DNA / RNA / Protein Synthesis Flashcards

quiz on dna rna and protein synthesis

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25233961	Proteins were composed of __ different amino acids in long _________ chains	20, polypeptide	0
25233962	____________ are made of both DNA and protein	Chromosomes	1
25233963	Experiments on bacteriophage viruses by _____ & ________ proved that DNA was the cell's genetic material	Hershey, Chase	2
25233964	_________ showed the amounts of the four bases on DNA ( A,T,C,G)	Chargaff	3
25233965	WITH DNA : A pairs to	T	4
25233966	WITH DNA : C pairs to	G	5
25233967	_________ took diffraction x-ray photographs of DNA crystals	Franklin	6
25233968	In the 1950's, _______&_________ built the first model of DNA using Franklin's x-rays	Watson, Crick	7
25233969	Two strands coiled called a double ________	helix	8
25233970	in dna the sides are made of a pentose _______ Deoxyribose bonded to __________ (PO4) groups by phosphodiester bonds	sugar, phosphate	9
25233971	Center of dna made of _______ bases bonded together by weak ___________ bonds	nitrogen, hydrogen	10
25233972	DNA stands for...	Deoxyribonucleic acid	11
25233973	DNA is made up of subunits called ____________	nucleotides	12
25233974	Nucleotide made of: ________group, 5-__________ sugar & ___________ base	phosphate, carbon, nitrogenous	13
25233975	Double ring is __ & __ <-- called _______	a, g, purines	14
25233976	Single ring is __ & __ <-- called ________	t, c, pyrimidines	15
25233977	pyrimidines only pair with __________	purines	16
25233978	____ hydrogen bonds required to bond Guanine & Cytosine	3	17
25233979	____ hydrogen bonds are required to bond Adenine & Thymine	2	18
25233980	DNA has to be ________ before a cell divides	copied	19
25233981	DNA REPLICATION .. As the 2 DNA strands open at the origin, Replication Bubbles form. Eukaryotic chromosomes have ________ bubble(s)	many	20
25233982	DNA REPLICATION .. As the 2 DNA strands open at the origin, Replication Bubbles form. Prokaryotic chromosomes have ________ bubble(s)	1	21
25233983	DNA polymerase can only add nucleotides to the __' end of the DNA	3	22
25233984	_________ Fragments - series of short segments on the lagging strand. the enzyme _____________ joins fragments to make one strand	Okazaki, Ligase	23
25233985	DNA polymerase initially makes errors but _____________ proofread and correct these mistakes	Enzymes	24
25233986	DNA ____________ and DNA _________ replace and bond the new nucleotides together	polymerase, ligase	25
25233987	other than DNA, there is another nucleic acid and that is ________	RNA	26
25233988	for RNA --- > the sugar is	RIBOSE	27
25233989	for DNA --- > the sugar is	DEOXYRIBOSE	28
25233990	RNA is __________ stranded, contains _____ instead of thymine	single, uracil	29
25233991	3 kinds of rna .. (list in alphabetical order)	messenger, ribosomal, transfer	30
25233992	Enzyme binds to places with specific DNA sequences called _______________ and they tell RNA ________ where to start. signals at the end of the gene code cause transcription to ________.	PROMOTERS, polymerase, stop	31
25233993	TRANSCRIPTION (DNA→ _______) takes place in the	RNA, nucleus	32
25233994	TRANSLATION (RNA→ _________) take place on the ______ and in the _____	proteins, ribosomes,cytoplasm	33
25233995	for the mRNA code .. the start is always _ _ _ and there are __ codons for STOP	AUG, 3	34
25233996	anticodon is on	tRNA	35
25233997	DNA → DNA	REPLICATION	36
25233998	DNA → RNA	TRANSCRIPTION	37
25233999	RNA→ Protein	TRANSLATION	38