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Biology Basics
Biology Basics
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1
What are large organic molecules that make up living things?
Protons
Macromolecules
Molecules
Elements
2
What is the dependent variable___ ?
If
someone is exercising
then
their heart rate will increase.
Exercising
Heart Rate
3
What macromolecule is used for long term energy storage, insulation and protection?
Proteins
Nucleic acids
Lipids
Carbohydrates
4
What is the last step of the scientific method?
Analyze data
Ask a question.
Draw conclusions and communicate them.
Test your hypothesis with an experiment.
5
Which substance does not have an affinity for water, and doesn't dissolve in water?
Element
Hypotonic
Hydrophilic
Hydrophobic
6
What macromolecule is NEVER broken down as a source of energy?
Proteins
Lipids
Nucleic acids
Carbohydrates
7
What is the attraction between molecules of the same substance?
Solvent
Adhesion
High Specific Heat
Cohesion
8
What is an inference?
A principle that describes patterns of nature.
A guess about an object or outcome based on your observations.
Description of something you can see, smell, touch, taste or hear.
An explanation of an observed phenomena.
9
What is an observation?
A guess about an object or outcome based on your observations.
A principle that describes patterns of nature.
Description of something you can see, smell, touch, taste or hear.
An explanation of an observed phenomena.
10
What is the independent variable___ ?
If
someone is exercising
then
their heart rate will increase.
Exercising
Heart Rate
11
What is an example of a quantitative observation?
An observation made using an your senses
The sky is blue
Describes the appearance of something.
An observation made by using an exact number
12
What is a polar molecule?
Both sides are positive.
Unequal distribution of charges.
Both sides are negative.
No separation of charge.
13
What is accuracy?
It is how close your measurement is to the corrected/accepted value.
It is how close your measurements are to each other.
It uses numbers to measure something.
It describes a quality of something.
14
What is precision?
It describes a quality of something.
It is how close your measurements are to each other.
It is how close your measurement is to the corrected/accepted value.
It uses numbers to measure something.
15
What is NOT a property of water?
Nonpolar
High specific heat
Adhesion
Cohesion
16
What 2 layer plasma membrane make our cells selectively permeable?
Cell wall
Polypeptide
Phospholipid Bilayer
Ribosomes
17
What is NOT a stage of the technological design process?
Evaluate
Implementation
Create a purpose statement.
Problem identification and solution design.
18
What is a dependent variable?
The variable that is kept the same.
The numbers of variables an experiment has.
The variable that changes because of another variable.
The variable changed in an experiment.
19
What macromolecule is used for short term energy storage?
Carbohydrates
Lipids
Nucleic Acids
Proteins
20
What is a control group?
The group that tests 2 variables.
The group that is not changed to help measure the results of an experiment.
The group that decides the variable tested.
The group that is changed to test a hypothesis.
21
What is the third step of the scientific method?
Analyze data.
Conduct background research.
Construct a hypothesis.
Ask a question.
22
What macromolecule is informational molecules that store and express our genetic information?
Nucleic acids
Proteins
Carbohydrates
Lipids
23
What is technology?
An educated guess.
The advancement of knowledge.
Application of scientific discoveries to meet human needs.
Types of electronic devices.
24
What is an example of a qualitative observation?
An educated guess.
An observation made using your sences, like color or size.
An observation made with an exact number.
Knowing that quality of something.
25
What are some safety precautions to take during a science lab?
Washing all remaining chemicals down the drain.
Any type of footwear is acceptable.
Bring your backpack so you don't forget supplies.
Long hair tied up and wearing an apron.
26
What is an independent variable?
The variable that is kept the same.
The variable that changes because of another variable.
The numbers of variables an experiment has.
The variable changed in an experiment.
27
What is a hypothesis?
One of the variables in an experiment.
The conclusions of an experiment.
A guess
A testable prediction based on observations.
28
What is a uniform mixture of two or more substances?
Solution
Solvent
Compound
Solute
29
What is an appropriate hypothesis?
I think that water is green.
My favorite shoes are Nike, so they are the best.
If I practice my cello, then my skills will improve
Why does looking at the sun hurt my eyes?
30
What is the correct format of a hypothesis?
If / then statement
An opinion based statement.
An educated guess
Statement of experiment constants.
