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Biology Final Review
Review for final exam
50
Biology
9th Grade
06/15/2011

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Term
The six most common elements found in organic molecules
Definition
Carbon, hydrogen, oxygen, nitrogen, sulfur, and phosphorous
Term
Catalyst
Definition
Any molecule that increases the rate of a chemical reaction
Term
Homeostasis
Definition
The ability of an organism to maintain constant internal conditions despite changing external factors
Term
Metabolism
Definition
The sum of all the chemical reactions in an organism
Term
Oils, fats, and waxes full under the category of....
Definition
Lipids
Term
The category of organic molecules to which glucose belongs is.....
Definition
Carbohydrates
Term
The three main regions of a eukaryotic cell are.....
Definition
Nucleus, cytoplasm, and cell membrane
Term
Osmosis
Definition
The process by which water moves from an area of high concentration to an area of low concentration
Term
Chloroplast
Definition
The organelle that plant cells use for photosynthesis that is not found in animal cells
Term
The two processes that involve energy transformations in living things
Definition
Cellular respiration and photosynthesis
Term
Respiration
Definition
The process that living things use to convert energy from food to ATP
Term
Carbon dioxide and water are converted to carbohydrates during.....
Definition
Photosynthesis
Term
Energy production in the absence of oxygen is called......
Definition
Anaerobic
Term
Active Transport
Definition
The process by which cells move substances against a concentration gradient
Term
Which are more structurally complex, prokaryotic or eukaryotic cells?
Definition
Eukaryotic
Term
Sequences of _____ code for protein production in living things
Definition
DNA
Term
Transcription
Definition
The process by which a sequence of DNA is turned into an mRNA strand
Term
Translation
Definition
The process by which the mRNA is made into a polypeptide chain
Term
Which DNA molecules are paired together?
Definition
Adenine pairs with thymine and guanine pairs with cytosine
Term
Mutation
Definition
The result of a phenotypic change in an organisms DNA
Term
A sperm cell nucleus and an egg cell nucleus fuse to form a...
Definition
Zygote
Term
In a cell with 12 chromosomes there will be ___ chromosomes in each new cell after mitosis
Definition
12
Term
A cross produces a 3:1 phenotypic ratio in the offspring. The trait seen in the offspring is most likely _____
Definition
Dominant
Term
The process by which a prokaryotic cell divides
Definition
Mitosis
Term
The correct order for phases of mitosis is.....
Definition
Prophase, Metaphase, Anaphase, Telophase
PMAT
Term
In a cell with 12 chromosomes there will be __ chromosome in each gamete after meiosis
Definition
6
Term
The combination of sex chromosomes in a male...
Definition
XY
Term
In meiosis a diploid cell divides to make ___ halpoid cells.
Definition
4
Term
The resulting phenotypic ratio from a cross of two individuals that are heterozygous in a monohybrid cross is....
Definition
3:1
Term
Tail feathers in a peacock evolved as a result of......
Definition
Sexual selection
Term
Embryonic similarities indicate....
Definition
evolution
Term
New species cannot form without...
Definition
Reproductive Isolation
Term
all the genes in a population are that population's........
Definition
Gene pool
Term
An increase in survival advantage is due to evolution by...
Definition
Natural selection
Term
The best way to know the structure of extinct organisms is to study the ____ record
Definition
Fossil
Term
Speciation
Definition
The process by which a new species evolves
Term
Energy ____ through ecosystems and matter ____ through ecosystems.
Definition
Flows.....cycles
Term
Plants use ____ atoms from the air to form the backbones of sugars during photosynthesis
Definition
Hydrogen
Term
Plants and photosynthetic bacteria in a food web would be considered...
Definition
Producers
Term
Mutualism
Definition
An ecological relationship in which both organisms benefit from the relationship
Term
Removing producers would ______ the amount of food energy available in an ecosystem
Definition
Decrease
Term
What would happen to biodiversity if a natural disaster removed species from an ecosystem?
Definition
It would decrease
Term
______/______ relationship
Definition
Consumer/Producer
Term
Capillaries are part of what system?
Definition
Circulatory
Term
Alveoli are part of what system?
Definition
Respiratory
Term
The order of classification in living things
Definition
Kingdom, Phylum, Class, Order, Family, Genus, Species
Term
The six kingdoms in the current biological classification system
Definition
Animalia, Protista, Fungi, Archea, Plantae, Bacterium
Term
How is the scientific method used to answer questions in science?
Definition
Ask a Question, Do Background Research, Construct a Hypothesis
Test Your Hypothesis by Doing an Experiment, Analyze Your Data, and Draw a Conclusion, Communicate Your Results
Term
Three differences between Mitosis and Meiosis
Definition
-Mitosis has one division, meiosis has two
-Mitosis does not have crossing over, meiosis does
-Mitosis uses somatic cells, meiosis uses sex cells
Term
Three similarities between meiosis and mitosis
Definition
- Both used for cell division
-Both produce daughter cells
-Both begin with a diploid cell
-Both use PMAT
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