Answer:
The iris, or the colored part of the eye surrounding the pupil, controls how much light enters the eye. The iris can make the pupil bigger or smaller by opening or closing. Lens. Behind the pupil and the iris is a transparent structure that looks similar in shape to the lens of a magnifying glass.
Explanation:
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Answer:
Interphase is the basic phase of cell cycle.
Explanation:
Interphase is the non-dividing phase. It happens between two successive M phase. Interphase is preparatory phase during which the cell prepares for the next cell division and grows to the same size as their mother cell. This phase is further divided into three sub-phases: i) G1 phase- interval between mitosis. DNA replication begins here. It is the first growth phase, RNA and protein get synthesized. ii) S-phase- Synthesize of DNA takes place and chromosome gets duplicated. iii) G2 phase-
Pre-mitotic phase or the second growth phase. it prepares the cell for the next cell division.
A. Basalt
Basalt is a fine-grained, dark-colored extrusive igneous rock composed mainly of plagioclase and pyroxene. The specimen shown is about two inches (five centimeters) across. Diorite is a coarse-grained, intrusive igneous rock that contains a mixture of feldspar, pyroxene, hornblende, and sometimes quartz.
