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Homework Flashcards

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Biology 101 flashcards
1
Q

What is the purpose of DNA replication?

A

To create two identical strands of DNA molecule to use for growth/repair

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2
Q

What are the 3 parts of a nucleotide?

A

Phosphate group

Sugar (5 carbon)

Nitrogenous base

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3
Q

What bond holds DNA base pairs together

A

Hydrogen bonds

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4
Q

What molecular force causes DNA to form/ twist into a double helix

A

Hydrophobic interactions

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5
Q

What bond holds nucleotides together?

A

phosphodiester bond

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6
Q

What is the monomer of nucleic acids?

A

NucleoCides

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7
Q

What are the polymers of nucleic acids?

A

Polynucleotides

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8
Q

Two main functions of DNA?

A

Stores + transmits biological information

Carries information for organism’s growth

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9
Q

How many strands does RNA have and what shape does it make?

A

One strand, hairpin structure

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10
Q

How many strands does DNA have and what shape does it form?

A

Two strands, double helix

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11
Q

What is the main function of RNA

A

To create proteins

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12
Q

What are the DNA base pairs

A

A-T, g-c

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13
Q

The backbone of the double helix has alternating () and ()

A

Deoxyribose sugar and phosphate groups

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14
Q

What does DNA stand for

A

Deoxyribonucleic acid

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15
Q

How are monomers related to polymers?

A

Monomers combine to make up polymers. Monomers are the “building blocks”.

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16
Q

The linkage Or bond between monosaccharides is called

A

A glycosidic bond

17
Q

What type of reaction occurs when monosaccharides bond together

A

Condensation

18
Q

Hydrolysis reactions occur

A

When glycosidic bonds are broken

19
Q

When hydroxyl groups are positioned under a place of a sugar ring it is called

A

Alpha glycosidic bonds

20
Q

When hydroxyl groups are positioned over a place of a sugar ring it is called

A

Beta glycosidic bonds

21
Q

What is the structure and type of glycogen molecules

A

Polysaccharide and polymer

22
Q

What is the structure and type of sucrose

A

Dinner, and disaccharide

23
Q

What is the structure and type of glucose

A

Monosaccharide and monomer

24
Q

What is the main function of glucose for a cell.

A

To provide energy for the cell

25
Q

What is the main function of starch for a plant

A

Storing energy

26
Q

What is the main function of glycogen for an animal

A

Stores energy in muscles and liver

27
Q

When combining two monosaccharides, what molecule is released

A

Water

28
Q

What molecule is involved in the breaking of glycosidic bonds

A

Water

Bio (12 decks)

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