The tendency for plants to grow toward light is known as
A. thigmotropism.
B. opportunism.
C. phototropism.
D. geotropism.
C. phototropism.
Biology & Microbiology
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The differentiation of embryonic stem cells into neurons and glial cells is a consequence of which type of cell signaling?
A. juxtacrine B. paracrine C. autocrine D. endocrine E. All of these choices are correct.
Biology & Microbiology
Genes that code for transcription factors that bind regulatory sites on DNA are called
a. ideotic genes b. homeobox c. Hox genes d. homeotic genes e. homeodomains
Biology & Microbiology
A new vaccine for two of the known causes of
cervical cancer (HPV strains 16 and 18) is called a. Vagasil. b. Gardasil. c. Viagrasil. d. Cervasil. e. none of these.
Biology & Microbiology
Which of the following is not an end-product of fermentation?
A) wine B) Lactic acid C) Ethyl alcohol D) lipid E) beer
Biology & Microbiology