Principles of Biology
Principles of Biology
2nd Edition
ISBN: 9781260081848
Author: Robert Brooker
Publisher: Mcgraw-hill Higher Education (us)
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Chapter 39.4, Problem 2TYK
Summary Introduction

Introduction:

The‘placenta’ is the temporary organ that is attached to the wall of the uterus in pregnancy. It provides nutrients and oxygen to the embryo and helps in removing other waste products and carbon dioxide. The placenta is attached to the embryo through the umbilical cord.

Oxytocin hormone regulates many important emotions and behaviors like recognition, trust, love, etc. It also regulates maternal behavior and sexual arousal. Estrogen helps to deliver instruction, interact with cells in different types of tissues in the body, and generally move through the blood in fluids.

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19. On the diagram below a. Label the three pictures as: DNA; polypeptide; or RNA. b. Label the arrows as: translation or transcription/RNA processing. c. Add the following details to the diagram. Promoter region TATA box Transcription start site Transcription terminator Intron (A,B,C,D) Exons (1,2,3,4,5) Splice sites 5' cap 5' UTR (untranslated region) 3' poly A tail 3' UTR (untranslated region) Translational start (AUG) Translational stop (UGA, UAG, or UAA) N and C ends of polypeptide 0000
Match the letter labels in the figure below to the terms. Some letter labels are not used. MNNNNNNIN M C B A M D F E H K G 8
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