eQuizShow
1st Semester Exam Review
Introduction to biology
Question: To which biological kingdom do humans belong?
Answer: Animalia
Question: The ability of an organism to maintain stable internal conditions, despite changes in the environment.
Answer: Homeostasis
Question: The final step of the scientific method.
Answer: Draw a conclusion
Question: In an experiment, the variable that you manipulate is called the ____________ variable.
Answer: Independent
Question: During an experiment, this group serves as a standard for comparison.
Answer: Control group
Chemistry & Biochem
Question: Organic molecules will ALWAYS contain this element.
Answer: Carbon
Question: Genetic information is stored in which of the following macromolecules?
a. Nucleic acids
b. Lipids
c. Carbohydrates
d. Proteins
Answer: Nucleic acids
Question: Chemical which releases OH- ions when dissolved in water.
Answer: Base
Question: Another name for a biological catalyst.
Answer: Enzyme
Question: Heat added to initiate (start) a reaction is called ______________ energy.
Answer: Activation
Bacteria & Viruses
Question: Simple, single celled organisms lacking membrane bound nuclei and organelles.
Answer: Prokaryotes
Question: An infectious agent which is harmful to living organisms.
Answer: Pathogen
Question: Stage of viral replication in which a virus hides in its host cell for a period of time before destroying the cell.
Answer: Lysogenic
Question: Infectious particles which can infect bacterias. (type of virus)
Answer: Bacteriophages.
Question: The process through which two prokaryotes attach in order to exchange genetic information through a sex pilus.
Answer: Conjugation
Cell Structure & Function
Question: Name one structural difference between plant and animal cells.
Answer: Plant cells have a cell wall and animal cells don't.
Plant cells have a large vacuole for storing water.
Plant cells have chloroplasts for photosynthesis.
Plant cells are typically rectangular and animal cells are typically round.
Question: Organelle responsible for producing proteins.
Answer: Ribosomes
Question: Organelle responsible for producing ATP.
Answer: mitochondria
Question: Groups of tissues that work together to perform a specific function.
Answer: Organ
Question: The cell membrane is primarily composed of what molecule.
Answer: phospholipids
Homeostasis & Cell Structure
Question: Movement of particles from an area of high concentration to low concentration.
Answer: Diffusion
Question: Diffusion of water molecules across a cell membrane.
Answer: Osmosis
Question: Diffusion which requires a "helper" protein can also be referred to as ____________ diffusion.
Answer: facilitated
Question: Solutions that have a higher solute concentration than that inside the cell are called ______________ solutions.
Answer: Hypertonic
Question: A solution which has higher solute concentration than the inside of the cell is called a _______________ solution.
Answer: hypertonic