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