Bacteria in the large intestine are able to manufacture
A) vitamin A. B) some minerals. C) vitamin C. D) vitamin K.
D
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The umbilical cord functions to
a. carry waste products in the blood from the fetus to the mother. b. carry waste products in the blood from the mother to the fetus. c. carry oxygen in the blood from the mother to the fetus. d. do both a and c.
Smaller mammals typically have higher ventilation rates than large mammals.
Answer the following statement true (T) or false (F)
If the syringe contains live S strain Streptococcus
pneumoniae a. the mouse will die. b. live R strain will be detected in the mouse’s blood. c. the mouse will live. d. no live S strain will be detected in the mouse’s blood. e. the live S strain bacteria will lose their pathogenicity.
To which of the following does the term heteroplasmy refer?
A) various stages of development of mitochondria and chloroplasts B) cells with a variable mixture of normal and abnormal organellar genomes C) conditions in which the germ plasm is a mixture of dominant and recessive genes D) a circumstance that is homologous to incomplete dominance E) heterozygous individuals with more than one gene pair involved