Chapter 10

Question 1

P M A T

Answer 1

Prophase
Metaphase
Anaphase
Telophase

Question 2

Allows multicellular eukaryote to develop from a single cell and ______, _______, or _______ cells as needed

Answer 2

Renew, repair , replace

Question 3

Most cell division results in the disrubution of identical genetic material DNA to _________

Answer 3

Two daughter cells

Question 4

Double stranded DNA in a cell

Answer 4

Genome

Question 5

Body cells humans have 23 chromosomes each total of 46

Answer 5

Somatic cell

Question 6

Pairs of chromosomes having the same length shape and gene one from mother,father

Answer 6

Homologous chromosomes

Question 7

Humans have _____(____ pairs) of homologous chromosomes

Answer 7

46 (23)

Question 8

Functional unit of chromosome, code for specific protein

Answer 8

Gene

Question 9

Gene is located in a certain location on a chromosome called a ______

Answer 9

Locus

Question 10

Two sets of homologous chromosomes (one from each biological parent)

Answer 10

Diploid (n) (somatic)

Question 11

One set of chromosomes

Answer 11

Haploid (n)

Question 12

Humans _____ cells are called Gametes or sex cells (egg, sperm)

Answer 12

Haploid

Question 13

A sequence of three stages

Answer 13

Cell cycle

Question 14

Cell cycle; interphase, _________, cytoplasmic, division

Answer 14

Mitosis

Question 15

What produces two daughter cells

Answer 15

Cell cycle

Question 16

Three stages, during which a cell increases in size, doubles the number of cytoplasmic components and replicates its DNA

Answer 16

Interphase

Question 17

Interval of cell growth and activity

Answer 17

G1

Question 18

Interval of DNA replication (synthesis)

Answer 18

S

Question 19

Interval when the cell prepares for division

Answer 19

G2

Question 20

Most cell activities take place during ___

Answer 20

G1

Question 21

Los of control may cause ______________

Answer 21

Cell death or cancer

Question 22

1st step of mitosis

Answer 22

Prophase

Question 23

Chromosomes condense and become visible

Answer 23

Prophase

Question 24

Spindle fibers emerge from the centresomes

Answer 24

Prophase

Question 25

Nuclear envelop breaks down

Answer 25

Prophase

Question 26

.chromosome condense Kinetochore appears at cetrosomes Mitosis spindle attaches to kinetochore Centrosome moves towards opposite poles

Answer 26

Prometaphase

Question 27

Centrosome at opposite ends Chromosome lined up at metaphase plate Each sister chromatid attached to spindle

Answer 27

Metaphase

Question 28

Sister chromatid (now chromosomes) move towards opposite pole Non-kinetchore spindle fibers lengthen elongating cell

Answer 28

Anaphase

Question 29

Chromosome arrive at opposite poles and being to condense Nuclear envelop surrounds each set of chromosomes Two new nuclei are formed, each with the same chromosome number as the parent cell

Answer 29

Telophase

Question 30

Physical separation of cytoplasm

Answer 30

Cytokineses

Question 31

A cleavage furrow forms at metaphase plate

Answer 31

Animal cells

Question 32

Cell plate Formation of cell wall that produce two daughter cells

Answer 32

Plant cells

Question 33

G1 check point All conditions are favorable for cell to divide

Answer 33

G1 check point

Question 34

All chromosomes are replicated DNA not damaged

Answer 34

G2 check point

Question 35

End of metaphase All sister chromatids are attached to spindle fibers

Answer 35

M check point

Question 36

Uncontrolled cell division Malignant Metastasis

Answer 36

Cancer

Question 37

Mutated version of a normal gene involved in positive regulation of a cell cycle

Answer 37

Oncogene

Question 38

Normal gene, when mutated turns to oncogene

Answer 38

Proto-oncogene

Question 39

Segment of DNA that codes for regulator protein that prevents cell from undergoing uncontrolled division

Answer 39

Tumor suppressor genes

Question 40

Binary Fission; a sexual reproduction by a separation of the body into two new bodies

Answer 40

How prokaryotes divide

Question 41

Prophase “means ____”

Answer 41

Before

Question 42

Metaphase “means M for _______”””

Answer 42

Middle

Question 43

Anaphase “ A for _____”

Answer 43

Away

Question 44

Telophase “ T for ____”

Answer 44

Two end goal two new cells

Question 45

Responsible for the final separation of the two cells by splitting the cytoplasm after the PMAT mitosis stages

Answer 45

Cytokinesis