Question and answer
Carbohydrates _____. in the body are primarily fatsare primarily sugars and starchesare the most readily available source of energy for organismsare the largest of the four main biological macromolecules Question #4MultipleChoice Score: When dissolved in water, acids release _____ and bases release _____. hydrogen ions; hydroxyl ionshydroxyl ions; hydrogen ions Question #5MultipleSelect Score: Select all that apply. The three subatomic particles are _____. neuronsphotonsprotonsneutronschargeselectrons Question #6MultipleChoice Score: Helium has an atomic number of two, so its outer energy
level is full. Helium is considered _____. neutralinertan aniona cation Question #7MultipleChoice Score: Positive ions are called _____, and negative ions are called _____. anions; cationscations; anions Question #8MultipleChoice Score: Pure substances that have properties entirely different from the atoms that make it up are _____. diatomic moleculescompoundsneuronsphotons Question #9MultipleChoice Score: The most abundant elements in the body are hydrogen, oxygen, carbon, and _____. calciumsulfurnitrogenboron Question #10MultipleSelect Score: Select all that apply. Which of the following properties of carbon give it particular importance to life? It's very cohesive and adhesive.It can form polymers like carbohydrates, lipids, proteins, and nucleic acids.It can regulate temperature.Decomposition of molecules can occur readily, releasing needed energy. Question #11MultipleChoice Score: In a reverse reaction, products are formed from reactants and reactants are formed from products. When they yield the same amount, _____. chemical equilibrium is reachedit is called the law of mass actionactivation energy is released Question #12MultipleChoice Score: Table salt is the result of a(n) _____. covalent bondionic bondhydrogen bond Question #13MultipleChoice Score: The atomic mass of an element whose atoms consist of seven protons, eight neutrons, and seven electrons is _____. 7141522 Question #14Matching Score: Match the chemical reaction with its correct type. 1. Na++ Cl-? NaCl decomposition reaction 2. CCl4? C + 2Cl2 exchange reaction 3. H+Cl-+ Na+OH-? Na+Cl-+ H2O synthesis reaction 4. ADP + P + EATP reversible reaction Question #15MultipleChoice Score: Na+ and Cl- are ions formed from _____. salt dissolved in waterchlorine dissolved in watercationsanions Question #16MultipleChoice Score: The tendency of water molecules to attract one another due to polarity is called _____. ionic bondinghydrogen bondingcovalent bondingchemical bonding Question #17MultipleChoice Score: The bond formed when electrons are shared is called a(n) _____. ionic bondhydrogen bondcovalent bond Question #18MultipleSelect Score: Select all that apply. Nucleic acids _____. are the largest of the four main biological macromoleculesdetermine whether an organism is a bacterium, tree, mouse, or humanare the building blocks of proteinsconsist of DNA and RNA Question #19MultipleChoice Score: Zero on a pH scale is very _____, and 14 on a pH scale is very _____. acidic; basicbasic; acidic Question #20MultipleSelect Score: Select all that apply. Enzymes _____. are not required to sustain the life of an organismact as catalysts in chemical reactions of cellsinteract with specific substrates like a lock and keycan lower the required activation energy for reactions in living organisms Question #21MultipleChoice Score: The smallest unit of a compound is a(n) _____. atomcellmoleculeproton Question #22MultipleChoice Score: Fluorine has seven electrons in its outer energy level. According to the octet rule, _____. it wants to take on another electronit wants to give up an electronits outer energy level is full Question #23MultipleChoice Score: The smallest unit that retains the properties of an element is a(n) _____. atommoleculeprotoncompoundneutronelectron Question #24MultipleChoice Score: Which of the following is a property of water? polar moleculeregulates temperatureuniversal solventall of the above Question #25MultipleChoice Score: Heat applied to reactants causes a faster chemical reaction. Heat is considered _____. chemical equilibriumthe law of mass actionactivation energy Question #26TrueFalse Score: An atom that has gained or lost electrons is called an ion. TrueFalse Question #27MultipleChoice Score: The number of protons plus the number of neutrons equals the _____. atomic numberatomic massatomic weightatomic neutrality Question #28MultipleChoice Score: Approximately _____ elements occur naturally on earth. 117259282 Question #29MultipleChoice Score: The atomic number is the _____. atomic massnumber of neutronsprotons plus the neutronsnumber of protons Question #30MultipleChoice Score: Atoms have a tendency to complete their outer energy level. This is known as _____. decompositionsynthesisthe octet rulethe rule of electrons Question #31MultipleSelect Score: Select all that apply. Proteins _____. contain carbon, hydrogen, oxygen, and nitrogen.consist of amino acidsare derived from fruits and vegetablesare part of antibodies Question #32MultipleChoice Score: Most molecules that contain carbon are _____. organicinorganiccompoundsminerals Question #33MultipleChoice Score: In general, life needs to maintain a pH level between _____. 1 - 45 - 89 - 14 Question #34MultipleSelect Score: Select all that apply. Lipids _____. consist of fats, phospholipids, and steroidsinclude cholesterol and saturated fatsare primarily sugar and starchesare the most highly concentrated source of energy Question #35MultipleChoice Score: The part of the atom that carries a negative charge is the _____, and the part that carries a positive charge is the _____. neutron; protonelectron; protonneutron; electronproton; neutron Question #36MultipleChoice Score: Biochemistry is the study of __
f
Carbohydrates are primarily sugars and starches; and are the most readily available source of energy for organisms.
Expert answered|julyaselin|Points 17999|
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Asked 17 days ago|6/15/2022 1:28:43 PM
Updated 17 days ago|6/15/2022 1:53:36 PM
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3
When dissolved in water, acids release hydrogen ions and bases release hydroxyl ions.

Added 17 days ago|6/15/2022 1:46:35 PM
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3
The three subatomic particles that form an atom are protons, neutrons, and electrons.

Added 17 days ago|6/15/2022 1:46:46 PM
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3
Helium has an atomic number of two, so its outer energy level is full. Helium is considered inert.

Added 17 days ago|6/15/2022 1:46:54 PM
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3
Positive ions are called cations, and negative ions are called anions.

Added 17 days ago|6/15/2022 1:47:03 PM
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3
Pure substances that have properties entirely different from the atoms that make it up are compounds.

Added 17 days ago|6/15/2022 1:47:11 PM
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3
The most abundant elements in the body are hydrogen, oxygen, carbon, and nitrogen.

Added 17 days ago|6/15/2022 1:47:18 PM
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3
The properties of carbon that gives it particular importance to life is: it can form polymers like carbs, lipids, proteins, and nucleic acids.

Added 17 days ago|6/15/2022 1:47:27 PM
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3
In a reverse reaction, products are formed from reactants and reactants are formed from products. When they yield the same amount, chemical equilibrium is reached.

Added 17 days ago|6/15/2022 1:47:42 PM
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3
Table salt is the result of an ionic bond.

Added 17 days ago|6/15/2022 1:47:51 PM
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3
The atomic mass of an element whose atoms consist of seven protons, eight neutrons, and seven electrons is 15.

Added 17 days ago|6/15/2022 1:48:28 PM
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3
The tendency of water molecules to attract one another due to polarity is called hydrogen bonding.

Added 17 days ago|6/15/2022 1:48:59 PM
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3
The bond formed when electrons are shared is called a covalent bond.

Added 17 days ago|6/15/2022 1:49:08 PM
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3
Nucleic acids: are the largest of the four main biological macromolecules; determine whether an organism is a bacterium, tree, mouse, or human.

Added 17 days ago|6/15/2022 1:49:24 PM
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3
Zero on a pH scale is very acidic, and 14 on a pH scale is very basic.

Added 17 days ago|6/15/2022 1:49:34 PM
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3
A molecule is the smallest part of a compound.

Added 17 days ago|6/15/2022 1:50:31 PM
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3
Fluorine has seven electrons in its outer energy level. According to the octet rule, it wants to take on another electron.

Added 17 days ago|6/15/2022 1:50:48 PM
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3
The smallest unit of an element that has all of the properties of the element is an Atom.

Added 17 days ago|6/15/2022 1:50:56 PM
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3
Heat applied to reactants causes a faster chemical reaction. Heat is considered activation energy.

Added 17 days ago|6/15/2022 1:51:52 PM
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3
An atom that has gained or lost electrons is called an ion. TRUE.

Added 17 days ago|6/15/2022 1:51:58 PM
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3
The number of protons plus the number of neutrons equals the atomic mass.

Added 17 days ago|6/15/2022 1:52:06 PM
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3
Approximately twenty-five elements occur naturally on Earth.

Added 17 days ago|6/15/2022 1:52:14 PM
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3
Atoms have a tendency to complete their outer energy level. This is known as the octet rule.

Added 17 days ago|6/15/2022 1:52:24 PM
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3
Most molecules that contain carbon are Organic.

Added 17 days ago|6/15/2022 1:52:32 PM
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3
In general, life needs to maintain a pH level between 5 - 8.

Added 17 days ago|6/15/2022 1:52:40 PM
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3
Lipids consist of fats, phospholipids, and steroids.

Added 17 days ago|6/15/2022 1:52:49 PM
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The part of the atom that carries a negative charge is the electron, and the part that carries a positive charge is the proton.

Added 17 days ago|6/15/2022 1:52:57 PM
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Added 17 days ago|6/15/2022 1:53:21 PM
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Biochemistry is the study of the chemistry of living things.

Added 17 days ago|6/15/2022 1:53:36 PM
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Select all of the answers that apply. Four laws or principles are involved with the study of stratigraphy. They are _____. law of original horizontality law of superposition law of original lateral continuity law of gravity and oppositional force law of cross-cutting relationships Question #2MultipleSelect Score: Select all of the answers that apply. The Cretaceous-Tertiary extinction, the most famous of the Big Five, has been attributed to what major event(s) that triggered the extinction of ...
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Updated 17 days ago|6/15/2022 3:44:24 PM
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21. The best description of uniformitarianism is the present is the key to the past.
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22. To determine the absolute age of rocks and fossils, geologists use the order in which rock layers occur.
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23. Humans have no impact on the climate. FALSE.

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24. The scientific study of fossils is PALEONTOLOGY.
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25. Stratigraphy is a method to determine the relative age of rock strata. TRUE.
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Select all that apply. Carbohydrates _____. in the body are primarily fatsare primarily sugars and starchesare the most readily available source of energy for organismsare the largest of the four main biological macromolecules Question #4MultipleChoice Score: When dissolved in water, acids release _____ and bases release _____. hydrogen ions; hydroxyl ionshydroxyl ions; hydrogen ions Question #5MultipleSelect Score: Select all that apply. The three subatomic particles are _____. ...
Weegy: Carbohydrates are primarily sugars and starches; and are the most readily available source of energy for organisms. (More)
Question|Asked by zeidar
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Updated 17 days ago|6/15/2022 5:01:51 PM
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Most molecules that contain carbon are Organic.
Added 17 days ago|6/15/2022 4:59:14 PM
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In general, life needs to maintain a pH level between 5 - 8.
Added 17 days ago|6/15/2022 4:59:57 PM
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Lipids consist of fats, phospholipids, and steroids.
Added 17 days ago|6/15/2022 5:00:29 PM
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The part of the atom that carries a negative charge is the electron, and the part that carries a positive charge is the proton.

Added 17 days ago|6/15/2022 5:01:24 PM
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Biochemistry is the study of the chemistry of living things.

Added 17 days ago|6/15/2022 5:01:51 PM
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