The diagram below shows a normal gene sequence and three mutated segments of DNA. Which row it the chart correctly identifies the cause of each type of mutation? Captionless Image
Row 1
Row 2
Row 3
Row 4

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts

What are the formed elements (cell or parts of cell) in blood and what are their functions ?