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Biology: Unit 1 Biology Basics Flashcards | StudBud
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Biology: Unit 1 Biology Basics
Biology: Unit 1 Biology Basics
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1
Joe needs 25mL of oil to test his engine. Which tool would give the most precise measurement?
graduated cylinder
flask
test tube
beaker
2
Which of these is a macromolecule?
starch
RNA
lipid
nucleotide
3
Which of these is a polymer?
protein
amino acid
polypeptide
lipid
4
The “effect,” also represented by what the scientist measures and records, is known as the...
Experimental Group
Control Group
Independent Variable
Dependent Variable
5
The meniscus (curve in the water at the top) is caused by which p[roperty of water?
High surface tension
Cohesion
Adhesion
Less dense as a solid
6
Which of these is a monomer?
fatty acid
protein
polypeptide
carbohydrate
7
Which category of carbon-based molecules includes sugars and starches?
phospholipids
proteins
unsaturated
carbohydrates
8
Which of the following is the correct order from SMALLEST to LARGEST
Electron-Atom-Element-Macromolecule-Molecule-Cell-Tissue-Organ-Organ System
Element-Electron-Atom-Molecule-Macromolecule-Cell-Tissue-Organ-Organ System
Electron-Atom-Element-Molecule-Macromolecule-Cell-Tissue-Organ-Organ System
Atom-Element-Electron-Molecule-Macromolecule-Cell-Tissue-Organ-Organ System
9
The 4 main types of macromolecules found in organisms are carbohydrates, lipids,nucleic acids &
fatty acids
starches
proteins
monosaccharides
10
If you give caffeine to children, then their heart rates will increase. What is the IV?
the children
children's heart rates
amount of caffeine
11
Both animal fats and plant oils are made up of glycerol and
saturated fats
fatty acids
polar molecules
amino acids
12
An atom is electrically neutral because ___________.
Nuclear forces stabilize the charges (MAY the FORCE be with YOU)
# of protons = # of neutrons
# of protons = # of electrons
Neutrons = Protons and electrons
13
All the following could be used for making measurements EXCEPT
Erlenmeyer flask
Graduated cylinder
Test tube
Beaker
14
If more Mentos are placed in soda, then the soda will have a larger eruption. What is the DV?
height of eruption
kinds of soda
amount of mentos
15
What is the use/ function of nucleic acids?
quick energy to burn
genetic material
long-term energy storage
16
What is the function of carbohydrates?
quick energy to burn
long-term energy storage
genetic material
17
In a hypothesis the ___ variable is being tested, while the ___variable is measured in response
independent; control
dependent; independent
control; dependent
independent; dependent
18
Valence electrons are the subatomic particles that are lost, gained, or shared in chemical bonds.
False
True
19
Which of these is a macromolecule?
nucleic acid
DNA
monosaccharide
glycerol
20
When writing a conclusion, what should you always refer back to?
hypothesis
procedure
the material list
your textbook
21
The class of macromolecule that would most likely be involved in contracting muscles would be
carbohydrates
enzymes
lipids
proteins
22
An atom is the smallest part of an element that still has the properties of that element.
False
True
23
Animals store most of their excess energy reserves as _______ because
fat; they store twice as much energy per gram
carbohydrates; they store twice as much energy /g of glucose
glucose; it is easy to break down
protein; it is a compact source of energy in their bodies
24
The most important element necessary for life that makes up EVERY macromolecule is
Oxygen
Hydrogen
Carbon
Nitrogen
25
Your body prefers to consume ___ for energy.
lipids
nucleic acids
carbohydrates
proteins
26
Polypeptides are polymers of which macromolecule?
proteins
carbohydrates
nucleic acids
lipids
27
If available, the body will always digest which macromolecule for energy first?
carbohydrates
lipids
proteins
enzymes
28
Particles that determine the identity of an element are called ______.
Protons only
Neutrons and Protons
Protons and Electrons
Neutrons only
29
Testosterone and estrogen are examples of this macromolecule
lipids
carbohydrates
Glucose
nucleic acids
30
Which macromolecule is the most diverse (has the most purposes in the cell)?
lipid
nucleic acid
protein
carbohydrate
