Cell Theory Flashcards

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1
Q

How many cells in the human body?

A

37.2 trillion

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2
Q

How many distinct mammalian cell types?

A

200

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3
Q

How many protein coding genes?

A

20,000

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4
Q

All cell types develop from…

A

pluripotent stem cells

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5
Q

What is involved in the central dogma of molecular biology?

A

Transcription & Translation

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6
Q

Epigenetics

A

Alternations in gene expression that does not depend on changes in DNA sequences

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7
Q

Mitochondrial DNA

A

DNA comes from mother

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8
Q

Nucleated DNA

A

DNA comes from both parents

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9
Q

Name the 2 phases of glycolysis

A
  1. Energy Investment
  2. Energy payoff
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10
Q

Lysosomes

A

Contain digestive
enzymes for waste removal

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11
Q

Cytoskeleton

A

Structural proteins – give cell characteristic shape and support Important for motility and transport

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12
Q

Name the 6 stages of mitosis and cell division

A
  1. Interphase
  2. Prophase
  3. Metaphase
  4. Anaphase
  5. Telophase
  6. Cytokinesis (daughter cells)
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13
Q

Apoptosis

A

Programmed cell death

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