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College Biology Questions

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College Biology
The following are all considered ultraradian cycles, EXCEPT:
  1. Urinating
  2. Menstrual Cycle
  3. Surfing the Net
  4. Eating
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 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 DNA, RNA, and Genetics
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 Cell Structure and Function
What provides the cell membrane with strength & stability?
  1. steroids
  2. cholesterol
  3. glycolipids
  4. proteins
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 Nervous and Endocrine Systems
College Anatomical Organization
College DNA, RNA, and Genetics
Which of the following statements regarding ribosome function in protein synthesis is true?
  1. They synthesize the protein in the nucleus
  2. The dopy the DNA from the nucleus and move it to the cytoplasm
  3. Their anticodons bind to the mRNA
  4. They synthesize the protein by reading the copy of the mRNA
College Anatomy and Physiology
The "all-or-none law" refers to the observation that an action potential
  1. will diminish to near zero when transmitted down a long axon
  2. is conducted more rapidly down the axon as it reaches the axon terminal
  3. is produced whenever the membrane potential reaches threshold
  4. fires at the same rate regardless of the inputs to the neuron
  5. travels only in one direction
College Circulatory and Immune Systems
What does HIV stand for?
  1. Human Immunodeficiency Virus
  2. Human Immunodificiency Virus
  3. Human Improvement Varies
  4. Human Immunodeficient Virus
College Cell Structure and Function
College Cell Structure and Function
What cell contains chlorophyll?
  1. animal
  2. bacteria
  3. human
  4. plant
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 DNA, RNA, and Genetics
Which of the three answer choices must genetic material be?
  1. able to store information that is used to control metabolic activities of cells or organisms
  2. able to undergo changes (mutations) providing the genetic variability required for evolution
  3. stable so it can be replicated accurately during cell division and be transmitted for generations
  4. strong and active enough to support living things through DNA replication and experience change
College Conservation and Biodiversity
To what does habitat fragmentation usually lead?
  1. decrease in biodiversity
  2. reduction in the number of introduced species
  3. increase in biodiversity due to the isolated populations
  4. increase in the number of introduced species
  5. more stable environment
College Macromolecules
The primary elements forming biomolecules include                                .
  1. Carbon, Hydrogen and Oxygen
  2. Nitrogen, Potassium and Lithium
  3. Hydrogen, Nitrogen, and Silicon
  4. Calcium, Chlorine and Boron
College Nervous and Endocrine Systems
Which is not a type of peripheral nervous system neuroglia?
  1. Schwann Cells
  2. Microglia
  3. Satellite Cells
College Biomes
The biosphere is                                                                                      .
  1. the layer where are all living organisms are found
  2. the gaseous layer that surrounds the earth
  3. the study of the patterns and relationships found in the biotic or living environment
  4. the interrelationships found in the living environment
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