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Graduate Biology Questions

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Graduate Biochemical Pathways
Which of the following best describes the chemical equation for photosynthesis?
  1. Carbon dioxide + Sugar + Energy = Oxygen + Water
  2. Oxygen + Water + Carbon dioxide = Sugar + Energy
  3. Water + Carbon dioxide + Energy = Sugar + Oxygen
  4. Oxygen + Sugar = Water + Carbon dioxide + Energy
Graduate DNA, RNA, and Genetics
Haploid male and female gametes unite in a process called                    .
  1. Parthenogenesis
  2. Sending out runners
  3. Fertilization
  4. Oceanography
Graduate DNA, RNA, and Genetics
The small circular molecules of DNA commonly found in bacteria are called                .
  1. chromatids
  2. plastids
  3. chromophores
  4. plasmids
Graduate Evolution
What happens to populations that are unable to adapt to changing environmental conditions?
  1. They go extinct.
  2. They get smaller.
  3. They get larger.
  4. Their birth rate increases.
Graduate Biochemistry
Which is not one of the four atoms that make up the bulk of living organisms?
  1. Oxygen
  2. Nitrogen
  3. Calcium
  4. Carbon
Graduate Adaptations and Behavior
Which of these may be caused by adaptation?
  1. The gain of a new feature
  2. The loss of an ancestral feature
  3. Both A and B
  4. None of the above
Graduate Evolution
Evolution has no long-term goal.
  1. True
  2. False
Graduate DNA, RNA, and Genetics
What is a phenotype?
  1. A phenomenal reproducer
  2. The controller of the cell
  3. An organelle
  4. The expression of all an organism's genes
Graduate Cell Structure and Function
What harvests energy from sunlight to rearrange molecules into sugar?
  1. Chloroplasts
  2. Mitochondria
  3. Nucleus
  4. Lysosome
Graduate DNA, RNA, and Genetics
What was Mendel's choice of crop to experiment with?
  1. Peas
  2. Corn
  3. Cotton
  4. Soy Beans
Graduate Conservation and Biodiversity
Which level of diversity refers to the variety of characteristics within a species?
  1. Genetic diversity
  2. Species diversity
  3. Population diversity
  4. Ecosystem diversity
Graduate Macromolecules
Which would have the highest concentration of C-H bonds?
  1. Saturated fat
  2. Unsaturated fat
  3. Trans fat
  4. Cholesterol
Graduate Skin, Skeleton, and Muscles
Skin is sometimes referred to as the largest organ of the body. Why is skin considered to be an organ and not a tissue or some other structure?
  1. Skin consists of multiple cell types functioning as a single integrated unit.
  2. Skin consists of multiple tissue types that cooperate to perform a specific task.
  3. Skin is a vital component of multiple organ systems
  4. Skin consists of a single cell type.
Graduate Cell Structure and Function
Plastids are storage organelles. A chloroplast is a type of plastid. What does a chloroplast store?
  1. Energy
  2. Chlorophyll
  3. Carbon
  4. Electrons
Graduate Evolution
Which is not a requirement for natural selection to occur?
  1. Unequal reproductive success
  2. Competition for limited resources
  3. Variation in the offspring
  4. Random mating
Graduate Taxonomy
In biological classification, how many taxonomic tanks are there?
  1. Four
  2. Twelve
  3. Eight
  4. Twenty Seven
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