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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 CtRNA is a molecule bringing an amino acid Dboth are straight chains, tRNA has thymine mRNA has uracil

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

AReplication BTranslation Cmitosis DTranscription

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

Adeletion Bpoint mutation Ctranslation DFramshift mutation

4) Which mutation would likely cause the greatest impact

ATranscription BPoint mutation CTranslation DFrameshift mutation

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

Anitrogen bases Bdeoxyribose molecules Cphosphate molecules DPeptide bonds

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

Areplication Btranscription Cmutation Dtranslation

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

Apeptide bonds Bamino acids CtRNA DmRNA

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

AmRNA to DNA segment AGA to amino acid arginine BDNA segment AGA to mRNA segment AGA to amino acid arginine CArginine to mRNA to DNA segment: AGA DAGA to UCU to tRNA molecule holding Arginine

9) DNA is in the following shape:

AA five sided sugar molecule BDouble Helix CIn clumps of three nucleotides with an amino acid attached DLong chain that winds around itself (like a rope)

10) Who is credited with the discovery of DNA

ACharles Darwin BGregor Mendel CJames Watson, Francis Crick, and Rosalind Franklin DLarry S., Curly S., Moe S.

*select an answer for all questions

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