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Biology > Cell Division > Flashcards

Cell Division Flashcards

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1
Q

The prokaryotic cell cycle is different from the eukaryotic cell cycle because?

A

It does not involve mitosis

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2
Q

Which scientist made X-ray diffraction photos of DNA?

A

Franklin

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3
Q

What is the correct sequence of the cell cycle?

A

G1-> S-> G2-> mitosis-> cytokinesis

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4
Q

During normal mitotic cell division, a parent cell that has four chromosomes will produce two daughter cells, each containing?

A

Four chromosomes

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5
Q

The overall process by which a cell becomes two daughter cells is called?

A

Cell division

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6
Q

A DNA nucleotide may be made up of a phosphate group, along with?

A

Deoxyribose sugar and thymine

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7
Q

What is the proper sequence of mitosis?

A

Prophase metaphase anaphase telophase

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8
Q

Compared to small cells, large cells have more trouble?

A

Moving needed materials in and waste products out through diffusion

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9
Q

The backbone of a DNA molecule is made up which two components?

A

Phosphate molecules and deoxyribose sugar’s

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10
Q

And eukaryotic cells, the cell cycle stopped at certain requirements are not met. These are called?

A

Checkpoints

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11
Q

Why is the synthesis stage called this?

A

Because DNA synthesis is taking place

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12
Q

What is the role of the spindle during mitosis?

A

It organizes and help separate the sister chromatids

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13
Q

Which of the following is a correct statement about the events of the cell cycle? During the G1 and G2 phases the cell grows and prepares for cell division, DNA replicates during cytokinesis, or interface consist of the M2 face

A

During the G1 and G2 phases the cell grows and prepares for cell division

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14
Q

The cell cycle is the?

A

Series of events that cells go through as they grow, replicate their DNA, and divide

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15
Q

What occurs after cytokinesis is completed?

A

The cell enters G1

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16
Q

DNA replication results into DNA molecules,

A

Each with one new strand and one original strand

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17
Q

One difference between cell division in plants and in animal cells is that plant cells have?

A

A cell plate

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18
Q

An example of an organism that reproduces with binary fission is?

A

Bacterium

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19
Q

Cancer is a disorder in which some cells have lost their ability to control there?

A

Cell growth and division

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20
Q

During DNA replication, a complementary strand of DNA is made from each original DNA strand. Thus, if a portion of the original strand is CCTAGCT, then the new strand will be?

A

GG a TC GA

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21
Q

As a cell becomes larger, it’s?

A

Volume increases faster than its surface area

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22
Q

A cell that undergoes repeated mitosis without cytokinesis would have?

A

Many nuclei

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23
Q

By the end of prophase, each of the following has occurred except: breaking down of the nuclear envelope, condensing of genetic material into chromosomes, or lining up of chromosomes in the equator of the cell?

A

Lining up of chromosomes in the equator of the cell

24
Q

During which phase of mitosis to the chromosomes line up along the middle of the dividing cell?

A

Metaphase

25
Q

The two main stages of eukaryotic cells and cell division are called?

A

Mitosis and cytokinesis

26
Q

The synthesis phase is characterized by?

A

DNA replication

27
Q

What organic polymer stores information in a cell?

A

Nucleic acids

28
Q

How did prokaryotes reproduce asexually?

A

Binary fission

29
Q

A multicellular organism begins life as a single cell – a fertilized egg with a complete set of chromosomes. The cell divides to become to sell them for cells eight cells and so on which of the following statements best describes what happens during this process?

A

Chromosomes are duplicated for cell division so that each new daughter cell has a complete set

30
Q

A cell has 12 chromosomes. How many chromosomes will each daughter cell have?

A

12

31
Q

What part of the cell cycle consist of G1, S and g2?

A

Interphase

32
Q

When during the cell cycle are chromosomes visible?

A

Only during cell division

33
Q

In order for a cell to divide successfully, the cell must first?

A

Duplicate it’s DNA

34
Q

In prophase, double, chromosomes appear instead of single due to which part of interphase?

A

S-phase

35
Q

From biggest to smallest in size list the five parts of a cell?

A

Cell, nucleus, chromosome, DNA, nucleotide

36
Q

When during the cell cycle is the cells DNA replicated?

A

S phase

37
Q

Which of the following describes the total area of the cells membrane?

A

Surface area

38
Q

The total amount of metabolism waste produced by cell depends on the cells?

A

Volume

39
Q

A cell that is undergoing mitosis is examined with a light microscope and observation. What would allow for identification of the cell as an animal cell rather than a plant cell would be?

A

The centrioles migrating

40
Q

In which cells is the accurate transmission of information most important?

A

Sex cells

41
Q

What is the role of the spindle fibers during mitosis?

A

They help separate the chromosomes

42
Q

Cells become specialized in the process of?

A

Differentiation

43
Q

Watson and crick by the first to suggest that DNA is?

A

The shape of the double helix

44
Q

Chromatid is attached to spindle fiber by the?

A

Centromere

45
Q

During which phase of the cell cycle does mitosis happen?

A

M phase

46
Q

The two types of nucleic acid’s are?

A

DNA and RNA

47
Q

Which of the following is not a monomer? Or glucose molecule, and amino acid, a nuclear tide, or a protein?

A

Protein

48
Q

In telophase the spindle breaks down, chromosomes unwind a nuclear membrane three form. This is essentially the opposite of what happens in?

A

ProPhase

49
Q

Which of the following is not a function of mitosis in animals: production of gametes, growth of organism, repair of damaged tissue, or cell replacement?

A

Production of gametes

50
Q

A human bone marrow sell, and ProFace contains 46 chromosomes. How many chromatids does it contain?

A

96

51
Q

Normal cells become cancer cells when?

A

Cells do not respond to checkpoint

52
Q

In what kind of cells does cytokinesis begin with a furrow that pinches the cell?

A

Animal

53
Q

The ____ a cell is the more difficult it is for the cell to move enough materials across the cell membrane

A

Bigger

54
Q

In all living things, DNA replication must occur ____ cell division

A

Before

55
Q

Prokaryotes divide by?

A

Binary fission

Biology (9 decks)

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