CELL CYCLE Fill in the blank mitosis Cell

CELL CYCLE

Fill in the blank mitosis Cell Division Vocab. ? ? 10 10 10 20 20 20 30 30 30 40 40 40 50 50 50

Question 1 - 10 Cells divide to repair tissues, to grow, and to_______.

Answer 1 – 10 Reproduce

Question 1 - 20 _______ only exist when a chromosome replicates itself before cell division.

Answer 1 – 20 • Chromatides

Question 1 - 30 Another word for chromosome is chromatid, which is an exact copy of the original chromosome. True or False

Answer 1 – 30 True

Question 1 - 40 • The gap 1, gap 2, and synthesis stages of the cell cycle make up • A. interphase • B. telophase • C. cytokinesis • D. mitosis

Answer 1 – 40 A. Interphase

Question 1 - 50 • What are cells containing all chromosomes?

Answer 1 – 50 diploid cells

Question 2 - 10 Which of the following phrases best describes cancer? A. absence of cyclins in the DNA B. multiple gene mutations on a chromosome of DNA C. uncontrolled cell growth caused by mutations in genes that control the cell cycle True False D. presence of genetic defects caused by hereditary disorders

Answer 2 – 10 C. uncontrolled cell growth caused by mutations in genes that control the cell cycle

Question 2 - 20 • Which of the following phases of mitosis is represented by the diagram below? • • • A. prophase B. metaphase C. anaphase • D. telophase This Photo by Unknown author is licensed under CC BY-NC.

Answer 2 – 20 B. metaphase

Question 2 - 30 Plant 2 is produced asexually from Plant 1. If the leaf cells of Plant 1 have 56 chromosomes, how many chromosomes will be found in the leaf cells of Plant 2? A. 14 B. 28 C. 56 D. 112

Answer 2 – 30 c. 56

Question 2 - 40 5. Which of the following occurs during mitosis? A. The cell membrane pinches one cell into two. B. The chromosomes of the parent cell are copied. C. The parent cell takes in nutrients and doubles in size. D. The nucleus of the parent cell divides into two nuclei.

Answer 2 – 40 • D. The nucleus of the parent cell divides into two nuclei.

Question 2 - 50 • 6. During Interphase a cell grows, duplicates organelles, and ______. • A. Copies DNA. • B. Divides the nucleus. • C. Divides the cytoplasm. • D. Produces a new cell.

Answer 2 – 50 A. Copies DNA.

Question 3 - 10 Why do cells lining the stomach divide more quickly than those in the liver? A. They are much smaller cells. B. They have fewer chromosomes. C. They need much more surface area. D. They undergo more wear and tear.

Answer 3 – 10 • D. They undergo more wear and tear.

Question 3 - 20 Which statement describes the chromosome shown in picture: A. It is made up of two histones. B. It is made up of two chromatids C. It is made up of two centromeres. D. It is made up of two telomeres This Photo by Unknown author is licensed under CC BY-ND.

Answer 3 – 20 • B. It is made up of two chromatids

Question 3 - 30 • In a single celled organism, mitosis is used for • • A. development. B. reproduction. C. growth. D. repair

Answer 3 – 30 B. Reproduction

Question 3 - 40 • Multicellular organisms use mitosis for growth, development and ______ • • A. apoptosis B. repair C. reproduction D. interphase

Answer 3 – 40 B. Repair

Question 3 - 50 • What does the cell make during the synthesis stage of the cell cycle? • • A. more organelles B. a copy of DNA C. daughter cells D. greater surface area

Answer 3 – 50 B. A copy of DNA

Question 4 - 10

Answer 4 – 10 • Interphase

Question 4 - 20

Answer 4 – 20 • Anaphase

Question 4 - 30 • Two nuclear membranes are formed around the chromosomes located at opposite ends of the cell. What stage is this?

Answer 4 – 30 • Cytokinesis

Question 4 - 40 • Each chromosome is made of identical halves called ___

Answer 4 – 40 • Chromatids

Question 4 - 50 • During prophase, as the centrioles are migrating to opposite ends of the cell, their spindle fibers attach to the _____ of the chromatids.

Answer 4 – 50 • Centromeres

Question 5 - 10 • If you can count 46 centromeres during mitosis, how many chromosomes are present?

Answer 5 – 10 • 46

Question 5 - 20 • The paired chromatids are pulled apart during anaphase. The new cells that are formed consist of chromatids, now called chromosomes. During which phase of the cell cycle is DNA replicated? ”

Answer 5 – 20 • S Phase of Interpase

Question 5 - 30 • During the cell cycle, Interphase lasts the longest, true or False?

Answer 5 – 30 • True

Question 5 - 40 • The period of cell division is called ______. • A interphase B cytokinesis C mitosis D protoplasm •

Answer 5 – 40 • C) Mitosis

Question 5 - 50 • The process where the cytoplasm divides is called ______. • A anaphase B telophase C cytokinesis D prophase •

Answer 5 – 50 • C) cytokinesis