Biology 9.1-9.4

Question 1

Asexual Reproduction

Answer 1

process which a single cell or set of cells produces offspring with desired genetic traits

Question 2

Sexual Reproduction

Answer 2

process in which genetic material from two parents combines and produces offspring that differ genetically from either parent

Question 3

Spindle

Answer 3

framework of microtubules that guide the movement of chromosomes during mitosis and meiosis

Question 4

Centromere

Answer 4

region where two sister chromatids are joined tightly together

Question 5

Prophase

Answer 5

first stage of mitosis, when the already replicated chromosome condensed

Question 6

Metaphase

Answer 6

second stage of mitosis, when spindle is fully formed and all chromosomes are held in the middle

Question 7

Anaphase

Answer 7

third phase of mitosis, when sister chromatids separate and move towards the poles of spindle

Question 8

Telophase

Answer 8

Final stage of mitosis, where chromosomes reach the spindle poles, nuclear envelopes form around each set of daughter chromosomes, and nucleoli reappears

Question 9

Cytokinesis

Answer 9

Final stage of mitosis, proceed which the cytoplasm of a cell is divided into two

Question 10

Cell Plate

Answer 10

disk containing cell wall material that developes in plant cells during cytokinesis, eventually dividing the cell in two daughter cells

Question 11

Benign Tumor

Answer 11

mass of cells that remain in the same spot

Question 12

Malignant Tumor

Answer 12

mass of abnormal cells resulting from uncontrolled cancer cell division

Question 13

Cancer

Answer 13

disease controlled by severe disruption of mechanisms that normally control the cell cycle

Question 14

Metastasis

Answer 14

spread of cancer cells beyond their original site in the body

Question 15

Interphase

Answer 15

cell is preparing to divide so it grows in size making organelles and copying DNA