Chapter 14 - Cell Division

Question 1

cell continuity

Answer 1

all cells develop from pre-existing cells

Question 2

chromosomes

Answer 2

coiled threads of DNA (which forms genes) and protein that become visible in the nucleus at cell division

Question 3

gene

Answer 3

section of DNA that codes for a protein

Question 4

haploid cell

Answer 4

has one set of chromosomes

Question 5

diploid cell

Answer 5

has two sets of chromosomes i.e. chromosomes are in pairs

Question 6

homologous pair

Answer 6

two chromosomes of similar size with the same sequence of genes

Question 7

cell cycle

Answer 7

changes that take place in a cell during the period between one cell devision and the next

Question 8

interphase

Answer 8

the phase in the cell cycle when the cell is not dividing

Question 9

mitosis

Answer 9

a form of nuclear division in which one nucleus divides to form two identical daughter nuclei

Question 10

cancer

Answer 10

a group of disorders in which certain cells lose their ability to control the rate of mitosis and the number of times mitosis takes place

Question 11

meiosis

Answer 11

a form of nuclear division in which the four daughter nuclei contain half the chromosome number of the parent nucleus

Question 12

centromere

Answer 12

point at which the chromosomes are attached in a double stranded chromosome