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DNA

Test Description: Questions on structure of DNA, replication, transcription, translation

Instructions: Answer all questions to get your test result.

1) What are some differences between mRNA and tRNA?

AtRNA has a double strand BmRNA is only found in animals, tRNA in plants Cboth are straight chains, tRNA has thymine mRNA has uracil DtRNA is a molecule bringing an amino acid

2) The process where DNA makes a copy of itself is called

AReplication BTranscription CTranslation Dmitosis

3) A DNA segments chanes from ggTtag to ggAtag this is a(n)

Adeletion Bpoint mutation CFramshift mutation Dtranslation

4) Which mutation would likely cause the greatest impact

ATranscription BPoint mutation CFrameshift mutation DTranslation

5) The pairing of ___ in DNA is the main reason DNA is able to make copies of itself

Aphosphate molecules Bnitrogen bases Cdeoxyribose molecules DPeptide bonds

6) The process of converting RNA code into a sequence of amino acids is called:

Atranscription Breplication Ctranslation Dmutation

7) During transcription DNA serves a code to make a sequence of

Apeptide bonds BtRNA Camino acids DmRNA

8) The DNA codon AGA codes for Arginine. The sequence of steps would be

AArginine to mRNA to DNA segment: AGA BmRNA to DNA segment AGA to amino acid arginine CAGA to UCU to tRNA molecule holding Arginine DDNA segment AGA to mRNA segment AGA to amino acid arginine

9) DNA is in the following shape:

ALong chain that winds around itself (like a rope) BIn clumps of three nucleotides with an amino acid attached CA five sided sugar molecule DDouble Helix

10) Who is credited with the discovery of DNA

AGregor Mendel BJames Watson, Francis Crick, and Rosalind Franklin CCharles Darwin DLarry S., Curly S., Moe S.

*select an answer for all questions

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