Cell Biology
What is the basic unit of life?
What is a cell?
What molecule carries genetic information?
What is DNA?
What is the main source of energy for most ecosystems?
What is the sun?
Which organ pumps blood through the body?
What is the heart?
An educated guess is called what?
What is a hypothesis?
This organelle is known as the “powerhouse of the cell.”
What is the mitochondria?
What is the correct definition of an allele?
A. A physical trait you can see
B. A version of a gene
C. A type of chromosome
D. A structure in the cell
B. A version of a gene
What do you call organisms that make their own food?
What are producers (autotrophs)?
What system is responsible for breathing?
What is the respiratory system?
What is the variable you change in an experiment?
What is the independent variable?
What structure controls what enters and leaves the cell?
What is the cell membrane?
If brown eyes (B) are dominant over blue eyes (b), what is the phenotype of a person with genotype Bb?
A. Blue eyes
B. Brown eyes
C. Both brown and blue eyes
D. No eye color
B. Brown eyes
A relationship where both organisms benefit is called what?
What is mutualism?
What are the tiny air sacs in the lungs called?
What are alveoli?
A well-tested explanation supported by evidence is called what?
What is a scientific theory?
Which type of cell does NOT have a nucleus?
What is a prokaryotic cell?
An organism with two of the same alleles is called this.
What is homozygous?
This term describes all the organisms living in an area.
What is a community?
Which system controls and sends messages throughout the body?
What is the nervous system?
What is it called when results are tested multiple times and stay the same?
What is reliability (or repeated trials)?
If a cell’s ribosomes stopped functioning, which process would be directly affected?
A. Energy production
B. Protein synthesis
C. Waste removal
D. Photosynthesis
B. Protein synthesis
Which feature best explains why eukaryotic cells are more complex than prokaryotic cells?
A. They are always multicellular
B. They lack genetic material
C. They reproduce faster
D. They contain membrane-bound organelles
D. They contain membrane-bound organelles
What happens to energy as it moves up a food chain?
What is it decreases (less energy available)?
What is the function of red blood cells?
What is carrying oxygen?
In a plant experiment, the amount of sunlight is changed and plant height is measured. What is the dependent variable?
Wha is Plant height?