Ch. 1 The Human Body: An Orientation

Marieb - Human Anatomy & Physiology 11th Edition

Marieb, Hoehn11th EditionHuman Anatomy & PhysiologyISBN: 9780136874034Non è quello che usi tu?Cambia libro di testo

Marieb, Hoehn 11th Edition

Ch. 1 The Human Body: An Orientation

Problema 3

Capitolo 1, Problema 3

Which of the following is a major functional characteristic of all organisms?
a. Movement
b. Growth
c. Metabolism
d. Responsiveness
e. All of these

Guida verificata passo dopo passo

Step 1: Understand the question is asking for a major functional characteristic common to all living organisms.

Step 2: Review the definitions of each option: Movement (ability to change position), Growth (increase in size), Metabolism (all chemical reactions in the body), Responsiveness (ability to detect and respond to stimuli).

Step 3: Recognize that while movement, growth, and responsiveness are important, metabolism is essential for all life because it includes all chemical processes that sustain life.

Step 4: Consider that 'All of these' implies every option is a major characteristic, but some organisms may not exhibit movement or growth in the same way, whereas metabolism is universal.

Step 5: Conclude that metabolism is the fundamental functional characteristic shared by all organisms.

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Metabolism

Metabolism refers to the sum of all chemical reactions that occur within an organism to maintain life. It includes processes that convert energy and matter to sustain growth, repair, and reproduction. This characteristic is fundamental to all living organisms, distinguishing them from non-living matter.

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02:17

Introduction to Metabolism

Growth

Growth is the process by which organisms increase in size and often in cell number. It involves the synthesis of new cellular material and is essential for development and maturation. Growth is a common feature of living beings but may vary in rate and form across different species.

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04:02

Types of Genes Regulating Cell Growth

Responsiveness

Responsiveness is the ability of an organism to detect and react to changes in its internal or external environment. This characteristic allows organisms to adapt to stimuli, ensuring survival and homeostasis. It is a key functional trait seen in all living organisms.

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9:59

Steps of the Interferon Response

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Domanda del libro di testo

The correct sequence of levels forming the structural hierarchy is:

a. Organ, organ system, cellular, chemical, tissue, organismal

b. Chemical, cellular, tissue, organismal, organ, organ system

c. Chemical, cellular, tissue, organ, organ system, organismal

d. Organismal, organ system, organ, tissue, cellular, chemical

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Domanda del libro di testo

In (a)–(e), a directional term [e.g., distal in (a)] is followed by terms indicating different body structures or locations (e.g., the elbow/wrist). In each case, choose the structure or organ that matches the given directional term.

a. Distal: the elbow/the wrist

b. Lateral: the hip bone/the umbilicus

c. Superior: the nose/the chin

d. Anterior: the toes/the heel

e. Superficial: the scalp/the skull

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Domanda del libro di testo

Which ventral cavity subdivision has no bony protection?

a. Thoracic cavity

b. Abdominal cavity

c. Pelvic cavity