EBK BIOLOGY
4th Edition
ISBN: 8220102797376
Author: BROOKER
Publisher: YUZU
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Chapter 2, Problem 2TY
Summary Introduction
Introduction: Atom is the smallest structural unit of any matter. The nucleus is the centermost part of the atom. The atom consists of proton, electron and neutron. Multiple numbers of atoms are joined together and form the molecules. The presence of shells and orbitals are found in the structure of the atom.
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We can be sure that a mole of table sugar and a mole of vitamin C are equal in their
a. mass
b. volume
c. number of atoms
d. number of molecules
out of proteins, lipids and carbohydrates present in a cell membrane, what is true?
A.
Lipids are maximum
B.
Carbohydrates are minimum
C.
Carbohydrates are maximum
D.
All three are in equal proportion
The most abundant element by weight in the human body is
a. carbon. b. hydrogen. c. oxygen.d. nitrogen.
Chapter 2 Solutions
EBK BIOLOGY
Ch. 2.1 - Before the experiment conducted by Ernest...Ch. 2.1 - What was the hypothesis tested by Rutherford?Ch. 2.1 - Prob. 3EQCh. 2.1 - Explain the difference between an electron shell...Ch. 2.2 - Prob. 1CCCh. 2.2 - Prob. 2CCCh. 2.3 - When oil dissolves in a soapy solution, where is...Ch. 2.3 - Prob. 2CCCh. 2.3 - Core Skill: Connections Look ahead to Figure...Ch. 2 - _______________ make(s) up the nucleus of an atom....
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- Which of the following elements is or are common to both lipids and proteins? A. Carbon only B. Both hydrogen and oxygen C. Sulphur only D. Sulphur and nitrogenarrow_forwardWhich type of organic molecule serves as long-term energy storage in humans? A. Proteins B. Starch C. Nucleic Acid D. Fats (Triglycerides)E. B and Darrow_forwardAll carbohydrates are made up of what atoms?* Please choose one correct answer only. A. Carbon, hydrogen, nitrogen B. Carbon, nitrogen, oxygen C. Carbon, hydrogen, oxygen D. Carbon, hydrogen, sulfurarrow_forward
- In certain amino acids, which one of the following elements is found in addition to carbon , hydrogen, nitrogen and oxygen? A. PhosphorusB. ZincC. CalciumD. Sulphurarrow_forwardThe smallest unit of any substance is the . a. atom b. molecule c. cellarrow_forwardWhich of the following is an organic molecule?a. CO2 c. H2Ob. O2 d. C6H12O6arrow_forward
- Saturated fats are a part of what biomolecules? A. Lipids B.Nucleic acids C. Protein D.Carbohydratesarrow_forwardIdentify the function(s) of carbohydrates. *A. structural support B. energy storage C. informational molecules D. Components of Biological membranesarrow_forwardDescribe the unique features of the following molecules, why are the critical to life? a. Carbohydrates b. Lipids. c. Proteins. d. Nucleic Acids.arrow_forward
- A carbohydrate is any molecule that contains carbon, hydrogen, and oxygen in the ratioa. 2:1:2. c. 1:2:1.b. 1:1:1. d. 1:2:2.arrow_forwardWhy are carbohydrates called "carbohydrates"? a. Apparently, carbohydrates contain water molecules. b. The composition (rather than the actual structure) of a carbohydrate seems to suggest that the molecule contains water molecules. c. carbohydrates are made from C and water. d. none of the abovearrow_forwardCholesterol is which type of lipid? a. wax b. saturated fat c. steroid d. phospholipid e. unsaturated fatarrow_forward
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