What 4 thing do cells have?
1.
2.
3.
4.

2 basic types of cells
1.
2.​

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

Draw the structure of dna nucleotide with adenine as nitrogenous base

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.