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1st Semester Biology Exam Review Flashcards | StudBud
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1st Semester Biology Exam Review
1st Semester Biology Exam Review
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Biology 1st Semester exam scientific method biochemistry ecology cells
Flashcards
39 cards
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Questions
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Answers
1
Molecule A is a(n)
nucleic acid
fatty acid/lipid
amino acid/protein
monosaccharide/carbohydrate
2
Forests that have been in this area for a very long time have Beech and Maple trees. This is a
Secondary Succession
Savanna
Climax Community
Primary Succession
3
What has a direct relationship with the amount of carbon dioxide and methane in the atmosphere?
acid rain
earth temperature
water pollution
amount of ozone
4
Polar means
the molecule is positive
the molecule is negative
molecule is slightly + on one side and - on the other.
5
Which of the fatty acids in the image is unsaturated?
#2
#1
6
What is molecule C?
nucleic acid
fatty acid/lipid
monosaccharide/carbohydrate
amino acid/protein
7
What process is shown in this picture?
Evolutionary Development
Resilience
Succession
Coevolution
8
When will exponential growth happen?
low population and low competition
high population and much competition
low population and high competition
9
What is biodiversity and how is it significant?
# of animals, the stronger the animals
# of different species, higher resilience
# of plants in an area, the more the better.
# of all organisms, higher resilience
10
A statement supported by large amounts of research in many areas of science.
Theory
Conclusion
Hypothesis
Prediction
11
In an experiment, the group that gets the independent variable is
controlled variables
dependent variable
experimental group
control group
12
Where on the exponential growth chart would density dependent factors affect the most
at the plateau
mid way up the exp. curve
low population
13
An enzyme speeds up ______________ and decreases ______________.
reaction time, activation energy
activation energy, reaction time
14
What element is considered the 'backbone of all biomolecules'?
nitogen
oxygen
carbon
hydrogen
15
Animals store their extra sugars in their liver as ______________.
protein
glycogen
starch
triglycerides
16
Which fatty acid is considered bad for you because it can build up in your blood vessels?
#1
#2
17
In an energy pyramid, how much energy is passed from one level to the next?
100%
10%
1%
90%
18
What unnatural occurance causes a large amount of CO2 to enter our atmosphere daily.
combustion
volcanoes
decomposition
photosynthesis
19
Genetic material in our cell is
nucleus
DNA
ribosomes
nucleolus
20
Which type of growth does a stable, mature population exhibit?
Logistical
Exponential
21
What is this process?
dehydration sysnthesis
hydrolysis
22
How many enzymes are in your body?
1 - but different for every person
100
1,000s - one for every type of chemical reaction
23
The type of bond between two atoms (ions) of opposite charges is a(n)
peptide bond
hydrogen bond
covalent bond
ionic bond
24
What produces the ribosomes?
nucleolus
nucleus
Rough E.R.
Smooth E.R.
25
Why can there only be 4 - 5 trophic levels in every energy pyramid?
carnivores don't eat other carnivores
carnivores don't eat herbivores
There isn't enough energy to support another trophic level
There is too much energy left at the 5th trophic level
26
Which organelle is used as the cells transport system for the protein?
Rough E. R.
Mitochondria
Smooth E.R.
Lysosome
27
A diagram that shows all the eating patterns within a community.
food chain
food web
eating pattern
food net
28
The type of bond between atoms that share electrons is called a(n)
hydrogen
ionic
covalent
peptide
29
In an experiment, the data that is collected is the
experimental group
control group
dependent variable
independent variable
30
A thought out guess that predicts the outcome of the experiment and is written as a statement
Hypothesis
Experiment
Theory
Conclusion
31
A substance that is only composed on one type of atom.
atom
compound
molecule
element
32
What is the one thing that the experimental group has that the control group doesn't?
dependent variable
controlled variables
data
independent variable
33
Historically, what was the biggest trigger for the exponential growth of humans?
Agricultural advancements
advancement in medicine
Industrial Revolution
34
Which organelle produces ATP for the cell?
Golgi Body
Mitochondria
Chloroplast
Rough E. R.
35
Which of the folowing is a carbohydrate?
cereal
ham
butter
36
What eats the left over dead materials in an ecosystem?
plants
decomposers like mushrooms, worms, and bacteria
birds
37
Which of the following is a protein?
olive oil
beef jerky
apple
38
Plants store their extra sugars as _____________in their roots.
starch
glycogen
sucrose
proteins
39
The group in an experiment that is considered 'the norm' and used as a comparison is the
experimental group
controlled variables
exponential group
control group
