Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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Question
Chapter 31, Problem 6SQ
Summary Introduction
Introduction: Macronutrients like carbohydrates, fats, and proteins are the major three sources of energy. The carbohydrates provide energy for muscles and brain by breaking down into glucose. The carbohydrates constitute about 45-65% of energy (or calories); fats constitute 20-35% of energy; and protein constitutes about 10-20% of energy.
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which of the following does not have a stored form of energy reserve, but is readily able to switch from utilizing glucose to utilizing ketone bodies?
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Chapter 31 Solutions
Biology: The Unity and Diversity of Life
Ch. 31 - Cultured Skin for Healing Wounds Diabetes is a...Ch. 31 - Cultured Skin for Healing Wounds Diabetes is a...Ch. 31 - Cultured Skin for Healing Wounds Diabetes is a...Ch. 31 - ___ tissues are sheetlike with one free surface....Ch. 31 - _______ keep fluid from leaking between cells. a....Ch. 31 - Exocrine glands are specialized ______ tissue. a....Ch. 31 - A rubbery secreted matrix or proteoglycans and...Ch. 31 - Blood cells develop from stem cells in ________....Ch. 31 - Prob. 6SQCh. 31 - Cytoplasmic extensions of _______ send and receive...
Ch. 31 - ______ muscle pulls on bones and _______ muscle...Ch. 31 - Straps or dense, regular connective tissue...Ch. 31 - ______ increase the surface area of some...Ch. 31 - Tears are an _______ secretion released by...Ch. 31 - Cancers most commonly arise in ______ tissue. a....Ch. 31 - The most abundant protein in your body is _______....Ch. 31 - Match each term with the most suitable...Ch. 31 - With negative feedback, detection of a change...Ch. 31 - IPSCs are nearly identical to human embryonic stem...Ch. 31 - Radiation and chemotherapy drugs preferentially...Ch. 31 - Each level of biological organization has emergent...
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- Compared to most cells in the body, heart muscle cells are much more vulnerable to ______." A Decreases in blood glucose level B Reductions in oxygen delivery C Both decreases in blood glucose and oxygen delivery; glucose is the only energy source heart muscle cells can use and they need oxygen to metabolize itarrow_forwardIf you fail to maintain glucose homeostasis you might become ____ a. hyponatremic b. malnourished c. dehydrated d. microcephalicarrow_forward________ is mostly plasma. a. Adipose tissue c. Cartilage b. Blood d. Bonearrow_forward
- Which of the following alternative energy source(s) can replace glucose to provide energy for the brain? a. Cortisol b. Fatty acids c. Lactate d. Ketonesarrow_forwardIf you exercise for an extended period of time, you will use energy first from _______, then from _______. A. Fats; glycogen B. Proteins; fats C. Glycogen; proteins D. Fats; proteins E. Glycogen; fats.arrow_forward1. Insulin.....a. Carries glucose into the muscle cellb. signals the muscle cell to take up glucose c. signals the synthesis of glucose in the liver d. carries lactate from the muscle to the liver 2.In the fasting, state, the Liver helps maintain a normal level of blood glucose by: a. Making ketones and storing them for later.b. stopping glycolysis and using alternative fuels for energyc. speeding up glycolysis because it needs energy to make glucose d. Beginning glycogenesis to build up glucose storagearrow_forward
- Humans have evolved to utilize ketone bodies as a partial replacement for glucose during times of starvation before moving toward muscle protein as an energy source. This is beneficial because __________. a. muscle proteins cannot be converted to glucose b. preserving muscle protein invloves the chance of retaining strenght and physical capacityarrow_forwardWhich of the following is true?a. Triglycerides have the least energy content per gram of the three majorenergy sources in the body.b. Fat catabolism generates new triglycerides for storage in adipose tissue.c. By mass, the total-body content of carbohydrates exceeds that of total triglycerides.d. Catabolism of fatty acids occurs in two-carbon steps.e. Triglycerides are the major lipids found in plasma membranesarrow_forwardInsulin is a kind of _____.A. Hormone B. Protein C. Enzyme D. Vitaminarrow_forward
- If glycogen is depleted in the liver, which of the following is also occurring? Group of answer choices a. Glycogenesis in the muscle b. Fatty acid release by adipocytes c. Glycolysis in the liver to gain ATP d. Glucose uptake in the musclesarrow_forwardDuring the FEED cycle, the two major effects of INSULIN on the liver involves ____. Select one: a. glucose consumption (glycolysis and glycogen synthesis), fatty Acid and TAG synthesis b. glucose release and fatty acid synthesis c. TAG and fatty acid degradation d. gluconeogenesis and glycogenolysisarrow_forwardWell over half of the human body’s energy is devoted to which of the following? A. Basal metabolism B. Muscle contractions C. Brain activity D. Keeping the heart goingarrow_forward
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