Download HBio midterm review key

Hbio Midterm Review
1. All life uses this molecule for
the directions to building you:
DNA
• 2. DNA is transmitted from parent to
offspring through this basic unit of heredity:
• gene
• 3. True or False: All somatic cells in an
organism have the same genetic information
• TRUE
4. All prokaryotes are what type
of organism? Bacteria
5. The order of organization in an ecosystem
from most specific to broadest is:
species, population, community, ecosystem,
biosphere
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6. This is a form of asexual reproduction:
Binary fission
Cloning
Mitosis
Parthenogenesis
regeneration
7. The scientist who is known for his
theories of evolution is: Darwin
8. any change to a cell’s DNA
that may cause harm: mutation
9. steps of scientific inquiry
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Observation
Problem
Research
Hypothesis
Prediction
Experiment
Conclude (analysis and inference)
Communicate
• 10. give an example of a biological catalyst
and a non-biological catalyst:
• Enzyme vs. heat
11. Label the diagram
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A. substrate
B. active site
C. enzyme
D. products
• Allosteric change?
• 12. an organism that makes its own food
• Autotroph or producer
13. All the genes that an
organism possesses are called its:
genome
14. This type of organism provided Earth with its
current oxygen levels: producer, autotroph,
cyanobacteria (archaebacteria)
15. Any unique characteristic that provides an
organism with a way to survive is called an:
adaptation
16. a model of the complex feeding relationships in
an ecosystem:
food web
keystone species
food chain
17. Describe the types of population growth
patterns:
exponential – r strategists
logistic - K strategists
18. how much energy is passed “up”
the food pyramid? 10% of level below
Toxins? 100% - more concentrated
• 19. the organism at the base of the food
pyramid is called a: producer
20. What ingredients must be
present for life to exist?
• CHO
NPS
water
carbs
proteins
lipids
nucleic acids
• Vitamins – coenzymes minerals - cofactors
21. A measure of diversity in an ecosystem is
determined by these 2 measurements:
species number and species
diversity
22. label
23. This is the formula for:
• C6H12O6  H20 + CO2 + Energy
• Cellular respiration
24. What is this most likely a
diagram of? Mitosis
25. Label the molecules
carbohydrate & water
26. What molecule? Lipid
27. What kind of reaction?
Dehydration synthesis
28. What do enzymes do to the rate of
reactions? Speed them up - catalyst
29. What is this image?
karyotype
30. Chemicals that indicate the
presence of a molecule or reaction are
called? indicators
Good Luck!
• “Chance favors the prepared mind”
~Aristotle
• Prepare your essays! Use your vocabulary!
• Know your vocabulary!