A student identifies the following parts of a cell. 1. cell wall
2. RNA
3. mitochondrion
4. ribosome

The presence of which structure allows the student to conclude that this is a eukaryotic cell?

Structure 1

Structure 2

Structure 3

Structure 4

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

Most enzyme names end in the

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing