Biology
Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 12.3, Problem 1CC
Summary Introduction

To explain: Whether ends of protein coding genes have a poly T region that acts as template for the synthesis of a poly A tail in mRNA.

Introduction: The poly A tail in mRNA is a adenine string of about 100 to 200 nucleotides which is attached to its 3' end. The poly A tail is responsible for transport of the mRNA molecule from the nucleus towards the cytoplasm. Hence it is an important molecule involved in the translation of mRNA. It also aids in the stabilization of mRNA against degradation and increase its life in the cytoplasm.

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✓ Details Draw a protein that is embedded in a membrane (a transmembrane protein), label the lipid bilayer and the protein. Identify the areas of the lipid bilayer that are hydrophobic and hydrophilic. Draw a membrane with two transporters: a proton pump transporter that uses ATP to generate a proton gradient, and a second transporter that moves glucose by secondary active transport (cartoon-like is ok). It will be important to show protons moving in the correct direction, and that the transporter that is powered by secondary active transport is logically related to the proton pump.
drawing chemical structure of ATP. please draw in and label whats asked. Thank you.
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