BIOS 100 PRACTICE QUESTIONS
1. Tetrodotoxin (bad fish) and batrachotoxin (bad bird) are toxins that: actdifferently on the
sodium channels of nerve cells.
2. How do sensory cells code for different intensities of stimuli?: by changingin the action
potential frequency.
3. Recovery from extinction takes about: 10 million years
4. What is the Mass Number?: The number of protons plus neutrons in an isotope
5. Where does the mitotic spindle connect to the chromosomes during celldivision?:
Centromere
6. What type of solution does a plant cell like to be in?: Hypotonic
7. What are components of a Nucleotide?: 5 sugar carbon, phosphate group,nitrogenous base
8. How many ATP can be produced in fermentation?: 2
9. What virus attacks bacteria?: Bacteriophage
10. Which of the following forms of mutations are responsible for causing asequence to
stop?: Nonsense
11. Which pigment does not participate in the light reaction directly?: Chloro-phyll b
12. What is the function of lysosomes?: To create sacs to digest food and breakdown
damaging molecules
13. What must happen for a normal cell to become cancerous?: ...
14. What level of structure of proteins would an alpha helix be considered?: -
Secondary Structure
15. What is the name of plants that use carbon dioxide directly from the air forthe Calvin
Cycle?: C3
16. What is not a product of the light reaction in photosynthesis?: CarbonDioxide
17. hich of the following types of cells do not undergo mitosis?: Sex Cells
18. How many ATP can be produced in cellular respiration?: 36
19. What is a macromolecule: a molecule containing a very large number of atoms,such as a
protein, nucleic acid, or synthetic polymer.
20. Biological Hierarchy: Ecosystem-Community-Population-Organism-OrganSystem-
Organ-Tissue-Cell-Molecule
21. Where does photosynthesis occur?: Chloroplasts
22. In what stage of meiosis does crossing over occur: Prophase 1
23. How can we tell if a gene is dominant or recessive?: Do a monohybrid cross
1. Tetrodotoxin (bad fish) and batrachotoxin (bad bird) are toxins that: actdifferently on the
sodium channels of nerve cells.
2. How do sensory cells code for different intensities of stimuli?: by changingin the action
potential frequency.
3. Recovery from extinction takes about: 10 million years
4. What is the Mass Number?: The number of protons plus neutrons in an isotope
5. Where does the mitotic spindle connect to the chromosomes during celldivision?:
Centromere
6. What type of solution does a plant cell like to be in?: Hypotonic
7. What are components of a Nucleotide?: 5 sugar carbon, phosphate group,nitrogenous base
8. How many ATP can be produced in fermentation?: 2
9. What virus attacks bacteria?: Bacteriophage
10. Which of the following forms of mutations are responsible for causing asequence to
stop?: Nonsense
11. Which pigment does not participate in the light reaction directly?: Chloro-phyll b
12. What is the function of lysosomes?: To create sacs to digest food and breakdown
damaging molecules
13. What must happen for a normal cell to become cancerous?: ...
14. What level of structure of proteins would an alpha helix be considered?: -
Secondary Structure
15. What is the name of plants that use carbon dioxide directly from the air forthe Calvin
Cycle?: C3
16. What is not a product of the light reaction in photosynthesis?: CarbonDioxide
17. hich of the following types of cells do not undergo mitosis?: Sex Cells
18. How many ATP can be produced in cellular respiration?: 36
19. What is a macromolecule: a molecule containing a very large number of atoms,such as a
protein, nucleic acid, or synthetic polymer.
20. Biological Hierarchy: Ecosystem-Community-Population-Organism-OrganSystem-
Organ-Tissue-Cell-Molecule
21. Where does photosynthesis occur?: Chloroplasts
22. In what stage of meiosis does crossing over occur: Prophase 1
23. How can we tell if a gene is dominant or recessive?: Do a monohybrid cross
