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Biology Basics Unit 1
Biology Basics Unit 1
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1
What is the qualitative observation?
There are 12 eyes in the photo.
There are 6 shirts in the photo.
The people in the photo are all smiling.
There are 6 people in the photo.
2
Polymers are made up of
Sugars
Dimers
Monomers
Carbon
3
Nucleic acids...
make cell membranes
store genetic information
are burned for energy
increase chemical reactions
4
Enzymes are an example of what macromolecule?
Lipids
Carbohydrates
Proteins
Nucleic acids
5
QUANtitative observations use...
science tools to measure things
our five senses
6
Why can life exist under frozen surfaces?
water has a high specific heat
water is a terrific solvent
water is less dense as a solid
water has a high surface tension
7
Which biomolecule is used as energy first?
Protein
Lipid
Carbohydrate
Nucleic Acid
8
Polar Molecules are Hydrophobic
False
True
9
What is the independent variable
The variable being tested and changed
When you hold something constant
The variable measured
The outcome
10
Qualitative observations are
numbers only
words only
words and numbers
sometimes words and numbers
11
What is the quantitative observation?
The green pokemon has cat eyes.
There are 4 pokemon.
Piccachu has red cheeks.
Brock has a green backpack on.
12
Which is
not
one of the four crucial macromolecules that support life?
Carbon
Protein
Carbohydrates
Nucleic Acid
13
What are the constants?
Amount of Water
Height of Flower
Number of Seeds
Amount of Soil
14
A hypothesis is a(n) _____________ guess based on _______________ and your knowledge.
funny, jokes
wild, supersitition
uneducated, news
educated, observations
15
Most important element to life...
Carbon
Nitrogen
Oxygen
Hydrogen
16
Which of the following ARE NOT properties of water?
Surface tension
Cohesion
Adhesion
Fixed Shape
17
What is the control group?
the group that changes
the group that is used as a comparison
the group results
18
Lipids ______________________ energy.
store
give
use
take
19
Nonpolar Molecules are Hydrophobic
True
False
20
In a study of how sleep affects test scores, which group would be the control?
the group that received 2 hours of sleep
the group that received 0 hours of sleep
the group that received 6 hours of sleep
the group that received 4 hours of sleep
21
My building block (monomer) is a sugar. What am I?
Protein
Carbohydrate
Nucleic Acid
Lipid
22
Look at this picture, what is a scientific observation?
The horse is eating
The horse weighs too much
The horse has a tail
The horse is black
23
Lipids
Used to make hormones
Make up the cell membrane
Can be used as energy
All of the above
24
What is PREDICTION?
Magic
Determining the author's purpose
Making a guess of what will happen next
Retelling
25
The following are inferences except:
The squirrel is the side kick to superman.
The squirrel is wearing a red and yellow S on it's chest.
The squirrel is secretly a superhero.
The squirrel has super powers.
26
Why do experimenters make sure that they keep some variables constant?
to know that the DV is the cause of any change in IV
it makes it more interesting
to know that the IV is the cause of any change in DV
27
My building block (monomer) is a combination of glycerol + fatty acid. What am I?
Protein
Carbohydrate
Lipid
Nucleic Acid
28
My building block (monomer) is an amino acid. What am I?
Nucleic Acid
Lipid
Carbohydrate
Protein
29
What is a Dependent Variable?
Something you could change but don't
Something you hold constant in the experiment
The variable you test by changing it
The results/what you measure
30
Carbohydrates can be broken down to provide
Genetic information
a Defense
Energy for cells
Catalysts
31
What is an inference?
an assumption
a judgement of someone
what I think is right
a conclusion reached based on evidence
32
What was the control group?
Group A
Group B
33
Select the correctly written hypothesis
What happens if you train dogs?
If you treat dogs well they will be friendly.
Dogs are friendly
If you train dogs more they might be better.
34
Which sub-atomic particles move around the nucleus?
electrons
protons
neutrons
chloroplasts
35
Which of the following is a hypothesis?
Soccer is the best sport.
Red candy tastes better than blue candy.
If a paper towel has more texture, it will absorb more water
If a cat runs up a tree, it will be stuck.
36
Which is
true
of a hydrolysis reaction?
It occurs only after dehydration reactions
It is a reaction that breaks down polymers into monomers
It requires the removal of water
It is a reaction that combines monomers into polymers
37
What is the constant variable
the variable that scientist changes
the variable that the stays the same
none of the above
what happens as a result
38
Accuracy vs Precision-
Is this image accurate or precise?
Neither
Accurate
Both
Precise
39
Contractile proteins
aid muscle contraction
Increase chemical reactions
Provide Strength
Transport 02
40
Dehydration synthesis...
Turns monomers into polymers
Turns carbohydrates into amino acids
Creates DNA from proteins
Turns polymers into monomers
