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Biology 12: Unit 3- Protein synthesis > Crossword 2 > Flashcards

Flashcards in Crossword 2 Deck (33)
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1

rRNA

Type of RNA used in the ribosome during protein synthesis

2

Inversion

Chromosomal mutation where piece of chromosome is “flipped”

3

Protein

Made up of chains of amino acids strung together

4

mRNA

Type of RNA brings the instructions from the DNA molecule to ribosome

5

Polymer

Many repeating subunits (DNA)

6

Semi-conservative

Process of replication of DNA molecule because each daughter strand contains half “old DNA” half “new DNA”

7

Translation

Reading of mRNA strand by a ribosome to make protein

8

Radiation

UV light
X rays

9

Gene/point mutation

Affects only 1 gene

10

Viral mutagen

HPV

11

Addition

Gene mutation where a nucleotide is inserted into a gene

12

Translocation

Chromosomal mutation where a piece of one chromosome is transferred to another chromosome

13

Uracil

Nitrogenous base in RNA not DNA

14

Pyramidine

Nitrogenous base with single ring structure

15

Golgi apparatus

Completed proteins sent here for final processing and packaging

16

Chemical mutagens

Benzene
Dioxins

17

Duplication

Chromosomal mutation where portion of a chromosome repeats itself

18

Carcinogen

Mutagen that causes cancer

19

Germinal mutations

Occur in gametes or early embryo development

20

Peptide bonds

Form between adjoining amino acids

21

Chargoff’s rule

# of purine bases will always equal # of pyramidine bases

22

Complimentary base pairing

A-T
C-G

23

Release factor

Enters the ribosome to signal a stop codon, then amino acid chain is released from ribosome

24

Plasmid

Small, circular piece of DNA used to transfer DNA from 1 species to another species

25

Chromosomal mutation

Affects many genes because large portions of chromosomes are altered

26

Frame shift

When all codons downstream are altered during addition/deletion (devastating)

27

DNA polymerase

Enzyme that adds new DNA nucleotides to the growing strand during replication

28

Elongation

Second phase of translation where amino acid chain grows

29

Covalent bonds

Strong
Form between the sugar and phosphates to form backbone of molecule

30

Codon

3 letter sequence on mRNA that codes for an amino acid