Unit 1: Cells
What is the organelle that controls the cell and acts like the control center?
Nucleus
What are different forms of a gene called?
Allele
What is kinetic energy?
Particle motion and speed
Chewing
What does abiotic mean?
What is one principle of the cell theory?
1. All living things are made up of cells
2. All new cells come from pre-existing cells.
3. Cells are the basic unit of life
What is the diagram called that is like a family tree but uses circles and boxes?
Pedigree
What is evaporation?
When liquid turns in to gas
What types of blood vessels move blood AWAY from the heart?
Arteries
What is a gene?
Section on a chromosome that controls one trait
What type of cell does NOT have membrane-bound organelles or DNA in a nucleus?
Prokaryotic cell
Rr or Bb or Cc represent what type of genotype?
Heterozygous
What state of matter has the fastest kinetic energy?
Why do people need dialysis?
If their kidney isn't functioning properly
What does thigmotropism mean?
When a plant responds to touch
What organelle is only present in a PLANT cell and helps with photosynthesis?
Chloroplast
What is one disadvantage of asexual reproduction?
Little genetic variation
What is it called when kinetic energy increases and the volume increases too.
Thermal expansion
What organ system helps transport nutrients, gases, and other materials throughout the body?
Circulatory system
What is osmosis?
The diffusion of water from a higher concentration to a lower concentration
What is the organelle that helps package proteins and gets ready for them to ship (like a UPS store)?
Golgi apparatus
What is the ratio of genotypes/phenotypes of an offspring whose parent has BB for black hair and another has bb for blonde hair?
100% black hair
What is thermal equilibrium?
When two substances in physical contact reach the same temperature
Where does the majority of water absorption happen in the body?
Large intestine?
What is convection?
When hot air rises and cold air sinks because cold air is more dense.