OCR A Level Nucleic Acids

OCR A Level Nucleic Acids

12th Grade

12 Qs

quiz-placeholder

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OCR A Level Nucleic Acids

OCR A Level Nucleic Acids

Assessment

Quiz

Biology

12th Grade

Medium

Created by

Leah Fowler-Roberts

Used 21+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

20 sec • 1 pt


The following statements are about the structure of DNA.
Which of the following statement(s) is / are true?

Purine bases pair with pyrimidine bases.

Phosphodiester bonds link adjacent nucleotides.

There are always equal amounts of adenine and guanine.

2.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

Name the base represented by the letter T.

3.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Media Image

Complete a section of the mRNA strand that is complementary to the section of the DNA strand shown.

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image


DNA is formed from three main groups of molecules: pentose sugars, phosphate groups and nitrogenous bases. The bases can be divided into purines and pyrimidines.


Identify the two purines below.

A

B

C

D

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image


DNA is formed from three main groups of molecules: pentose sugars, phosphate groups and nitrogenous bases. The bases can be divided into purines and pyrimidines.


Identify the two pyrimidines below.

A

B

C

D

6.

DROPDOWN QUESTION

20 sec • 1 pt

Media Image

Name the circled component in the diagram. ​ (a)  
Name the bond labelled X in the diagram. ​ ​ (b)  

deoxyribose
phosphodiester
ribose
ester
peptide
glycosidic

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following processes involves the formation of ester bonds?


1 - synthesis of polynucleotides
2 - synthesis of triglycerides
3 - synthesis of polypeptides

1, 2 and 3

Only 1 and 2

Only 2 and 3

Only 1

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