Cell Cycle Mitosis etc Meiosis Control of the

Cell Cycle Mitosis, etc Meiosis Control of the Cell Cycle 5 pt 5 pt 10 pt 10 pt 15 pt 15 pt 20 pt 20 pt 25 pt 25 1 pt Bio Trivia

I 5 Name two things that replicate during the “S” phase of interphase 2

DNA and. I centrioles 5 a 3

I 10 Name two types of cells that are permanently in the G 0 stage. 4

I 10 a Nerve and muscle cells 5

I 15 In a human somatic cell, how many chromatids are present during G 1? During G 2? 6

I 15 a In a human somatic cell, how many chromatids are present during G 1? 0 During G 2? 92 7

I 20 Consider the quantity of DNA in a cell in G 1 is 100%. What percent will be present: • during prophase of mitosis? • following telophase of mitosis? 8

Consider the quantity of DNA in I 20 a a cell in G 1 is 100%. What percent will be present: • during prophase of mitosis? 200% • following telophase of mitosis? 100% 9

I 25 If there are 48 chromosomes in an animal cell in the G 1 stage, what is the diploid number for this organism? 10

If there are 48 chromosomes in an animal cell in the G 1 stage, I 25 a what is the diploid number for this organism? 48 11

II 5 During which stage and in what kind of cell does the cell plate form? 12

II 5 a Telophase (or cytokinesis); plant 13

What stages are these cells in? II 10 14

Prophase II 10 a Metaphase 15

II 15 What stages are these? 16

II 15 a Prophase Anaphase 17

II 20 If 2 n=20, then how many chromosomes will be in a cell during Metaphase I? During Metaphase II? 18

II 20 a If 2 n=20, then how many chromosomes will be in a cell during Metaphase I? 20 During Metaphase II? 10 19

II 25 An organism whose diploid number is 8 can make how many different kinds of gametes due to independent assortment? 20

II 25 a An organism whose diploid number is 8 can make how many different kinds of gametes due to independent assortment? 16 2 x 2 x 2 = 16 21

III 5 If an organism has a diploid number of 52, how many chromosomes are in a gamete? 22

IIIIf 5 a an organism has a diploid number of 52, how many chromosomes are in a gamete? 26 23

III 10 What Stage Is This? 24

III 10 a Anaphase 1 25

III 15 After which stage do chromosomes become haploid? 26

III 15 a Telophase 1 27

III 20 If a human egg has N + 1 chromosomes, how many does it actually have? 28

III 20 a 24 n + 1 = 23 + 1 extra 29

III 25 Put these in the correct order: 1. Tetrads align at the metaphase plate 2. Separation of sister chromatids 3. Separation of the homologous chromosomes 4. Synapsis occurs 30

III 25 a 4132 4. Synapsis occurs 1. Tetrads align at the metaphase plate 3. Separation of the homologous chromosomes 2. Separation of sister chromatids 31

IV 5 Three major checkpoints in the cell cycle occur during ___, ____, and ___ 32

Three major checkpoints in the IV 5 a cell cycle occur during G 1, G 2, and M 33

IV 10 Programmed cell death is called: 34

Programmed cell death is called: IV 10 a apoptosis 35

IV 15 Term that means normal cells must be attached to a substratum 36

IV 15 a Term that means normal cells must be attached to a substratum anchorage-dependence 37

IV 20 Name the two types of proteins that create an MPF and describe how their levels change through the cell cycle. 38

IV 20 a Cyclin, CDK Cyclin levels fluctuate, CDK levels are constant The Nobel Prize in Physiology or Medicine was awarded jointly to Leland Hartwell, Tim Hunt and Paul Nurse for their discoveries of "key regulators of the cell cycle". Using genetic and biochemical methods, they identified the molecules CDK and cyclin that control the cell cycle in eukaryotic organisms. 39

IV 25 Name the “guardian angel” of the genome (a type of tumor suppressor gene) 40

IV 25 a p 53 41

The flea can jump ___ times its V 5 body length a. 3 b. 35 c. 350 d. 3500 42

The flea can jump ___ times its V 5 a body length c. 350 43

V 10 Name the only animal that can’t jump. 44

V 10 a The elephant 45

V 15 What pesky bug can live 9 days without its head before it starves to death. 46

V 15 a The cockroach 47

According to the US Census in V 20 the per capita consumption 1999, of sweeteners was: a. 58 pounds b. 158 pounds c. 258 pounds d. 1 ton 48

According to the US Census in V 20 a the per capita consumption 1999, of sweeteners was: b. 158 pounds 49

V 25 What are three “D’s” of disapparition? 50

V Destination, 25 a Determination, and Deliberation 51