Biology > AQA Question Papers > AS BIOLOGY Paper 1. EXAM PREDICTION QUESTIONS AND ANSWERS. RATED A+ (All)
AS BIOLOGY Paper 1. EXAM PREDICTION QUESTIONS AND ANSWERS. RATED A+
Document Content and Description Below
igure 1 shows part of a DNA molecule. Figure 1 0 1 . 1 Name the type of bond between: [2 marks] complementary base pairs adjacent nucleotides in a DNA strand 0 1 . 2 The length of a gene is desc... ribed as the number of nucleotide base pairs it contains. Use information in Figure 1 to calculate the length of a gene containing 4.38 ×103 base pairs. [2 marks] Answer nm3 *03* Turn over ► IB/M/Jun21/7401/1 Do not write outside the 0 1 . 3 Describe two differences between the structure of a tRNA molecule and the box structure of an mRNA molecule. [2 marks] 1 2 0 1 . 4 In a eukaryotic cell, the structure of the mRNA used in translation is different from the structure of the pre-mRNA produced by transcription. Describe and explain a difference in the structure of these mRNA molecules. [2 ma [Show More]
Last updated: 2 years ago
Preview 1 out of 28 pages
Buy this document to get the full access instantly
Instant Download Access after purchase
Buy NowInstant download
We Accept:
Reviews( 0 )
$10.00
Can't find what you want? Try our AI powered Search
Document information
Connected school, study & course
About the document
Uploaded On
May 20, 2022
Number of pages
28
Written in
Additional information
This document has been written for:
Uploaded
May 20, 2022
Downloads
0
Views
199
