The "9 + 0" cilia arrangement is associated with
A) eubacteria.
B) cyanobacteria.
C) cilia lining the respiratory tract.
D) flagella on sperm cells.
E) animal embryonic development.
E) animal embryonic development.
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The proportion of individuals in a population that are of a particular phenotype is the
A) phenotype frequency. B) genotype frequency. C) allele frequency. D) None of the choices is correct.
Mendel performed many types of crosses, including those in which the same genotypes are crossed but the sexes of the parents are switched. These are known as __________
A) replicate crosses B) reciprocal crosses C) test crosses D) monohybrid crosses E) dihybrid crosses
In living organisms, chemical reactions responsible for growth, repair, and nutrition are collectively referred to as:
a. development b. metabolism c. adaptation d. genetics e. homeostasis
Mitochondrial DNA is primarily involved in coding for proteins needed for protein complexes of the electron transport chain and ATP synthase. Therefore, mutations in mitochondrial genes would most affect _____
A) DNA synthesis in cells of the immune system B) the movement of oxygen into erythrocytes C) generation of ATP in muscle cells D) the storage of urine in the urinary bladder