Biology
Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
bartleby

Concept explainers

Question
Book Icon
Chapter 44.9, Problem 1TC
Summary Introduction

To determine:

The stage of growth at which leaves act like a sugar sink.

Introduction:

Phloem acts as the food transportation unit. The transportation is bidirectional that is the food is sent to roots for storage and is transported back to leaves or fruits whenever needed. This transportation takes place through a same transportation unit called phloem.

Summary Introduction

To determine:

The sugar source when leaves act as a sink.

Introduction:

The transportation of food takes place through the phloem. Phloem transports the food from the leaves to the roots where it is stored in the cortex cells. This stored food is transferred to the other parts of the plant whenever needed.

Blurred answer
Students have asked these similar questions
The following table is from Kumar et. al. Highly Selective Dopamine D3 Receptor (DR) Antagonists and Partial Agonists Based on Eticlopride and the D3R Crystal Structure: New Leads for Opioid Dependence Treatment. J. Med Chem 2016.
The following figure is from Caterina et al. The capsaicin receptor: a heat activated ion channel in the pain pathway. Nature, 1997. Black boxes indicate capsaicin, white circles indicate resinferatoxin. You are a chef in a fancy new science-themed restaurant. You have a recipe that calls for 1 teaspoon of resinferatoxin, but you feel uncomfortable serving foods with "toxins" in them. How much capsaicin could you substitute instead?
What protein is necessary for packaging acetylcholine into synaptic vesicles?

Chapter 44 Solutions

Biology

Knowledge Booster
Background pattern image
Biology
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.
Similar questions
SEE MORE QUESTIONS
Recommended textbooks for you
Text book image
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Biology
ISBN:9781305967359
Author:STARR
Publisher:CENGAGE L
Text book image
Biology: The Dynamic Science (MindTap Course List)
Biology
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Cengage Learning
Text book image
Biology (MindTap Course List)
Biology
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Cengage Learning
Text book image
Biology: The Unity and Diversity of Life (MindTap...
Biology
ISBN:9781337408332
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cengage Learning
Text book image
Science Of Agriculture Biological Approach
Biology
ISBN:9780357229323
Author:Herren
Publisher:Cengage
Text book image
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax