Basic Biology
What is biology?
The study of life
What are the 3 main subatomic particles?
Protons, neutrons, and electrons
What is the periodic table?
An ordered arrangement of the chemical elements
What is the most basic structural unit of living organisms?
a cell
What is a double helix?
What is a producer?
A food chain always starts with this kind of organism
What makes atoms different from each other?
Their atomic number and atomic mass
What is a atomic number?
the number of protons in an atom determines its unique identifier
What is a domain?
The broadest classification for organisms
What are nucleotides?
The monomers that make up nucleic acid.
What is photosynthesis?
The process that allow plants to make their own food using sunlight
What is an isotope?
A variation of an element that has the same number of protons but different number of neutrons
What is a periodic number?
A periodic number is the number of energy levels (shells) an atom is determined by
Who is Carl Linnaeus?
The scientist who developed the modern classification system we still use today
What does DNA stand for?
DeoxyriboNucleic Acid
What is the largest organ in the human body
skin
Explain the meaning of an ionic bond
An ionic bond is an attraction that is the result of the transfer of electrons between atoms
What are alkali metals?
The most reactive metals are pound in this group of the periodic table
What is binary fission?
The process in which bacteria reproduces asexually
How does a diffraction in DNA occur?
A mutation
What is chlorophyll?
Chlorophyll is the green pigment in plants that absorb sunlight
What Greek word meaning named the atom?
the Greek word means "indivisible"
How many elements are on the periodic table?
118 elements
What are the 3 elements humans are mostly composed of?
oxygen, carbon, and hydrogen
What is the sugar in DNA properly called?
Deoxyribose