Identify the brain stem in the diagram below.

A marks the base portion of the brain connecting to the spinal cord, B marks the top of the brain, C marks the center section of the brain, and D marks the section at the rear bottom of the brain.

C
A
D
B

What is a gene ? a) a section of a protein that codes for dna. b) the alternate version of a trait. c) the visible trait in the f1 generation. d) a section of dna that codes for a specific trait .

The table lists the observations students made about four specimens under a microscope. based on these observations, what specimens did the students examine? animal plant virus prokaryote cell membrane present ribosomes present lysosomes present nuclear membrane present cell wall present ribosomes present nuclear membrane absent cell wall present ribosomes present nucleus present large vacuole present reproduces inside of a cell nucleus absent rna present 2019 edmentum all rights reserved intl

2. which is the last step in the scientific method?