Download Chromosome Morphology

1.
How many chromosomes are in this cell?
_____
2.
How many pairs of chromosomes are in this cell?
_____
3. 2n = _____
4.
Label the following parts of the chromosome:

Centromere

Sister chromatid

Super coil

Coil

Histones

Double helix

DNA backbone

DNA rungs/steps
5. Circle 2 different nucleotides in the adjacent picture
6. Color the phosphates green
7. Color the sugars red.
8. Color the thymines purple
9. Color the cytosines yellow
10. Color the guanines orange
11. Color the adenines blue
12. Draw four more nucleotides connected to the adjacent
DNA strand
1.
2.
3.
4.
5.
6.
7.
8.
9.
Label the phosphate groups in the below diagrams. Color them green.
Label the deoxyribose sugars groups in the below diagrams. Color them red.
Label the ribose sugars groups in the below diagrams. Color them pink.
Color and label all the adenines blue.
Color and label all the thymines purple.
Color and label all the cytosines yellow
Color and label all the guanines orange
Color and label all the uracils brown
What is the difference in structure between DNA & RNA? Label them on your paper..
DNA Molecule
Note: this is NOT a correctly drawn
double helix
A
C
A
G
G