A segment of DNA that codes for a trait
What is a gene?
Cells without a nucleus
What is a prokaryotic cell?
Molecule that absorbs light energy for photosynthesis
What is chlorophyll?
A proposed explanation that can be tested
What is a hypothesis?
The smallest unit of an element
What is an atom?
A thread-like structure of DNA found in the nucleus
What is a chromosome?
Cells with a nucleus
What is a eukaryotic cell?
Flattened sacs in the chloroplast where light reactions occur
What are thylakoids?
Information gathered using numbers or measurements
What are quantitative observations?
Molecules made of two or more elements chemically bonded
What is a compound?
The division of a cell's nucleus into two identical nuclei
What is mitosis?
Jelly-like structure that fills the cell and surrounds organelles
What is the cytoplasm?
The fluid filled space inside the chloroplasts
What is the stroma?
Logical conclusions drawn from observations
What is inference?
Type of bond formed by sharing electrons
What is a covalent bond?
A cell with two sets of chromosomes
What is a diploid cell?
The network of protein fibers that give cells their shape
What is a cytoskeleton?
The process that requires oxygen to produce energy
What is aerobic?
A broad explanation supported by evidence that helps explain why things occur
What is a scientific theory?
Attraction between water molecules
What is cohesion?
The process of copying DNA before cell division
What is DNA replication?
The process of taking in large particles into a cell
What is endocytosis?
Series of chemical reactions in mitochondria that produce energy
What is the krebs cycle?
A scientific statement that helps describe what happens under certain conditions
What is a scientific law?
The building blocks of proteins