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