IB BIO 2.6
Authored by Christopher Coddington
Biology
11th Grade
Used 86+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
What are the type of reaction and the product(s) shown in this reaction?
A. Reaction: Condensation, Product(s): two nucleotides
B. Reaction: condensation, Product(s): one dinucleotide
C. Reaction: Hydrolysis, Product(s): two nucleotides
D. Reaction: Hydrolysis, Product(s): one dinucleotide
A.
B.
C.
D.
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which feature is common to both mRNA and DNA?
A. Covalent bonds between adjacent nucleotides
B. Hydrogen bonds between guanine and cytosine
C. Ribose sugar attached to phosphate
D. Antiparallel arrangement of polynucleotide strands
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
The hydrolysis of a pure sample of an organic molecule produces a pentose sugar, thymine, guanine and cytosine. What other substances could be expected to be present in the hydrolysed sample?
A. RNA
B. Uracil
C. Phosphate
D. ATP
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
For which discovery about DNA do Watson and Crick receive credit?
A. DNA is the molecule that genes are made of.
B. The amount of adenine equals the amount of thymine in an organism
C. Phosphate–pentose bonding along the nucleotide backbone is covalent.
D. The shape of DNA is a double helix.
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
What is a similarity between DNA and RNA?
A. Both are polymers of nucleotides.
B. Both are composed of antiparallel strands
C. Both contain adenine, cytosine and thymine.
D. Both contain ribose sugar
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
The diagram shows a molecular structure.
Which type of molecule is shown?
A. Amino acid
B. Lipid
C. Carbohydrate
D. Nucleotide
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which sequence shows increasing relative size?
A.
B.
C.
D.
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