Cell Biology
What is the basic unit of life
A Cell
What does DNA stand for
Deoxyribose-Nucleic Acid
What is the first step in a simple food chain?
Producers (plants)
Which organ is responsible for pumping blood throughout the body
The heart
What is the basic unit of heredity that carries genetic information
A gene
Mitochondrion
What are the 3 components of a DNA nucleotide?
a nitrogenous base, a pentose sugar, and a phosphate group
What is the primary source of energy for most ecosystems
The sun
Which cells are responsible for protecting your body against disease
White Blood Cells
What are the 4 blood types (ignore +/-)
O, B, A, AB
What are the two types of Endoplasmic Reticulum in a cell
What type of macromolecule is an enzyme
Protein
Who is the scientist known for developing the theory of evolution through natural selection
What are the two main components of the central nervous system
The brain and spinal cord
Which organ can float on water
Lungs
What are the two processes for cell division in animals
Mitosis and Meiosis
Which enzyme is responsible for unwinding DNA in during replication
Helicase
Provide 3 examples of biogeochemical cycles
Water, Phosphorus, Nitrogen, Oxygen, and Carbon
Left atrium, left ventricle, right atrium, right ventricle
What term describes the production and emission of light by living organisms
Bioluminescence
What would happen to a sample of red blood cells if they were placed in a hypotonic solution?
A red blood cell will swell and undergo hemolysis (burst)
Why is it impossible for humans to digest cellulose?
human lack appropriate enzymes (cellulase) to break down this complex substance
What is the term for a type of evolution where two or more species reciprocally affect each other's evolution
Coevolution
What is the longest part of the digestive tract
Small Intestine
Which part of your body never stops growing (2 answers)
Ears and nose