When fluid enters the collecting duct, it is called urine

a. true
b. false


a. true

Biology & Microbiology

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Hemophilia is caused by an X-linked recessive mutation in humans. If a woman whose paternal uncle (father's brother) was a hemophiliac marries a man whose brother is also a hemophiliac, what is the probability that their first child will have hemophilia? (Assume that no other cases of hemophilia and no hidden carriers exist in the pedigree.)

A) 0 B) 1/4 C) 1/2 D) 1/8 E) 1

Biology & Microbiology

The genetic code demonstrates the universality of living things because it is common to virtually all:a

animals. b. bacteria. c. organisms. d. autotrophs. e. eukaryotes

Biology & Microbiology

Which heterotrimeric G proteins function by inhibiting adenylyl cyclase?

a) Gi family b) Gq family c) Gr family d) G12/13 family e) Gs family

Biology & Microbiology

Which is false?

-Rem sleep parasomnias are more likely to emerge during the later portion of the sleep period -upon awakening from Rem parasomnia, an individual is typically alert and has vivid recollection of dream content and mental activity -muscle atonia is always present during REM parasonias, as it is a characteristic of REM -all of the above are true

Biology & Microbiology