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College Science Questions

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College Scientific Method
Application of the scientific method involves                                              .
  1. gathering observations
  2. developing a hypothesis based on observations
  3. testing the hypothesis
  4. all of the above
  5. a and b only
College Biology
The following are all considered ultraradian cycles, EXCEPT:
  1. Urinating
  2. Menstrual Cycle
  3. Surfing the Net
  4. Eating
College Lab Practices and Tools
Light microscopes
  1. can generally magnify objects at 10,000 times without blurring.
  2. typically provide higher resolution than an electron microscope.
  3. work by reflecting electrons of the surface of an object being studied.
  4. use light and glass lenses to magnify the image of an object.
  5. are generally not used to view eukaryotic cells.
College Taxonomy
Construction of phylogenetic trees (cladograms) is based on the assumption that
  1. new species are formed at a constant and predictable rate
  2. characteristics shared among species reflect descent from a common ancestor
  3. homologous features usually cannot be distinguished from analogous features
  4. most species frequently
College Skin, Skeleton, and Muscles
The body system responsible for providing movement is the
  1. endocrine system.
  2. skin.
  3. musculoskeletal system.
  4. nervous system.
College Environmental Science
Carbon dioxide is
  1. the most potent (per molecule of gas) of the greenhouse gases.
  2. the most abundant greenhouse gas.
  3. more potent (per molecule of gas) than methane.
  4. the main anthropogenic greenhouse gas produced in the United States.
  5. the only greenhouse gas presently increasing in the atmosphere.
College Biochemical Pathways
During cellular respiration, oxygen
  1. delivers electrons to the destination known as the citric acid cycle.
  2. is chemically converted to ATP.
  3. delivers its electrons to the electron transport chain.
  4. is reduce to NADP+.
  5. acts the final electron acceptor.
College Atomic Structure
Compared with [math]""^31"P"[/math], the radioactive isotope [math]""^32"P"[/math] has
  1. a different atomic number
  2. one more proton
  3. one more electron
  4. one more neutron
College Anatomy and Physiology
What is homeostasis?
  1. fluctuate greatly between very high and low values
  2. ingestion of enough food to satisfy hunger
  3. tendency of the body to maintain a stable environment
  4. remains within certain limited ranges
College DNA, RNA, and Genetics
College Atmosphere
Seasons are caused by
  1. solar radiation
  2. trade winds and currents
  3. distance from the sun
  4. tilt of the earth
College Properties of Matter
The cubic meter is a measure of:
  1. volume
  2. density
  3. pressure
  4. acceleration
  5. concentration
College Nervous and Endocrine Systems
College Anatomical Organization
College Evolution
In a cladogram, the outgroup is the organism that has
  1. the shared derived characters
  2. the shared primitive character
  3. both the shared primitive character and shared derived characters
  4. new traits
  5. none of the above
College Quantum Physics and the Atom
Which of the following d-orbitals has the structure shown? (Ignore the label shown in the diagram.)
Single-Electron Orbitals - D₀
  1. [math]d_{xz}[/math]
  2. [math]d_{x^2 - y^2}[/math]
  3. [math]d_{z^2}[/math]
  4. [math]d_{xy}[/math]
College Cell Structure and Function
What provides the cell membrane with strength & stability?
  1. steroids
  2. cholesterol
  3. glycolipids
  4. proteins
College Nervous and Endocrine Systems
The nervous system is composed of                  .
  1. neural tissue
  2. blood vessels
  3. connective tissue
  4. all of the above
College Acids and Bases
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