LIFE: THE SCIENCE OF BIOLOGY
11th Edition
ISBN: 9781319145125
Author: Sadava
Publisher: MAC HIGHER
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Chapter 47.3, Problem 2R
Summary Introduction
To review:
The changes in the bone cells’ activities that explain the loss of mass of bones, in astronauts spending long durations in international space station.
Introduction:
The formation of bone involves the combined activities of the osteoclasts (bone-destroying cells) and the osteoblast (bone forming cells). The calcium released by the activity of osteoclasts gets deposited by the osteoblast cells.
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In Drosophila, an X linked recessive mutation, scalloped (sd), causes irregular wing margins. Diagram the F1 and F2 results if a (a) scalloped female is crossed with a normal male; (b) a scalloped male is crossed with a normal female (assume the female is homozygous). Compare these results to what you would find if the trait was not sex linked.
Case Study—Ella
Ella has a family history of diabetes. She wants to follow a healthful eating pattern that can lower her risk for developing this condition. Her dietitian recommends a goal of 450 to 600 kcal per meal and advises Ella to follow the Acceptable Macronutrient Distribution Range (AMDR) for carbohydrates and the Dietary Guidelines for Americans 2015-2020, which recommend limiting added sugar. She also recommends that Ella choose whole grains rather than processed grains. Ella decides to pack a lunch to take to work every day. This morning she’s making a sandwich for her lunch.
Categories of Sandwich Options (Top of the screen)
Breads
Spreads
Cheeses
Vegetables
Proteins
Specific food items to select
White Bread 6-inches
Honey Mustard
Provolone
LettuceTomatoBell Peppers
Turkey
Part A - Reading Nutrition Facts Panels for Total Kilocalories
How many total kilocalories are in Ella’s sandwich exactl ______kcal ?
Part B - Reading Nutrition Facts Panels for…
C
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Chapter 47 Solutions
LIFE: THE SCIENCE OF BIOLOGY
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