Cell Cycle, Mitosis & Meiosis

Question 1

The number of chromosomes in a human gamete is __.

Accepted Answer

23

Question 2

What is the name of the structure marked 'x'?

Accepted Answer

Centrosome

Question 3

Why are cells typically very small?

Accepted Answer

Limits of diffusion

Question 4

Mitosis results in __ daughter cells; meiosis results in __ daughter cells.

Accepted Answer

2 identical; 4 different

Question 5

What occurs during metaphase 1 that increases genetic diversity of gametes?

Accepted Answer

Independent Assortment

Question 6

A cell with 72 chromosomes undergoes meiosis. The resulting cell will have ___ chromosomes.

Accepted Answer

36

Question 7

Which phase is shown here?

Accepted Answer

Prophase

Question 8

Which of the following would be a haploid cell in a human?

Accepted Answer

Sperm, Egg

Question 9

Which phase of the cell cycle is the longest?

Accepted Answer

Interphase

Question 10

Which is the correct order from smallest to largest?

Accepted Answer

Cell--tissue--organ--organ system

Question 11

Migration of the daughter chromosomes to the two poles is complete

Accepted Answer

Telophase

Question 12

What do you call a substance that can cause cancer?

Accepted Answer

carcinogen

Question 13

Which phase occurs directly after anaphase?

Accepted Answer

Telophase

Question 14

Cells that have 2 of each chromosome are called

Accepted Answer

diploid

Question 15

What is this called?

Accepted Answer

Chromosome

Question 16

Chromosomes become aligned along the equatorial plane of the cell

Accepted Answer

Metaphase

Question 17

You are testing a drug that stops spindle fiber formation. Which cell cycle phase is affected?

Accepted Answer

Mitosis

Question 18

A cell with 10 chromosomes undergoes mitosis. How many daughter cells are created?

Accepted Answer

2

Question 19

In which phase does the cell divide?

Accepted Answer

Mitosis

Question 20

Which structure pulls the chromosome apart into two pieces?

Accepted Answer

Spindle Fibers

Question 21

In which phase do the spindle fibers begin to form?

Accepted Answer

Prophase

Question 22

Differentiation is

Accepted Answer

Stem cells becoming specific types of cells

Question 23

Which phase is shown here?

Accepted Answer

Metaphase

Question 24

In which phase does the cell duplicate its DNA?

Accepted Answer

S

Question 25

What is the primary characteristic of cancer?

Accepted Answer

Cells divide quickly

Question 26

Cells that are undifferentiated but can develop into specific types of cells are called

Accepted Answer

stem cells

Question 27

When cells destroy themselves due to damaged DNA this is called

Accepted Answer

Apoptosis

Question 28

The number of chromosomes in a human somatic cell is _______.

Accepted Answer

46

Question 29

Which phase is shown here?

Accepted Answer

Anaphase

Question 30

Why is DNA packaged in prophase?

Accepted Answer

So it can be easily moved to the daughter cells

Question 31

Which phase is shown here?

Accepted Answer

Telophase

Question 32

Which of the following would be a diploid cell in a human?

Accepted Answer

Skin

Question 33

What is the ultimate purpose of sexual reproduction?

Accepted Answer

Increase genetic diversity of offspring

Question 34

What occurs during prophase 1 that increases genetic diversity of gametes?

Accepted Answer

Crossing Over

Question 35

The organelles that produce spindle fibers for cell division are called

Accepted Answer

Centrosomes

Question 36

Which process prevents babies being born with webbed fingers?

Accepted Answer

Apoptosis

Question 37

In which phase does the DNA condense and become visible?

Accepted Answer

Prophase

Question 38

Offspring that are genetically unique are the result of

Accepted Answer

sexual reproduction.

Question 39

DNA replication occurs during?

Accepted Answer

Interphase

Question 40

What structure is indicated by the arrow?

Accepted Answer

Centromere

Question 41

In which phase will the new nuclei form?

Accepted Answer

Telophase

Question 42

Diploid cells have __ of each chromosome; haploid cells have __ of each chromosome.

Accepted Answer

2; 1

Question 43

Meiosis is used for what?

Accepted Answer

Production of gametes

Question 44

In which phase do the spindle fibers pull the sister chromatids apart?

Accepted Answer

Anaphase

Question 45

Which of the following is a carcinogen?

Accepted Answer

all of the above

Question 46

If a lion cell has 42 chromosomes, how many chromosomes should a lion zygote have?

Accepted Answer

42

Question 47

What are the two pieces called after the chromosome is broken apart?

Accepted Answer

Sister Chromatids

Question 48

What would happen to the daughter cells if no S-phase occurs

Accepted Answer

Both cells would probably die, Both cells would get some DNA, One cell would get no DNA

Question 49

The process of dividing the cytoplasm into two separate daughter cells is called?

Accepted Answer

Cytokinesis

Question 50

Which phase is not a part of interphase?

Accepted Answer

Mitosis

Question 51

Which of the following cell types would divide often even in an adult?

Accepted Answer

Hair

Question 52

In which phase do the spindle fibers form fully and attach to the centromeres?

Accepted Answer

Metaphase

Question 53

Which phase is shown here?

Accepted Answer

Anaphase

Question 54

A cell with 10 chromosomes undergoes mitosis. Each daughter cell has ___ chromosomes.

Accepted Answer

10

Cell Cycle, Mitosis & Meiosis

Questions 54

Cell Cycle, Mitosis & Meiosis

Questions 54