OCR A Level Nucleic Acids

Quiz
•
Biology
•
12th Grade
•
Medium
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
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
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
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
Name the circled component in the diagram. (a)
Name the bond labelled X in the diagram. (b)
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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