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7-4-3 Review

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Page 1: 7-4-3 Review. Hydra Budding Internal Fertilization Runners Binary Fission Pollination Yeast Cells Budding External Fertilization Regeneration Hydra Budding

7-4-3 Review

Page 2: 7-4-3 Review. Hydra Budding Internal Fertilization Runners Binary Fission Pollination Yeast Cells Budding External Fertilization Regeneration Hydra Budding

HydraBudding

InternalFertilization

Runners

Binary Fission

Pollination

Yeast Cells Budding

External Fertilization

Regeneration

HydraBudding Internal

Fertilization

Runners

Binary Fission

Pollination

Yeast Cells Budding

External Fertilization

Regeneration

Page 3: 7-4-3 Review. Hydra Budding Internal Fertilization Runners Binary Fission Pollination Yeast Cells Budding External Fertilization Regeneration Hydra Budding
Page 4: 7-4-3 Review. Hydra Budding Internal Fertilization Runners Binary Fission Pollination Yeast Cells Budding External Fertilization Regeneration Hydra Budding
Page 5: 7-4-3 Review. Hydra Budding Internal Fertilization Runners Binary Fission Pollination Yeast Cells Budding External Fertilization Regeneration Hydra Budding
Page 7: 7-4-3 Review. Hydra Budding Internal Fertilization Runners Binary Fission Pollination Yeast Cells Budding External Fertilization Regeneration Hydra Budding
Page 8: 7-4-3 Review. Hydra Budding Internal Fertilization Runners Binary Fission Pollination Yeast Cells Budding External Fertilization Regeneration Hydra Budding

                                    Researchers from Children's Hospital Boston have found a way to regrow damaged brain cells, a finding that could bring new treatments for spinal cord and brain injuries.

By silencing genes that prevent neuron regenerating the researchers showed that brain cells in mice would regrow vigarously after being damaged.

When the genes were silenced 50% of damaged neurons survived after two weeks compared to just 20% in those untreated mice. Some of the treated mice also showed significant axon regrowth - the long arms of a neuron used to transmit signals.

While the tests show that neurons and axons can be regrown, it's unclear whether their function is fully restored.

Page 9: 7-4-3 Review. Hydra Budding Internal Fertilization Runners Binary Fission Pollination Yeast Cells Budding External Fertilization Regeneration Hydra Budding

MITOSIS

Creates identical cells like itself

It can grow skin from skin cells

It can grow a heart from heart cells

It can grow your nervous systemfrom nerve cells

Mitosis makes you grow andrepairs damaged cells !

Page 10: 7-4-3 Review. Hydra Budding Internal Fertilization Runners Binary Fission Pollination Yeast Cells Budding External Fertilization Regeneration Hydra Budding

MEIOSIS

Creates the sex cells

Sperm has half the informationto make a person

Eggs have half the informationto make a person

Together, they make a person.

Page 11: 7-4-3 Review. Hydra Budding Internal Fertilization Runners Binary Fission Pollination Yeast Cells Budding External Fertilization Regeneration Hydra Budding

Adrenal gland

Adrenal gland

ovaries

ovaries

veins

veins

bronchi

bronchi

skull

skull

intestines

intestines

testes

testes

Page 12: 7-4-3 Review. Hydra Budding Internal Fertilization Runners Binary Fission Pollination Yeast Cells Budding External Fertilization Regeneration Hydra Budding

1. Which flower can pollinate itself?

2. Which flower can only make pollen?

3. Which flower can only produce eggs?

4. Which flowers can cross pollinate?