BIOLOGY THE ESSENTIALS CONNECT ONLY
3rd Edition
ISBN: 9781264735433
Author: Hoefnagels
Publisher: McGrawHill
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Textbook Question
Chapter 1, Problem 1MCQ
Which of the following is smaller than an organelle?
a. An organ
b. A cell
c. A molecule
d. A tissue
Expert Solution & Answer
Summary Introduction
Introduction:
An organelle is a particular structure within the cell that plays a unique function. Cellular organelles are found only in the eukaryotic cells, not in the prokaryotic cells. Organelles are either single membrane-bound or double membrane-bound or non-membrane bound. Single membrane-bound organelles are lysosomes, vacuoles, Golgi complex, and endoplasmic reticulum, whereas double membrane-bound organelles are mitochondria, chloroplast, and nucleus. They are present in the eukaryotic cells. Ribosomes are non-membrane bound and it is found in both prokaryotic and eukaryotic cells. Cellular organelles are only visible through the microscope.
Answer to Problem 1MCQ
Correct answer:
A molecule is smaller than an organelle. Hence, option c. is correct.
Explanation of Solution
Reason for correct answer:
Option c. is given as “A molecule.”
Atoms bond together to form molecules. These molecules form the organelles inside a cell. An organism consists of one or more cells. In most multicellular organisms, cells form tissues and then organs and organ system. Hence, option c. is correct.
Reasons for incorrect answers:
Option a. is given as “An organ.”
An organ is made up of a group of tissues, and responsible for specific function in the body. Major organs are lungs, liver, heart, kidney, and brain. In higher animals, organs are grouped together to form organ system. Thus, an organ is not smaller than an organelle. Hence, option a. is incorrect.
Option b. is given as “A cell.”
A cell is a structural and functional unit of all living organism. Cells are the building blocks of life. Cells are divided into two types: (a) prokaryotic and (b) eukaryotic cells. Organelles are present inside a eukaryotic cell. So, a cell is not smaller than an organelle. Hence, option b. is incorrect.
Option d. is given as “A tissue.”
A tissue is made up of a group of cells and these tissues are involved in the formation of organs. So, a tissue is not smaller than an organelle. Hence, option d. is incorrect.
Conclusion
Because of the reasons as mentioned earlier, a molecule is smaller than an organelle
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Chapter 1 Solutions
BIOLOGY THE ESSENTIALS CONNECT ONLY
Ch. 1.1 - Prob. 1MCCh. 1.1 - The bacteria in figure 1.8 reproduce asexually,...Ch. 1.2 - If the human and kangaroo in figure 1.9 switched...Ch. 1.2 - Prob. 2MCCh. 1.2 - Prob. 3MCCh. 1.3 - Identify the elements of the experiment summarized...Ch. 1.3 - What is a statistically significant result?Ch. 1.3 - Prob. 3MCCh. 1.3 - What are some limitations of scientific inquiry?Ch. 1.3 - Prob. 5MC
Ch. 1 - Which of the following is smaller than an...Ch. 1 - All of the following are characteristics of life...Ch. 1 - The concentration of salts in blood remains...Ch. 1 - Prob. 4MCQCh. 1 - Prob. 5MCQCh. 1 - What is the correct way to write the scientific...Ch. 1 - Prob. 7MCQCh. 1 - A scientist has just observed a new phenomenon and...Ch. 1 - Prob. 9MCQCh. 1 - Prob. 10MCQCh. 1 - Prob. 1WIOCh. 1 - Prob. 2WIOCh. 1 - Prob. 3WIOCh. 1 - Prob. 4WIOCh. 1 - Prob. 5WIOCh. 1 - Think of an analogy that will help you remember...Ch. 1 - Other than the brownie example given in the text,...Ch. 1 - Explain why populations of organisms are typically...Ch. 1 - How are the members of the three domains similar?...Ch. 1 - Give two examples of questions that cannot be...Ch. 1 - If you dissect and label the parts of an...Ch. 1 - List each step of the scientific method and...Ch. 1 - Prob. 13WIOCh. 1 - Review Why We Care 1.1, which describes...Ch. 1 - Prob. 1PITCh. 1 - What is the relationship between natural selection...Ch. 1 - Prob. 3PIT
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