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