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Science > Life Substances > Flashcards

Life Substances Flashcards

1
Q

How many valence electrons does carbon have?

A

4

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2
Q

What is a disaccharide

A

2 sugars

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3
Q

Three examples of carbs

A

Soft drinks pasta potatoes

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4
Q

Four examples of lipids

A

Fats waxes steroids oils

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5
Q

What are three jobs of lipids

A

Insulate the body protect organs store energy

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6
Q

What is the difference between a saturated and unsaturated fat

A

Saturated fat is single unsaturated fat is double

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7
Q

Which is from a animal and which is from a plant

A

Saturated:animals unsaturated:plants

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8
Q

Which is better for you

A

Unsaturated

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9
Q

What is the building block of carbohydrates

A

Monosaccharides

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10
Q

What do sugars end in

A

Ose

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11
Q

What is the function of carbohydrates in the body

A

Gives us energy

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12
Q

When a polysaccharide is broken down what is it broken down into

A

Monosaccharides

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13
Q

Explain the difference between a monomer and a polymer

A

Monomer means one

Polymer means many

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14
Q

Give two examples of nucleic acids

A

DNA RNA

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15
Q

Give two examples of proteins

A

Meat eggs

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16
Q

What is the building block of proteins

A

Cells

17
Q

How many amino acids are there

A

20

18
Q

What are the functions of proteins in a cell

A

Build, get energy, act as hormones

19
Q

What are the directions to make nucleic acids

A

Proteins

20
Q

What is the building block of a nucleic acids

A

Nucleotide

21
Q

What type of bond holds amino acids in a protein together

A

Reptide bonds

22
Q

What is the function of an enzyme

A

Speed up digestion

23
Q

What are the three parts of a nucleotide

A

Sugar, nitrogen base, and phosphate

24
Q

How do you make a protein

A

Dehydration synthesis

25
Q

What are the four nitrogen bases for DNA

A

Adenine, guanine, thymine, and cytosine

26
Q

Follow the order from smallest to largest

A

DNA, gene, chromosome, and nucleus

Science (15 decks)

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