C And M Test 3 Prep

Front 1

aminoacyl-tRNA synthetase

Back 1

a

Front 2

anticodon

Back 2

f

Front 3

codon

Back 3

d

Front 4

exon

Back 4

i

Front 5

peptide bond

Back 5

f

Front 6

promoter

Back 6

f

Front 7

proteasome

Back 7

a

Front 8

ribosomal rna

Back 8

r

Front 9

ribosome

Back 9

a

Front 10

ribozyme

Back 10

a

Front 11

rna polymerase

Back 11

enzymes that carry out transcription

Front 12

rna processing

Back 12

a

Front 13

rna splicing

Back 13

s

Front 14

small nuclear rna

Back 14

a

Front 15

spliceosome

Back 15

f

Front 16

transcription

Back 16

copying of dna into rna

Front 17

transfer RNA

Back 17

a

Front 18

translation

Back 18

a

Front 19

translation initiation factor

Back 19

r

Front 20

dna polymerase

Back 20

f

Front 21

messenger rna

Back 21

rna molecules copied from genes that specify amino acid sequences of proteins(code for proteins)

Front 22

ribosomal rna

Back 22

is in ribosomes, participate in protein synthesis

Front 23

transfer rna

Back 23

forms adaptors that select amino acids, hold them in place on ribosome

Front 24

small rnas

Back 24

used in pre-mRNA splicing, transport proteins to ER

Front 25

promoter

Back 25

sequence of nucleotides indicative of start of protein synthesis

Front 26

rna processing steps

Back 26

rna capping
polyadentylaton

Front 27

rna capping

Back 27

modiying 5' end mrna transcript, end synthesized first during treanscription. capped by a weird nucleotide like guanine with methyl group.

Front 28

polyadenylation

Back 28

provides new mrnas with a special structure at 3', repeated adenine nucleotides

Front 29

introns

Back 29

intervening sequence,code that interrupts genetic code, prevents initial transcribed rna in eucaryotic cells from going straight to being mrna

Front 30

exons

Back 30

shorter than introns, expressed sequences

Front 31

how are introns removed?

Back 31

rna splicing

Front 32

rna splicing

Back 32

introns removed, exons stitched together by rna polymerase and small rnas

Front 33

small nuclear rnas

Back 33

bind with small nuclear ribonucleoprotein particles to form spliceosome, large assembly of rna and protein that does rna splicing

Front 34

spliceosome

Back 34

small rna + small nuclear ribonucleoprotein particles, assembly of RNA that does RNA splicing

Front 35

what kind of RNAs are selectively exported from nucleus?

Back 35

mature eucaryotic

Front 36

what degrades a mRNA molecules?

Back 36

cells

Front 37

earliest cells had what in genes?

Back 37

introns

Front 38

translation

Back 38

changing of rna into protein

Front 39

codon

Back 39

group of three successive nucleotides

Front 40

what matches amino acids to codons in mRNA

Back 40

tRNA

Front 41

anticodon

Back 41

three consecutive nucleotides that pairs with commplementary codon in mRNA molecule.

Front 42

aminoacyl-tRNA synthetases

Back 42

covalently couple each amino acid to appropriate tRNA molecule

Front 43

ribosome

Back 43

complex made of rRNA

Front 44

peptide bond

Back 44

peptide

Front 45

ribozynme

Back 45

ribosomes that can be catalysts