
O2 oxygen 2
Oxygen is the final acceptor of electrons and forms water
Term
DNA contains all the following molecules
Definition
guanine
adenine
deoxyribose
phosphate
Term
All of the following hormones are involved in the menstrual cycle
Definition
estrogen
LH
progesterone
FSH
Term
Prolactin
Definition
Prolactin is the hormone that produces milk in the mammary glands.
Term
Uracil
Definition
Uracil is found in RNA, not DNA.
Term
The Krebs cycle in humans occurs in the
Definition
mitochondrial matrix
Term
medulla
Definition
The medulla controls basic involuntary actions such as breathing
Term
nitrogen
Definition
A feature of amino acids not found in carbohydrates is the presence of
Term
Amino acids
Definition
Amino acids contain carbon, hydrogen, oxygen, and nitrogen. They do not contain phosphorus.
Term
Crossing over occurs during which of the following phases in sexual reproduction?
Definition
Crossing over occurs in Prophase I of meiosis.
Term
Which of the following are characteristics of both bacteria and fungi?
Definition
Both bacteria and fungi contain DNA, a plasma membrane, and a cell wall.
Term
The major difference between cartilage and bone is that cartilage
Definition
Cartilage is flexible and lacks blood vessels and nerves.
Term
cartilage and bone are
Definition
a type of connective tissue.
secretes a rubbery matrix.
is composed of collagen and salts.
is part of the skeletal system.
Term
Protein
Definition
A macromolecule which consists of a polymer of amino acids.
A pro team has a macromolecule consisting of polypeptides.
Term
The stored form of sugar in humans.
Definition
Glycogen is an animal starch is stored in the liver and muscles
Term
Lipid which consists of three fatty acids covalently bonded to glycerol.
Definition
Triglyceride
Term
A substance that cannot be broken down by cows
Definition
Cellulose cannot be break broken down by cows which explains why they need bacteria in their stomachs.
Term
vestigial structures
Definition
the appendix of a human and the hipbone of a whale are vestigial structures
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