cell division and dna test

Question 1

DNA is copied

Answer 1

interphase

Question 2

two new nuclei begin to form

Answer 2

telophase

Question 3

chromosome copies are pulled apart in opposite directions

Answer 3

anaphase

Question 4

two cells start to become visible

Answer 4

telophase

Question 5

spindle fibers begin to form for the first time

Answer 5

prophase

Question 6

the nucleus breaks down and chromosomes are visible for the first time

Answer 6

prophase

Question 7

chromosomes line up in the middle of the cell

Answer 7

metaphase

Question 8

spindle fibers break down and start to go away

Answer 8

telophase

Question 9

stage that occurs AFTER prophase

Answer 9

metaphase

Question 10

stage that occurs AFTER metaphase

Answer 10

anaphase

Question 11

stage that occurs AFTER interphase

Answer 11

prophase

Question 12

stage that occurs AFTER anaphase

Answer 12

telophase

Question 13

how many individual strands make up a DNA molecule

Answer 13

2

Question 14

what is the overall shape of a DNA molecule

Answer 14

double helix

Question 15

G C T T G T A C

Answer 15

C G A A C A T G

Question 16

what best describes a cancer cells?

Answer 16

• a cell that doesn’t follow the rules
• can move to other areas of an organism and continue cell division (metastasize)
• can be caused by mutations or DNA damage
• all of the above

Question 17

if a fruit fly cell normally has 8 chromosomes in its nucleus, how many chromosomes would exist at the end of interphase for this cell

Answer 17

16

Question 18

during what stage of cell division/mitosis are cells completely separated

Answer 18

cytokinesis