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cell bio definition > cell bio > Flashcards

cell bio Flashcards

1
Q

Glucose

A

Simple sugar and essential energy source for cells.

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2
Q

Ribose

A

A sugar present in RNA

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3
Q

Deoxyribose

A

A sugar present in DNA.

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4
Q

Starch

A

Storage form of energy in plants.

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5
Q

Glycogen

A

Storage form of energy in animals.

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6
Q

Cellulose

A

Structural polysaccharide in plant cell walls.

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7
Q

Chemically modified carbohydrates

A

Carbohydrates with altered chemical structures.

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8
Q

Glycoprotein

A

Protein with attached carbohydrate chains.

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9
Q

Conjugated molecules

A

Molecules with different types of chemical components.

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10
Q

Fats and oils

A

Lipids used for energy storage.

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11
Q

Glycerol

A

Building block of lipids.

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12
Q

Phospholipid

A

Lipid with a phosphate group, a key component of cell membranes.

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13
Q

Amphipathic molecule

A

Molecule with both hydrophobic and hydrophilic regions

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14
Q

Complementary base pairing

A

Specific bonding between adenine (A) and thymine (T), and guanine (G) and cytosine (C) in DNA.

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15
Q

Progeria

A

A rare genetic disorder causing accelerated aging in children.

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16
Q

Lamin A gene

A

A gene associated with progeria, involved in the production of a protein important for maintaining cell structure.

17
Q

Werner Syndrome

A

A genetic disorder leading to premature aging, associated with a mutation in the WRN gene

18
Q

Free Radical Theory

A

aging is caused by the damage from reactive oxygen species (free radicals) generated during cellular processes.

19
Q

Genetic Clock Theory (Telomere Theory)

A

Suggests that the aging process is linked to the shortening of telomeres, the protective caps at the ends of chromosomes.

20
Q

Accumulative-waste Theory

A

aging results from the gradual buildup of cellular waste products that impair cellular function over time.

21
Q

Acidification Theory

A

acidic products in cells and tissues contributes to the aging process.

cell bio definition (2 decks)

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