DNA Cell Cycle Mitosis Functions Disruptions 5 pt

DNA Cell Cycle Mitosis Functions Disruptions 5 pt 5 pt 10 pt 10 pt 15 pt 15 pt 20 pt 20 pt 25 pt 25 1 pt

DNA and RNA are which type of organic compound? 2

Nucleic Acid 3

DNA is composed of groups of what bases? 4

purine bases and pyrimidine bases 5

Identify the structures shown in X, Y, and Z 6

X – Hydrogen Bond Y – Nucleotide Z – Sugar-Phosphate base 7

5’ TTAGCG 3’ Write a base sequence that complements the section of DNA above. 8

3’ AATCGC 5’ 9

What is different about the sugars that make up DNA and RNA? 10

DNA has a deoxyribose and RNA has a ribose 11

What must occur during S phase of the cell cycle so that two daughter cells can be produced during M phase? 12

DNA replication 13

What occurs at G 1? 14

Cell Growth 15

What occurs during interphase of the cell cycle? 16

The cell grows and prepares for cell division. 17

Cell division is completed when which step is finished? 18

Cytokinesis 19

What occurs at S phase? 20

DNA Replication 21

The next step would be? 22

Step C 23

Which phase of mitosis is occurring in the cell indicated by the arrow? 24

Anaphase 25

What phase is occurring in picture D? 26

Telophase 27

What is the result of cellular division that includes mitosis? 28

Two daughter cells are produced with an identical copy of the parent cell’s DNA 29

During normal mitotic cell division, a parent cell having four chromosomes will produce two daughter cells, each containing _____ 30

four 31

What is the function of DNA polymerase? 32

creates new DNA strands complementary to the old strands 33

What is the function of DNA 34

DNA contains the blueprint for producing the whole organism 35

What is the function of DNA helicase 36

unzips the DNA 37

“Thymine-guanine-thyminecytosine” describes 38

A sequence of bases within a DNA section 39

What is the function of the p 53 gene 40

It regulates the cell cycle and acts as a tumor suppressor. 41

Cancer cells cannot enter G 0 phase of the cell cycle and are likely to do what? 42

Repeat the cell cycle continuously 43

What would a drug that treats a disease that causes excessive reproduction of cells likely target? 44

Cell Division 45

How are cancer cells different from healthy cells? 46

Cancer cells do not follow the normal requirements for cell division. 47

Mustard gas removes guanine from DNA. For developing embryos, exposure to mustard gas can cause serious deformities because guanine 48

Is part of the genetic code 49

Cancer is a disorder in which some cells have lost the ability to control their? 50

Rate of mitosis 51