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Friendly Bio. Ch 7

Vocabulary Terminology for Chapter 7 in Friendly Biology

Question or TermAnswer or Definition
Cytology Study of cells
Dutch Scientist who discovered cells in the 1600s Antonie Van Leeuwenhoek
What did Antonie think cells looked like jail cells
organelles All the components or "little organs"that make up a cell are called
cell membrane membrane or skin that covers a cell
phospholipid bilayer what the cell membrane consists of
The Lipid layer is hydrophobic
The Phosphate groups are hydrophilic
cell membrane function the ability to allow certain substances to pass through but not all, also known as semi-permeable
cell wall Extra layer of protection around a plant's cell
Made of cellulose, which are long strings of glucose molecules cell wall
Cell wall function strength and support or skeletal framework for the plant cell
softwoods are Trees that have thin cell walls and grow quickly
hardwoods are Trees that have thick cell walls and grow slowly
cell organelle that functions like the brain is the nucleus
Some nuclei have a membrane known as nuclear membrane or nuclear envelope
Eukaryotes organisms that do have a nuclear membrane or envelope (Eu=do)
Prokaryotes organisms that have no nuclear membrane or envelope (Pro=No)
prokaryotic organism example bacteria
Chromosomes (colored bodies) The structures within the nucleus of a cell which hold the instructions for the cell
Chromo colored
-somes bodies
The number of & information on each chromosome is specific for each living thing
Chromosomes consist of smaller subunits or "recipes" known as genes
Genes code an organism's features, traits, or characteristics
Mitochondrion function the cell's power plant
What fuels the Mitochondrion glucose
C6H12O6 chemical formula for glucose
Mitochondrion are shaped like beans
Cristae Inner membrane of the mitochondrion
Respiration the process whereby glucose is converted into energy in the form of ATP in the mitochondrion
ATP is the abbreviation for adenosine triphosphate
In the presence of oxygen, one glucose molecule will yield 38 ATPs
With no oxygen present, one glucose molecule can only yield 2 ATPs
aerobic respiration respiration in the presence of oxygen
anaerobic respiration respiration not in the presence of oxygen
The two main uses for ATPs are to allow for movement and heat production
Created by: CDM2KK