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Biology > B2 - Cell Division > Flashcards

B2 - Cell Division Flashcards

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1
Q

New Cells are needed for an __________ to Grow.

A

Organism.

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2
Q

New Cells need to ________ Cells that become Worn out and to Repair _________ Tissue.

A

Replace…Damaged…

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3
Q

Each of your Cells has a Nucleus that contains ____________.

A

Chromosomes.

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4
Q

Chromosomes carry the Genes that contain the instructions for making both New _______ and all the Tissues and _______.

A

Cells…Organs…

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5
Q

A Gene is a small packet of ____________ that controls a Characteristic of your Body.

A

Information.

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6
Q

A Gene is a section of ____.

A

DNA.

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7
Q

In Body Cells, Chromosomes are found in ______.

A

Pairs.

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8
Q

Body Cells divide in a series of Stages called the Cell ______.

A

Cycle.

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9
Q

Cell Division in the Cell Cycle involves a Process called ________ and it produces two Identical _____.

A

Mitosis…Cells…

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10
Q

During the Cell Cycle, the Genetic ________ is Doubled.

A

Material.

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11
Q

In Asexual _______________, the Cells of the Offspring are produced by _________ from the Cells of their Parents.

A

Reproduction…Mitosis…

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12
Q

The Cell Cycle can take less than ___ Hours or over Several ________.

A

24…Years…

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13
Q

What is Stage 1 of the Cell Cycle?

A

The Longest Stage. Cells Grow Bigger and Replicate their DNA to form Two Copies of each Chromosome, also Increase the number of Sub-Cellular Substances like Mitochondria, Ribosomes and Chloroplasts.

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14
Q

What is Stage 2 of the Cell Cycle?

A

Mitosis occurs.

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15
Q

What is Stage 3 of the Cell Cycle?

A

The Cytoplasm and the Cell Membranes divide to form Two Identical Daughter Cells.

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16
Q

What is Mitotic Cell Division important in?

A

The Growth, Repair and Development of Multicellular Organisms.

17
Q

As Cells Divide, Grow and ________, they also begin to _______________.

A

Develop…Differentiate…

18
Q

In the early Development of Animal and ______ Embryos, the Cells are _______________.

A

Plant…Unspecialised…

19
Q

Sometimes, Adult _____ Cells replace Dead or Damaged Cells.

A

Stem.

20
Q

In Plant Cells, ________ takes place throughout Life in the ___________ found in the Shoot and Root Tips.

A

Mitosis…Meristems…

21
Q

Many Types of Plant Cells retain the Ability to ______________ throughout Life.

A

Differentiate.

22
Q

Most Types of Animal _____ Differentiate at an Early ______ of Development.

A

Stage.

23
Q

Producing Identical Offspring is known as ________.

A

Cloning.

24
Q

An Egg and a ________ Cell fuse to form a _______ which is a Single New Cell.

A

Sperm…Zygote…

25
Q

When a Zygote divides and forms a Hollow Ball of Cells, it is called an?

A

Embryo.

26
Q

Embryonic Stem Cells (from Human _________) and Adult Stem Cells (from Adult Bone _______) can be Cloned and made to Differentiate into many different Types of ______.

A

Embryos…Marrow…Cells…

27
Q

Treatment with _____ Cells may be able to help ___________ such as Paralysis and Diabetes.

A

Stem…Conditions…

28
Q

Stem Cells from Plant ___________ are used to produce new Plant ________ Quickly and Economically for research.

A

Meristems…Clones…

29
Q

Many Embryonic _____ Cells come from aborted _________.

A

Stem…Embryos…

30
Q

Embryonic Stem Cells ________ and _____ Rapidly.

A

Divide…Grow…

31
Q

Treatment with Stem Cells, from Embryos or ______ Cloning, may be able to help with ____________ such as Diabetes.

A

Adult…Conditions…

32
Q

What is the Area of Stem Cell Research called?

A

Therapeutic Cloning.

33
Q

What does Therapeutic Cloning involve?

A

It involves using Cells from an Adult to produce a Cloned early Embryo of themselves.

34
Q

In the UK, Stem Cell Research is being carried out into Potential Therapies to Treat which Five Things?

A

Spinal Cord, Diabetes, Heart Damage, Eyesight and Damaged Bones.

35
Q

The use of Stem ______ has some Potential _______ and some People have ___________ or Religious Objections.

A

Cells…Risks…Ethnical…

36
Q

In Therapeutic ________, an _______ is Produced with the same Genes as the Patient so the _____ Cells Produced are not Rejected and may be used for Medical ___________.

A

Cloning…Embryo…Stem…Treatment…

Biology (18 decks)

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