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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 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 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 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 Biochemical Pathways
1. One of the most abundant proteins on Earth, aids in carbon fixation
2. The enzyme for one of the earliest steps in glycolysis, is highly regulated in mammals
  1. NADH, NADPH
  2. FAD, FADH2
  3. Phosphofructokinase, ATP synthase
  4. Rubisco, ATP synthase
  5. Rubisco, Phosphofructokinase
College DNA, RNA, and Genetics
College Nervous and Endocrine Systems
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 Anatomical Organization
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 Macromolecules
Select all those that are properties of a protein.
  1. The monomer an amino acid
  2. Among proteins functions are structure, defense, and breakdown of particles.
  3. Proteins act as catalysts.
  4. Amino acids are joined by peptide bonds.
  5. A long chain of amino acids is called a polypeptide.
College Cell Structure and Function
What cell contains chlorophyll?
  1. animal
  2. bacteria
  3. human
  4. plant
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 Cell Structure and Function
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 Circulatory and Immune Systems
After it was discovered that the blood left the heart and returned to the heart as if it was going through a circle. This process later became known as the heart's blood
  1. have four chambers
  2. beat
  3. did not pump blood throughout the blood vessels by repeated, rhythmic contractions
  4. circulation
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
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