Ch. 12

Question 1

Twisted ladder shape of DNA formed by two nucleotide strands twisted around eachother

Answer 1

Double Helix

Question 2

Permanent change in DNA sequence that makes a gene

Answer 2

Gene Mutation

Question 4

Three nucleotides that recognises a complementary coding triplet of nucleotides

Answer 4

Anti-Codon

Question 5

A subunit of nucleic acid formed from a simple sugar, a phosphate group, and a nitrogenous base

Answer 5

Nucleotide

Question 6

Copying of DNA

Answer 6

DNA Replication

Question 7

Process in which mRNA attaches to the ribosome and a protein is assembled

Answer 7

Translation

Question 8

Functional unit that controls inherited trait expression that is passed on from one generation to another

Answer 8

Gene

Question 9

• For every Adenine, there is a Thymine

- For every Cytosine, there is a Guanine

Answer 9

Chargaff’s Rule

Question 10

Type of RNA that delivers genetic information from DNA to the nucleus to direct protein synthesis into the cytoplasm

Answer 10

mRNA

Question 12

Deoxyribonucleic Acid

Answer 12

DNA

Question 14

Type of RNA that transports amino acids to the ribosomes

Answer 14

tRNA

Question 15

Permanent change in a cell’s DNA, ranging from a single based pair to deletions of large sections of chromosomes

Answer 15

Mutation

Question 16

Individual cells of chromosomes, Relaxed form of DNA in the nucleus of the cell

Answer 16

Chromatin

Question 19

Three based code in DNA or RNA

Answer 19

Codon

Question 21

Process in which mRNA is synthesized from the template DNA

Answer 21

Transcription