Biology Ch 5/6

Question 0

What is the major difference between binary fission and mitosis?

Answer 0

Binary fission- prokaryotes

Mitosis- eukaryotic cells

Question 1

What type of offspring are produced by asexual reproduction?

Answer 1

Genetically identical

Question 2

What is the advantage of asexual reproduction?

Answer 2

It doesn’t waste any energy trying to attract a mate.

Question 3

The most common form of reproduction among prokaryotes

Answer 3

Binary fission

Question 4

What is the main difference. Between binary fission and mitosis?

Answer 4

Binary fission occurs in single celled organisms only

Question 5

Starfish the reproduce by splitting into pieces are reproduced by

Answer 5

Fragmentation

Question 6

Vegetative reproduction, budding, and fragmentation are examples of

Answer 6

Asexual mitotic reproduction

Question 7

How do gametes differ from somatic cells?

Answer 7

Gametes are sex cells ans somatic cells are body cells

Question 8

A kidney cell is an example of what type of cell?

Answer 8

Somatic cell

Question 9

How many chromosomes are in a gamete?

Answer 9

23

Question 10

Which phase best describes the process of meiosis?

Answer 10

Produces haploid gametes

Question 11

During which phase do homologous chromosomes separate?

Answer 11

Anaphase 1

Question 12

During which phase do sister chromatids separate?

Answer 12

Anaphase 2

Question 13

What happens to sister chromatids in meiosis 2?

Answer 13

They are divided

Question 14

Gametogenesis is the term for

Answer 14

The production of gametes

Question 15

What does an egg contribute to the embryo that a sperm does not have?

Answer 15

Organelles

Question 16

What are the four stages of the cell cycle?

Answer 16

Gap 1, synthesis, gap 2, mitosis

Question 17

What two processes make up the M phase of the cell cycle?

Answer 17

Mitosis and cytokinesis

Question 18

The process of mitosis and cytokinesis produce two identical

Answer 18

Daughter cells

Question 19

The process of organizing and condensing DNA into its compact form takes place at the start of

Answer 19

Interphase

Question 20

Which is the term for the group of proteins that organizes and condenses long strands of DNA into tight cells?

Answer 20

Histones

Question 21

During which phase of mitosis do sister chromatids separate from each other?

Answer 21

Anaphase

Question 22

What is true of cytokinesis?

Answer 22

Completes the cell cycle

Question 23

In which stage of the cell cycle do the nucleus and it’s contents divide?

Answer 23

Mitosis

Question 24

During the gap 1 stage of the cell cycle, a cell

Answer 24

Carries out its normal functions

Question 25

What phrase best describes cytokinesis?

Answer 25

Division of the cytoplasm

Question 26

What is the limit of the maximum size of a cell

Answer 26

The ratio of cell surface area to volume

Question 27

What role do histones play In a cell?

Answer 27

DNA wraps Around organizing proteins

Question 28

Each half of the duplicated chromosome

Answer 28

Chromatid

Question 29

Programmed cell death

Answer 29

Apoptosis

Question 30

How does a benign tumor differ from a malignant tumor?

Answer 30

Benign tumors are clumped and malignant tumors break away

Question 31

Proteins that bind to cells and simulate cell division are called

Answer 31

Growth factors

Question 32

What is the term for programmed cell death?

Answer 32

Apoptosis

Question 33

Two internal factors that are important in advancing the cell cycle are

Answer 33

Kinases and cyclins

Question 34

What phrase best describes cancer

Answer 34

Uncontrolled cell growth

Question 35

Substances known to produce or promote cancer are called

Answer 35

Carcinogens

Question 36

Step during the cell cycle when: cells grow, carry out normal function, and copy their organelles

Answer 36

Gap 1

Question 37

Step in the cell cycle when cells go through additional growth

Answer 37

Gap 2

Question 38

In the cell cycle when cells undergo cell division, which involves both mitosis and cytokinesis

Answer 38

Mitosise

Question 39

Step in the cell cycle when cells replicate DNA

Answer 39

Synthesis

Question 40

One long continuous thread of DNA that has many genes and regulatory info

Answer 40

Chromosome

Question 41

Cells must pass through a critical checkpoint doing what two stages of the cell cycle

Answer 41

Gap 1 and gap 2

Question 42

What two processes make up the mitosis stage

Answer 42

Mitosis and cytokinesis

Question 43

Stage where cells carry out normal function but are unlikely to divide

Answer 43

G0

Question 44

Interface prepares a cell to divide by ______ it's DNA and organelles

Answer 44

Dividing

Question 45

DNA wraps around organized proteins called

Answer 45

Histones

Question 46

Sexual reproduction produces genetically _____ offspring

Answer 46

Unique

Question 47

Asexual reproduction produces genetically_____ offspring

Answer 47

Identical

Question 48

Number of chromosomes in a typical human body cell

Answer 48

46

Question 49

Where are gametes located

Answer 49

Sex sells

Question 50

What are the two major groups of cell types in the human body

Answer 50

Somatic cells and gametes

Question 51

Where is mitotic reproduction most common

Answer 51

Simple plants and animals