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Biology Unit 1 Flashcards | StudBud
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Biology Unit 1
Biology Unit 1
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Scientific method, characteristics of life, water, biomolecules
Flashcards
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Answers
1
Which part of an amino acid distinguishes it from other amino acids?
the phosphate group
the side chain
the carboxyl group
the amino group
2
the process of maintaining internal conditions
homeostasis
metabolism
stimuli
responding to things
3
Which of the following is NOT an example of a function of lipids?
cell membrane
store genetic information
insulation
long term energy storage
4
The combination of chemical reactions through which an organism builds up or breaks down materials
stimuli
homeostasis
metabolism
responding to the environment
5
The attraction between molecules of different substances is known as
high specific heat
cohesion
pH
adhesion
6
Amino acids are the monomers to
proteins
carbohydrates
nucleotides
nucleic acids
7
Lipids are made of glycerol and ________________
fatty acid tails
R side chain
phosphate group
carboxyl group
8
A substance has a pH of 3.2, how would you describe it as?
boiling
neutral
basic
acidic
9
Water is a universal ______ because it can dissolve many substances well
solute
cohesion
solution
solvent
10
This image shows the monomer for which biomolecule?
protein
lipid
nucleic acid
carbohydrate
11
A single monomer of a carbohydrate is known as a
monosaccharide
polysaccharide
disaccharide
monohydrate
12
Process of reproduction involving a single parent that results in offspring that are genetically identical
Asexual reproduction
Sexual reproduction
13
This image shows the monomer to which biomolecule?
nucleic acid
lipid
protein
carbohydrate
14
Science differs from other disciplines such as history and the arts because it relies on
observations
Testing explanations
theories
Facts
15
Traits are passed from parents to offspring by a molecule called
cDNA
siRNA
DNA
tRNA
16
Are viruses considered alive?
No
Yes
17
A function of nucleic acids includes
support
short term energy
structure
make protiens
18
A signal that leads to a response
homeostasis
evolution
stimuli
metabolism
19
All living things are made up of
at least one cell
at least one organ
more than one cell
at least one organ system
20
Water is considered _______ because it has unevenly distributed charges
polar
basic
acidic
independent
21
This image shows
1 monosaccharide
1 amino acid
1 disaccharide
1 polysaccharide
22
Factor in a controlled experiment that is deliberately changed
Dependent variable
Independent variable
Constant
Outcome variable
23
Measurements made while observing a plant grow 3 cm over a two week period are called
variables
data
hypotheses
inferences
24
What is a goal of science?
To unify understandings of past events
To keep a record of facts
To provide natural and testable explanations for natural events
To form beliefs around certain supernatural events