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Science Flashcards > Dna Review > Flashcards

Dna Review Flashcards

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Biology 101 flashcards
1
Q

Cell theory

A

1) Created by other cells
2) basic structure of life
3) organisms are made up of one or more cells

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2
Q

how specialized cells share a division of labor

A

Specialized cells do one type of job

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3
Q

5 levels of organization in the human body

A 
Cell
Tissue
Organ
Organ system
Organism
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4
Q

difference between an element and a compound

A

Element: made of one chemical

Compound: made of more than one element

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5
Q

functions of the 4 organic compounds found in cells

A

Lipids
Carbon
Protein
Carbohydrates

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6
Q

the differences between plant and animal cells

A

Plant cells have cell walls, and chloroplasts while animal plants don’t

Animal cells have Lysosome

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7
Q

Function of cell wall

A

To protect the plant cell

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8
Q

Function of ribosomes

A

Creates proteins

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9
Q

Function of nucleus

A

To control cells action

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10
Q

Function of mitochondria

A

Powerhouse of the cell

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11
Q

Organelles that help move materials through the cell

A

Endoplasmic reticulum
Golgi apparatus
Cell membrane

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12
Q

Characteristics of living thins

A 
Reproduce
Responds to things around the 
Gets rid of wastes
Grows
Cellular organization
Uses energy
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13
Q

The four needs of living things

A

Food
Stable internal conditions
Living space
Water

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14
Q

Autotrophs and heterotrophs

A

Autotrophs: creates their own food

Heterotrophs: Feeds off of other organisms

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15
Q

Asexual vs sexual

A

Asexual: has on,y one parent and is a clone of the parent
Sexual: has two parents

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16
Q

Structure of rna and Dna

A

Rna: half a Double helix
Dna: double helix

17
Q

Function of DNA RNA

A

Rna provides codes to make proteins

Dna Creates codes

18
Q

Gene

A

A sequence of DNA that determines a trait and is passed from parent to offspring.

19
Q

DNA replication

A

1) DNA unzips itself
2) nitrogen bases in the nucleus pairs up with the bases on the DNA halves
3) two new identical DNA molecules are formed

20
Q

Multicellular Vs Unicellular

A

Multicellular: Made more of one cell

Unicellular: made of one cell

21
Q

Necessary inorganic compound cells need to live

A

Water

22
Q

Why would cells need water

A

Carries substances through the body
Water changes temperatures slowly
Dissolves substances
Helps cells keep shape

23
Q

Which Nucleic acid pairs up with Adenine

A

Thymine

24
Q

What protein pairs up with cytosine

A

Guanine

25
Q

What is the protein RNA has but not DNA

A

Uracil

Science Flashcards (11 decks)

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