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APPLIED BIOLOGY SEMESTER 1 REVIEW EXAM 2024
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APPLIED BIOLOGY SEMESTER 1 REVIEW EXAM 2024
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APPLIED BIOLOGY SEMESTER 1 REVIEW EXAM 2024Describe 3 jobs that depend on the use of biology. - CORRECT ANSWERS-
Beekeeper, crime lab, everyone
What are 3 tools used by biologists? - CORRECT ANSWERS-Microscope, electrons, others (cameras, lab-rulers)
What is the total magnification of an object viewed in high power under a light microscope? - CORRECT ANSWERS-1000x
Name 3 instruments used to magnify objects in biology. - CORRECT ANSWERS-
What do these prefixes mean? Centi/milli/kilo. - CORRECT ANSWERS-Centi.= 1/10
Milli.= 1/1000x
Kilo.= 1000x
What is the base unit in the metric system for mass, temperature, and volume? - CORRECT ANSWERS-Mass - kilogram
Temp.- celsius scale Volume - liter
List the 6 steps of the scientific method in order. - CORRECT ANSWERS-State the problem
Form a hypothesis
Experiment
Record/analyze data
Conclusion
Repeat to make sure
What is the difference between a hypothesis and a theory? - CORRECT ANSWERS-A hypothesis is an explanation over an observation, but a theory is
more of an explanation over a lot of explanations
List the 8 traits (characteristics) of living things - CORRECT ANSWERS-
Reproduce, grow, develop, need food, energy, made of cells, respond, and adapt. What are the 6 main elements found in living things? - CORRECT ANSWERS-
carbon, hydrogen, oxygen, nitrogen, phosphorus, sulfur
What are the 3 parts to the Cell theory - CORRECT ANSWERS-All living things are made of 1 or more cells
Cells are the basic units of structure and function in living things
All cells come from pre-existing cells
cell membrane (structure and function) - CORRECT ANSWERS-Gives the cell shape and holds cytoplasm
Nucleus (structure and function) - CORRECT ANSWERS-Control center (brain),
contains DNA, controls protein production
Cytoplasm (structure and function) - CORRECT ANSWERS-Jelly-like material, between nucleus and cell membrane, most chemical reactions occur here.
Ribosomes (structure and function) - CORRECT ANSWERS-Cell part where proteins are made, found throughout the canal network
Mitochondria (structure and function) - CORRECT ANSWERS-Peanut-shaped
Vacuoles - CORRECT ANSWERS-Storage sac, small sacs of digestive juices
Centrioles - CORRECT ANSWERS-2 cans of straws at right angles, have chromosomes during cell division
Chloroplasts - CORRECT ANSWERS-Large, green, full of chlorophyll, photosynthesis (make food), supports the cell, outermost layer
Name 2 cell parts found in plants cells but not in animal cells - CORRECT ANSWERS-Cell wall and vacuoles
Name a cell part found in animals cells but not in plant cells - CORRECT ANSWERS-Centrioles
In osmosis, what substance diffuses? - CORRECT ANSWERS-Water
How are tissues and organs different? - CORRECT ANSWERS-Tissues are many cells all working together that make up an organ and organs are groups of tissues all working together to accomplish the same thing.
Give two examples in traits in birds - CORRECT ANSWERS-They can fly and have feathers
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