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Multiple Choice Quiz on Biomacromolecules

This quiz is designed to assess your basic knowledge in ‘biomacromolecules’ (biomolecules). Questions come under ‘easy’ category. Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
DNA

1. The macromolecules that require a template for their synthesis are
carbohydrates
lipids and carbohydrates
proteins
proteins and nucleic acids

2. The macromolecules whose monomers are bound only by noncovalent forces are
carbohydrates
lipids
carbohydrates and lipids
lipids and nucleic acid

3. A nucleotide base not present in DNA is
adenine
guanine
uracil
thymine

4. The polarity of DNA chains is represented by
3'-5'
2'-5'
1'-6'
2'-3'

5. An amino acid that has a secondary amine and disrupts α helix formation is
glycine
phenyalanine
serine
proline

6. Adenosine is
a nitrogenous base
a ribonucleotide
a deoxyribonucleotide
none of these

7. The kind of nucleic acid that is represented by a cloverleaf model?
mitochondrial DNA
mRNA
tRNA
rRNA

8. Which of the following is not a characteristic of most DNA under physiological conditions?
A pairs with T by hydrogen atoms
20 Ao diameter
3.4 Ao pitch
10 base pairs per turn of the helix

9. RNA molecules differ from DNA molecules in all but which one of the following respects
kinds of purines
kinds of pyramidines
number of strands per molecule
type of sugar

10. What type of function do protein porins perform
cytoskeletons
transport
structural
none the above

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