During development, how is it possible for a single fertilized cell to give rise to all of the complicated structures seen in the mature organism? Please include regulatory cascade, transcription factors, and differential gene expression in your answer. Additional information The problem related to Biology and it explains about how […]

Table 1: Number of cells observed in each stage of the cell cycle(2 pts) Stage Predicted % Number of cells in stage Total number of cells counted* Calculated % Interphase     65   Prophase     65   Metaphase     65   Anaphase     65   Telophase […]

1) The “Big bang theory” explains the origins of universe. Before there could be life on Earth, there required to be a planet and universe to consist of that life. Edwin Hubble discovered that the universe is expanding. From this rate of expansion, scientists were able to find that the […]

Plants often use external signaling to attract animals, ofteninsects, to enhance their survival and / or reproductive success.Describe two distinct ways that a plant might use chemical cues toattract animals to benefit the plant’s survival. In oneexample, describe in detail how a plant might use a chemical signalthat recruits an […]