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01 Biology Basics Flashcards | StudBud
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01 Biology Basics
01 Biology Basics
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1
When placed in water, oil does not dissolve and stays separate. This means oil is_____ & ______.
hydrophobic and polar
hydrophilic and nonpolar
hydrophilic and polar
hydrophobic and nonpolar
2
_______ is a monomer of a lipid.
nucleotide
fatty acids
monosaccharride
amino acids
3
How close your measurements are to each other is _____.
accurate
inaccurate
precise
confident
4
_______ is a polymer of a protein.
DNA and RNA
polysaccharide
fats, oils, steroids
polypeptide
5
In a hypothesis the ___ variable is what is being tested, while the ____ variable is the one being measured in response.
dependent; independent
independent; dependent
control; dependent
independent; control
6
All of the following EXCEPT for_______ could be useful for transferring a liquid from one container to another.
petri dish
funnel
graduated cylinder
beaker
7
_______ is an example of a lipid.
long term energy to store
muscle contractions, transport, enzymes...
genetic material
quick energy to burn
8
What must be considered when designing a solution for a problem with technology?
cost
all of the above
materials
time
9
Which of the following terms represent the smallest part of an element that still has the properties of that element?
molecule
cell
matter
atom
10
Which category of carbon -based molecules includes sugars and starches?
carbohydrates
unsaturated fatty acids
Phospholipids
proteins
11
_______ is a monomer of a carbohydrate.
nucleotide
fatty acids
monosaccharride
amino acids
12
If available, the body will always digest which macromolecule for energy first?
carbohydrates
enzymes
proteins
lipids
13
_______ is an example of a nucleic acid.
quick energy to burn
muscle contractions, transport, enzymes...
long term energy to store
genetic material
14
_______ is an example of a carbohydrate.
quick energy to burn
genetic material
muscle contractions, transport, enzymes...
long term energy to store
15
The macromolecules that would most likely be involved in contracting muscles would be ____.
proteins
lipids
carbohydrates
enzymes
16
In an experiment, scientists will test a relationship between a cause & an effect. The effect, is ____
independant variable
dependent variable
constant
control group
17
Life can exist under frozen surfaces in polar seas because.....
water is a terrific solvent
water is less dense as a solid
water has a high specific heat
water has a high surface tension
18
A person goes out & notices that the sidewalk is wet. If the person assumes it rained, the person is making
an inference.
an observation.
a prediction
a hypothesis.
19
How close your measurement is to the correct or accepted value.
confident
accurate
inaccurate
precise
20
The macromolecules that make up the majority of the cell membrane's structure are ______.
proteins
lipids
carbohydrates
enzymes
21
_______ is an example of a protein.
muscle contractions, transport, enzymes...
quick energy to burn
long term energy to store
genetic material
22
_______ is a polymer of a lipid.
fats, oils, steroids
polysaccharide
polypeptide
DNA and RNA
23
We obtain all of the macromolecules from the food that we eat except for _____.
carbohydrates
proteins
lipids
nucleic acids
24
Which piece of glassware is used for making the most precise and accurate measurements?
Beaker
Erlenmeyer flask
Graduated Cylinder
Test Tube
25
_______ is a polymer of a nucleic acid.
polysaccharide
amino acids
fats, oils, steroids
DNA and RNA
26
Animals store most of their excess energy reserves as _____ because.....
fat; they store twice as much energy per gram
glucose; it is easy to break down
carbohydrates; the store twice as much energy per gram of glucose
protein; it is a compact source of energy in their bodies
27
_______ is a monomer of a protein.
nucleotide
fatty acids
monosaccharride
amino acids
28
Micah needs 25 mL of motor oil to test his combustion engine. Which tool would give him the most precise measurement?
graduated cylinder
beaker
test tube
flask
29
_______ is a polymer of a carbohydrate.
DNA and RNA
polysaccharide
fats, oils, steroids
polypeptide