DNA&RNA

Question 0

DNA

Answer 0

the set of nongenetic traits, qualities, or features that characterize a person or thing.

Question 1

Universal code

Answer 1

A code use to define DNA

Question 2

Double Helix

Answer 2

the spiral arrangement of the two complementary strands of DNA.

Question 3

Deoxyribose

Answer 3

any of certain carbohydrates derived from ribose by the replacement of a hydroxyl group with a hydrogen atom.
the sugar, HOCH 2 (CHOH) 2 CH 2 CHO, obtained from DNA by hydrolysis.

Question 4

Hydrogen bond

Answer 4

Links A with T and G with C

Question 5

Complementary

Answer 5

How each new nucleotide chain compared to the one on which it is formed

Question 6

Semi-conservative

Answer 6

disposed to preserve existing conditions, institutions, etc., or to restore traditional ones, and to limit change.

Question 7

Nucleic acid

Answer 7

any of a group of long, linear macromolecules, either DNA or various types of RNA, that carry genetic information directing all cellular functions: composed of linked nucleotides.

Question 8

Nucleotide

Answer 8

any of a group of molecules that, when linked together, form the building blocks of DNA or RNA: composed of a phosphate group, the bases adenine, cytosine, guanine, and thymine, and a pentose sugar, in RNA the thymine base being replaced by uracil.

Question 9

Phosphate

Answer 9

a salt or ester of phosphoric acid. What makes up a base

Question 10

Nitrogen base

Answer 10

A, T, G, C a nitrogen-containing organic compound that has the chemical properties of a base, especially a pyrimidine or purine.

Question 11

Covalent bond

Answer 11

What connects bases to form strands

Question 12

RNA

Answer 12

Acts as a blue print in the master code. Made of single strand. Copies DNA code and carries the genetic info to the ribosomes.

Question 13

mRNA

Answer 13

Carries message to the ribosome

Question 14

rRNA

Answer 14

Along with proteins, makes up the ribosomes

Question 15

tRNA

Answer 15

Transfers amino acids to the ribosomes where proteins are synthesized.

Question 16

Uracil

Answer 16

Replace thymine in RNA.

Question 17

Ribose

Answer 17

RNA monomer. a pentose sugar obtained by the hydrolysis of RNA.

Question 18

Replication

Answer 18

What happens when you make another DNA strand exactly like the original one

Question 19

Replication fork

Answer 19

a Y-shaped part of a chromosome that is the site for DNA strand separation and then duplication

Question 20

Helicase

Answer 20

Unzips DNA strand

Question 21

Polymerase

Answer 21

Enzyme that’s required to copy DNA.
any of several enzymes that catalyze the formation of a long-chain molecule by linking smaller molecular units, as nucleotides with nucleic acids.

Question 22

Pyrimidine

Answer 22

Thymine and cytosine

Question 23

Purine

Answer 23

Adenine and guanine

Question 24

Cytosine

Answer 24

A base that pairs with guanine

Question 25

Thymine

Answer 25

A base that's only in DNA and only pairs with Adenine

Question 26

Guanine

Answer 26

A base that pairs with cytosine

Question 27

Adenine

Answer 27

A base that pairs with thymine in DNA and uracil in RNA

Question 28

Protein synthesis

Answer 28

The production or synthesis of polypeptide chains (proteins)

Question 29

Codon

Answer 29

Link three bases

Question 30

Translation

Answer 30

A phase in protein synthesis.

Question 31

Transcription

Answer 31

Copying of the sequence of one strand of DNA, the template strand.

Question 32

Termination signal

Answer 32

Tells the RNA polymers when to stop transcribing

Question 33

Anticodon

Answer 33

Opposite the attachment site on tRNA are 3 nucleotide bases

Question 34

Introns

Answer 34

a noncoding segment in a length of DNA that interrupts a gene-coding sequence or nontranslated sequence, the corresponding segment being removed from the RNA copy before transcription.

Question 35

Exton

Answer 35

any portion of an interrupted gene that is represented in the RNA product and is translated into protein.

Question 36

Mutation

Answer 36

a sudden departure from the parent type in one or more heritable characteristics, caused by a change in a gene or a chromosome.

Question 37

Mutgen

Answer 37

a substance or preparation capable of inducing mutation.

Question 38

Point mutation

Answer 38

a change in a single base in a nucleotide sequence.

Question 39

Frame shift

Answer 39

the addition or deletion of one or more nucleotides in a strand of DNA, which shifts the codon triplets of the genetic code of messenger RNA and causes a misreading during translation, resulting in an aberrant protein and therefore a mutation.

Question 40

Substitution

Answer 40

When you switch bases In a DNA or RNA strand

Question 41

Insertion

Answer 41

You and bases to a DNA or RNA strand

Question 42

Deletion

Answer 42

When you take bases out of a DNA or RNA strand