EGF (epidermal growth factor) activates cell division by binding to ________
Fill in the blank with correct word.
Answer: receptor tyrosine kinases
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All living organisms respond and adjust to their environments. The process through which this occurs is called
A. photosynthesis. B. metabolism. C. adaptation. D. growth and development. E. genomics.
Before cell division of somatic cells, each chromosome must be replicated. After replication, the resulting two parts of each chromosome are held together by cohesin at the centromere. These two parts are referred to as
A. genes. B. homologous chromosomes. C. daughter chromosomes. D. sister chromatids. E. kinetochores.
A very rapid kind of communication that works at a distance and in the dark is
A. chemical communication. B. tactile communication. C. auditory communication. D. visual communication.
_____ prevents seeds from germinating until conditions are favorable for the growth of the plant
A) Ethylene B) Zeaxanthin C) Gibberellin D) Abscisic acid