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Living Environment Unit Test Review Flashcards | StudBud
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Living Environment Unit Test Review
Living Environment Unit Test Review
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Scientific Method, Macromolecules, PH, Enzymes
Flashcards
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Questions
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Answers
1
Which is NOT a "R" in "R-R-R-E-G-N-T-S"
Respiration
Regulation
Reproduction
Recombination
2
What is the first step in the scientific method?
design an experiment
Organize data
Ask a question
Form a hypothesis
3
A monomer is?
A building block.
A hydrogen bond.
A big molecule.
A double bond.
4
Which of the following is NOT one of the eight life processes?
Respiration
Homeostasis
Growth
Reproduction
5
Metabolism is?
Excretion
An observation.
The sum of all chemical reactions within a living organism.
Interdependence
6
The pH scale ranges from?
0-14
0-7
7
1-20
7
Which of these are a macro molecule?
lipid
monosaccharide
nucleotide
glycerol
8
An Acid releases __________ when dissolved in water.
OH-
H+
A base
Hydroxide
9
Which of the following is an observation?
Mr. Nelson has a beard.
Mr. Nelson is happy.
Mr. Nelson is hungry.
Mr. Nelson is Tired.
10
Homeostasis is?
maintaining external balance
a base
maintaining internal balance
chemical reactions
11
What is the removal of waste products from an organism?
Reproduction
Excretion
Exorcism
Growth
12
Adhesion in water allows it to?
boil at low temperatures
Attract other water molecules
Attract molecules of other substances
become solid
13
Which of these are properties of a base?
Forms OH- ions
Slippery
Forms H3O+ ions
PH 7-14
14
Which of these is NOT part of a good scientific experiment?
A Control Group
Having a repeatable experiment
Testing over a long period of time
Testing as many variables as you want
15
The dependent variables are?
Not tested.
The control group.
The results of the experiment.
On the X-axis of a graph.
16
How many variables should we test in an experiment?
unlimited
two
one
five
17
DNA is stored in _______________
Citric Acids
Amino Acids
Nucleic Acids
Fatty Acids
18
An independent variable is on the?
second data table column
X-axis
No axis
Y-axis
19
What is Respiration?
Eating
Running in place
Obtaining energy from nutrients
Breathing
20
WHAT ARE THOSE?!?
Enzymes
Nucleic Acids
Lock and Key Model
Cells
21
What is the basic unit of all life?
Cells
Molecules
Atoms
Water
22
________________ is when an enzyme changes it's shape (active site) so the substrate won't fit.
optimal
substrate
pH
denature
23
Which is NOT a property of Protein?
Used to build body tissues (muscles, organs)
Made of Amino Acids
Meat, Eggs, Dairy
Used for Fast Energy
24
An observation is?
An inference
A fact we gather with our 5 senses
An educated guess
