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Biology Hl Paper 2007

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IB DIPLOMA PROGRAMME PROGRAMME DU DIPLÔME DU BI PROGRAMA DEL DIPLOMA DEL BI

M02/410/H(1)

BIOLOGY HIGHER LEVEL PAPER 1 Thursday 9 May 2002 (afternoon)

INSTRUCTIONS TO CANDIDATES ! ! ! Do not open this examination paper until instructed to do so. Answer all the questions. For each question, choose the answer you consider to be the best and indicate your choice on the answer sheet provided.

222-134

18 pages

–2– 1. Which processes occur during interphase? I. II. III. A. B. C. D. DNA replication DNA transcription Separation of replicated DNA molecules

M02/410/H(1)+

I and II only I and III only II and III only I, II and III

2.

What is the ratio of the relative size of a eukaryotic cell, a virus and a prokaryotic cell? Eukaryotic cell A. B. C. D. 100 100 100 1000 Virus 1 10 10 1 Prokaryotic cell 1 10 1 10

3.

Which characteristic of water explains its thermal properties? A. B. C. D. Adhesion Surface tension Solvent properties Hydrogen bonding

222-134

–3– 4. Which structures represent a generalised amino acid and glycerol? I.
H H N H R C C OH O

M02/410/H(1)+

II.
H H N H R1 H H C C N C C OH O R2 O

III.
OH H C H OH C H OH C H H

IV.
H H C H OH C H H

Amino acid A. B. C. D. I II I II

Glycerol IV III III IV

222-134

Turn over

–4–
5. What is the arrangement of nucleotides in a single DNA strand? S = sugar, P = phosphate group, B = organic base

M02/410/H(1)+

S
A.

P

S B

P

B P B. B B C. P D. S S

P B B P

S

S

B

S

P

B

S

P

6.

Which group of three molecules makes up one RNA nucleotide? A. B. C. D. Phosphate, ribose, uracil Phosphorus, ribose, adenine Uracil, deoxyribose, phosphorus Guanosine, deoxyribose, phosphate

7.

Which techniques of recombinant DNA technology (genetic engineering) require the use of plasmids? I. II. III. A. B. C. D. Gene

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