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Duplicate of Biology Basics: Review Flashcards | StudBud
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Duplicate of Biology Basics: Review
Duplicate of Biology Basics: Review
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A biology quiz covering scientific method, chemistry in biology, macromolecules, etc.
Flashcards
28 cards
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Practice quiz
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Questions
28
Answers
1
Scientists test a relationship between a “cause” and an “effect.” What is the effect?
Constant
Control Group
Independent Variable
Dependent Variable
2
Glycerol and fatty acids are monomers of ____.
protein
nucleic acids
carbohydrates
Lipids
3
The cell membrane is composed of ______.
nucleic acids
carbohydrates
lipids
proteins
4
Through removal of water, which reaction is involved in the building of polymers?
hydrolysis
dehydration reaction
5
Why are there so many different ways our bodies make proteins (so many structures?)
The cell is not allowed to make only one shape of protein.
The form of the protein fits its function.
All are correct answer choices.
We use them mainly for energy.
6
The most important element necessary for life that makes up EVERY macromolecule is
Hydrogen
Oxygen
Nitrogen
Carbon
7
Nucleotides are the monomer of this macromolecule.
lipids
carbohydrates
nucleic acids
protein
8
Cations are...
Positive
Stupid
Paws-itive
+
9
This macromolecule is built from monosaccharides:
proteins
carbohydrates
lipids
nucleic acid
10
DNA and RNA are a types of _____.
Lipids
Proteins
Nucleic acids
Carbohydrates
11
Enzymes are one type of _____.
lipids
protein
nucleic acid
carbohydrates
12
Animals store most of their excess energy reserves as _____ because
protein; it is a compact source of energy in the bodies
glucose; it is easy to break down
carbohydrates; they store twice as much energy per gram
fat; they store twice as much energy per gram
13
The class of macromolecule that would most likely be involved in contracting muscles is:
Proteins
John Cena
Enzymes
Lipids
14
Sugars, starches and cellulose are all types of ____.
Carbohydrates
Lipids
nucleic acids
proteins
15
Through the addition of water, which reaction is involved in the breaking down of polymers?
hydrolysis
dehydration reaction
16
An atom is electrically neutral because...
nuclear forces stabilize the charges
the number of protons and electrons are equal
the number of protons and neutrons are equal
neutrons balance the protons and electrons
17
This macromolecule cushions our organs.
protein
carbohydrates
lipids
nucleic acid
18
The nucleus of an atom has all of the following characteristics EXCEPT that it
contains nearly all of the atom's volume
is positively charged
contains nearly all of the atom's mass
is very dense
19
When writing a conclusion, what should you always refer back to?
A Sports Almanac
Hypothesis
Materials used
Procedure
20
Atoms of elements in the same group of the periodic table share the same
atomic masses
number of energy levels
number of valence electrons
atomic numbers
21
The chemical bond formed when two nonmetallic atoms share electrons is called a(n)
James Bond
Electron Bond
Ionic Bond
Covalent Bond
22
Your body prefers to consume ____ for energy, but stores energy as ____.
Lipids, carbohydrates
John Cena, Proteins
Carbohydrates, lipids
Proteins, lipids
23
Which macromolecule is the most diverse (has the most purpose in the cell)?
All of the above
Carbohydrates
Proteins
Lipids
24
When placed in water, oil does not dissolve and stays separate. This means oil is ___ and ___.
hydrophobic and polar
hydrophobic and nonpolar
hydrophilic and nonpolar
hydrophilic and polar
25
Amino acids connected by peptide bonds create ____.
lipids
proteins
carbohydrates
nucleic acids
26
The electrons that are lost, gained, or shared in chemical bonds are called _________.
Valence electrons
Louis electrons
Lewis electrons
Chemical electrons
27
If available, the body will always digest which macromolecule first?
lipids
proteins
carbohydrates
nucleic acid
28
Which particles determine the identity of an element?
Protons and neutrons
Neutrons only
Protons and electrons
Protons only
