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Biology - Unit 1 Biology Basics
What is Cohesion?
Identify the macromolecule
Biology - Unit 1 Biology Basics
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#Biology #ScientificMethod #Macromolecules
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Answers
1
Identify the macromolecule
Protein
Nucleic Acid
Lipid
Carbohydrate
2
What is Cohesion?
Liquids tendency to flow through gaps.
The attraction of molecules for other molecules of the same kind.
The force that holds substances together.
A substance that contains only 1 element.
3
What is adhesion?
The ability of water to stick to other water molecules.
The fact that water has a positive and negative charge.
The ability of water to defy gravity.
The ability of water to stick to other substances.
4
The name of this piece of lab equipment is a
petri dish
test tube
beaker
graduated cylinder
5
Which piece of laboratory glassware is not used for measurement?
erlenmeyer flask
beaker
graduated cylinder
test tube
6
Which is the correct order that the body will digest food first to last?
carbohydrates, lipids, proteins
lipids, carbohydrates, proteins
proteins, carbohydrates, lipids
lipids, proteins, carbohydrates
7
Fatty acids are the monomers of
proteins.
nucleic acids.
carbohydrates.
lipids.
8
Which of the following is NOT a common requirement in the solution design stage?
material price, availability, and durability
public opinion about the design
time effectiveness
cost effectiveness
9
Define Solvent
Part of the solution being dissolved
Part of the solution that dissolves the solute
10
What is the control group?
Group that keeps everything different
Group that changes
All of the above
Group that does not change
11
Define hydrophilic.
not attracted to or soluble in water
attracted to or soluble in water
network of nerves
viral disease that infects the central nervous system
12
Which of the measurements below is the most accurate?
beaker- 100mL
graduated cylinder 74.50 mL
graduated cylinder- 85 mL
beaker- 39 mL
13
Scientists test a relationship between a “cause” and an “effect.” "Effect” is also known as the
dependent variable.
independent variable.
constant.
control group.
14
Lipids are nonpolar. What does this mean?
They don't have a cell membrane
They make good salad dressing
They dissolve in water
They don't dissolve in water
15
Which piece of lab equipment is this?
graduated cylinder
test tube
erlenmeyer flask
petri dish
16
What is a qualitative observation about this photo?
There are 3 goats off the bridge.
There is a brown goat.
There is 1 goat on the bridge.
There are 4 goats.
17
What is an example of a nucleic acid?
Starch
Fats
DNA
Oil/wax
18
This piece of lab equipment is called a
graduated cylinder
test tube
Erlenmeyer flask
beaker
19
What is the function of lipids?
muscle contraction, transport and enzymes.
quick energy to burn
long- term energy storage
genetic material
20
Kids decide to see what type of shoe makes them run the fastest. What's the dependent variable?
the type of shoe
kids
running speed
their grandma
21
The following picture is a representation of:
Accurate only
Accurate and Precise
neither accurate or precise
Precise only
22
Monosaccharides are the monomers of
nucleic acids.
carbohydrates.
lipids.
proteins.
23
Which macromolecule stores the most amount of energy (9 cal/g)?
carbohydrates
nucleic acids
proteins
lipids
24
What is a macromolecule?
An attraction between atoms that holds atoms together
A pure substance, composed of the same type of atom throughout
A biomolecule composed entirely of carbon and hydrogen
A big molecule consisting of many smaller structural units linked together
25
Joey heard a loud bang. He thought it was his brother trying to cook. Joey hearing the noise is
a prediction.
a hypothesis.
an observation.
an inference.
26
In an experiment, the ___ variable is deliberately changed.
independent
dependent
constant
control
27
What is a phospholipid?
A phosphate head with 2 fatty acid tails
A hormone
Something that is completely hydrophobic
Something that is completely hydrophilic
28
Which of the following is not a component of the Scientific Method?
Conduct background research
Analyze data
Form dictates function
Test your hypothesis in an experiment
29
What is the function of proteins?
genetic material
antibodies, transport and enzymes
quick energy to burn
long- term energy storage
30
In a laboratory experiment, what is the first step performed out of the following choices?
form hypothesis
collect data from the experiment
publish results
analyze data
31
Nucleotides are the monomers of
proteins.
lipids.
carbohydrates.
nucleic acids.
32
Give an example of a polar molecule.
IDK
Butter
Oil
Water
33
When writing a conclusion after an experiment, you will always refer back to this...
constants
hypothesis
materials list
analysis
34
The items being tested in an experiment belong to the:
results
control group
constants
experimental group
35
In an experiment, the ___ variable is what changes in response to the 1st variable.
independent
control group
wait, what?
dependent
36
Nucleic acids have this energy storage capability...
7 cal/g
0 cal/g
9 cal/g
4 cal/g
37
Four main types of macromolecules are carbohydrates, lipids, nucleic acids, and
starches.
proteins.
fatty acids.
monosaccharides.
38
The 4 major macromolecules necessary for life all contain
carbon dioxide
sodium
nitrogen
carbon
39
What is an atom?
atom or molecule which possesses an electrical charge
part of a system which is uniform in both it's composition and properties
the process of when water turns into ice
smallest possible unit of elements which has the properties of the element
40
What is the last step of technological design?
solution design
evaluation
implementation
problem identification
41
Data collected in an experiment can
be thrown away
prove a hypothesis true
support a hypothesis
prove a hypothesis is false
42
The relative energy storage of proteins is
4 Cal/g
7 Cal/g
9 Cal/g
Teddy grahams
43
Amino acids are the monomer of
carbohydrates.
proteins.
nucleic acids.
lipids.
44
What are the levels of organization from smallest to largest?
organism, organ system, organ, tissue, cell, molecule
molecule, cell, tissue, organ, organ system, organism
organ system, tissue, molecule, organism, cell, organ
cell, organ system, molecule, organ, tissue, organism
45
What is a quantitative observation about this photo?
There is a brown goat.
There is green grass
There are white goats
There are 4 goats.
46
Plants have same light & water, but the soil type differs to see growth differences. Constant?
amount of growth
soil types
color of light
light & water
47
Which is an example of a lipid?
vegetables
meat
oil
candy
48
The Phospholipid tails are _______________.
Hydrophobic
Hydrophilic
49
All of the following are examples of lipids except...
olive oil
butter
phospholipids
peptidoglycan
50
What is the function of carbohydrates?
muscle contraction, transport and enzymes.
genetic material
quick energy to burn
long- term energy storage
51
What is the function of nucleic acids?
storing genetic material
long- term energy storage
quick energy to burn
antibodies, transport and enzymes
52
Kids want to know what type of shoe makes them run fastest. What's the independent variable?
type of shoe
running speed
kids
science
53
What is a monomer?
The smaller units that join to form polymers
Made of carbon
RNA
anything that takes up space
54
While walking Tim noticed the tree fell over. If he assumes a lumberjack cut it down, this is
a prediction.
an observation.
an inference.
a hypothesis.
55
Cell membranes are MOSTLY made of...
polysaccharides
nucleotides
amino acids
phospholipids
