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Question 1: The following figures (Figure 1 and Figure 2) show the structure of DNA and of a chromosome. Label each part (A-J) of the figures (hint: D and E refer to the types of bonds formed at these locations) Figure 1. Figure 2. 7 ിപാടിയിലായി CORROS Question 2: The following short sequence of DNA is the sequence of part of a CODING strand of DNA (spaces in sequence are included only for ease of reading). 5' GTA TGA TCG TAG GCC 3' a) Write the sequence of the complementary strand of DNA b) Write the sequence of the mRNA molecule that would be produced if this section of DNA was to be transcribed (assume that the entire section is transcribed) c) Which enzyme would be responsible for carrying out the process of transcription? d) Write the sequence of amino acids that would be produced if the mRNA produced above was translated e) In a eukaryotic cell, where would this process of translation take place?

Answer 1

a 5 GTA TGA TCC TAG GCC & Complimentary Sequence CAT ACT AGC ATC CGG (b) (Transcribed) sequence) 5 CITA CAU T GA ACU TCC, ACIC TAG AUC GCC 31 cao His the sen ile Ang (6) (Translated sequeno (d) eunongotic otic Translation in ce cell, occuns in cytoplasm.

6 5 ③ P GC Phosphate - Bond between certosine & Gronine is Three Hydnogen bonds. Bond between Adenine & The mine is Two Hydrogen. bond. IT a Chnomatine. i condensed 6 chromatine Chromatid Centromene ③ Long anm