Answer: Hope it helps!
Explanation:
Describes the surface features of the Sun, including sunspots, solar prominences, solar flares, and coronal mass ejections.
Answer:
d. purple, spherical-shaped organisms arranged in chainlike formations
Answer:
D: A density-independent factor.
Explanation:
An earthquake is a density-independent limiting factor
Answer:
Groups 4 to 7 are most likely to be undergoing the mitotic phase of the cell cycle.
Explanation:
Since the four proteins used p16, p18, p21, and p27 are inhibitors of cyclin-dependent kinases (CDK), their absence indicates that the cell is undergoing mitosis - the cell cycle is regulated by CDKs. In the absence of these inhibitors, the cell cycle moves on forward. Because the bar for DNA replication is longer in the case for groups 4 to 7, it is indicative of the fact that these cells have gone through the mitotic phase.
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X-rays were discovered by accident (by Wilhelm Rontgen).
