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Unit 1 - Biology Basics Flashcards | StudBud
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Unit 1 - Biology Basics
Unit 1 - Biology Basics
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1
Tech Design or Scientific Investigation: Run tests to get results related to your problem.
Tech Design
Scientific Investigation
2
What is the polymer for protein?
DNA, RNA
Polysacchride
Polypeptide
Fats, oils, hormones
3
In performing any lab experiment, what is the first step you take out of the following choices?
Form a hypothesis.
Publish results.
Collect data from the experiment.
Analyze data.
4
Tech Design or Scientific investigation: writing a hypothesis to define cause and effect.
Scientific Investigation
Tech Design
5
Is this Tech Design or Scientific Investigation? Toy focusing on hand/eye coordination.
Tech Design
Scientific Investigation
6
The class of macromolecule that would most likely be involved in contracting muscles would be
lipids
carbs
enzymees
proteins
7
Gummy bears are placed in 100% H
2
O or 50% H
2
O/ 50% salt, in 100% water they will get heavier.
Dependent variable is the ending mass of bears.
Dependent variable is change in mass of bears.
Dependent variable is the type of solution they were in.
Dependent variable is the amount of time in solution.
8
After making paper airplanes & modifying them, one was made that stayed in the air 92 seconds.
According to tech design, next is implementing (testing).
According to tech design, next is designing a product.
According to tech design, next is identifying a problem.
According to tech design, next is evaluating the design.
9
What are carbs used for?
Genetic materail
transporters
long-term storage/ phospholipids
short-term storage
10
What are Lipids used for?
long-term storage/ phospholipids
hormones
genetic material
short-term storage
11
Gummy bears are placed in 100% H
2
O or 50% H
2
O/ 50% salt, in 100% water they will get heavier.
Independent variable is the type of solution placed in.
Independent variable is the amount of time in solution.
Independent variable is the change in mass of bears.
Independent variable is the ending mass of bears.
12
Make an inference about the picture.
The guy dies.
The guy was attacked by a shark.
The guy is swimming in blood.
The guy is scared.
13
What is the monomer of a nucleic acid?
monossachride
Fatty acids
amino acid
nucleic acid
14
What are nucleic acids used for?
genetic material
phospholipids
hormones
energy storage
15
In a hypothesis, the __ variable is being tested, while the __ variable is being measured.
dependent; independent
independent; dependent
independent; control
control; dependent
16
The best hypothesis for the previous gummy bear experiment would be:
If a gummy bear is put in water, then will it gain weight?
If a gummy bear is put in 100% H2O, then it will gain weight
Gummy bears put in 100% water will gain weight.
Will gummy bears gain weight if put in water?
17
For the previous gummy bear experiment, what is a constant?
Same amount of water or salt
All of the above
Same amount of time in solution
Same type of container
18
The "cause" and "effect" relationship exists in experiments. What is the "effect" known as?
dependent variable
control group
constant
independent variable
19
In Technological Design, what are the special considerations during the Solution Design process
Time
Materials
All of these
Cost
20
Is this Tech Design or Scientific Investigation?Testing effect of sunlight on plants
Scientific investigation
Tech Design
21
What is the monomer for carbohydrates?
monosaccharide
starch
amino acid
fatty acid
22
The four main types of macromolecules are carbs, lipids, nucleic acids and
fatty acids
proteins
monosaccharides
starches
23
I need 25mL of oil. Which tool will give me the most precise measurement?
test tube
beaker
flask
graduated cylinder
24
When you walk outside, you can smell grass. If you assume that someone cut grass nearby,
you're making a hypothesis.
you're making an observation.
you're making an inference.
you're making a prediction.
25
Which category of carbon-based molecules includes sugars and starches?
proteins
phospholipids
unsaturated fatty acids.
carbohydrates
26
If available, the body will always digest which macromolecule first?
enzymes
proteins
lipids
carbohydrates
27
All of the following are used for transferring liquid from one container to another EXCEPT
funnel
graduated cylinder
petri dish
beaker
28
What is a qualitative observation about the picture?
there is one porpoise.
there are 9 yellow fish.
the coral is black.
A starfish is blue.
29
Based on data, what would be the most reasonable measurement at the end of an 8 week period?
5 cm
6 cm
8 cm
2 cm
30
What is an example of a carbohydrate?
Insulin
DNA
Testosterone
Cellulose
31
What are proteins used for?
all of these
transporters
antibodies
insulin
32
Animals store most of their excess energy reserve as ____ because
carbs; they store twice as much energy per gram
fat; they store twice as much energy per gram
glucose; it is easy to break down
protein; it is a compact source of energy in their bodies
