In those cases of pneumonia for which no cause is determined by laboratory findings, ________ pneumonia can be assumed if ________ pneumonia has been ruled out.
A. mycoplasmal; viral
B. bacterial; viral
C. viral; mycoplasmal
D. mycoplasmal; bacterial
Answer: C
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A man and woman are each heterozygous for the autosomal recessive gene for albinism. They already
have two non-albino children and want to have two more. What is the probability that their next two children will be phenotypically identical to each other with regard to skin color (i.e., either both albino or neither albino)?
a. 1/16 b. 3/16 c. 4/16 d. 9/16 e. 10/16
What is the probability of both a dominant trait and a recessive trait being expressed in the F1 generation when crossing true breeders, if both traits are independent?
a. 100% b. 25% c. 0% d. 50%
Phytoestrogens in plants
a. increase the production of megaspores. b. function in the production of eggs. c. increase the speed at which pollen tubes reach the egg. d. aid in the nuclear fusion of egg and sperm. e. have nothing to do with plant reproduction.
Describe the mechanism(s) used by bacteria and eukaryotes for transcription termination
What will be an ideal response?