Cosmozoic Theory suggests that a meteorite was the source of the original building block for life on Earth.
Spontaneous Generation Theory proposes that life arose spontaneously from non-living matter.
Divine Creation Theory posits that life was created by a divine being.
Physicochemical Evolution Theory suggests that conditions on primitive Earth led to the formation of simple molecules followed by the formation of life forms.
Centrosome is the region near the nucleus in animal cells that function as a microtubule-organizing center.
Lysosome is an organelle responsible for digesting food through its breakdown of biological polymers, and recycling of worn-out organelles.
Robert Brown contributed significantly to the generation of tenets of modern cell theory.
Clown fishes are an example of an animal whose sex is determined and influenced by the temperature in the environment.
G1 phase in the cell cycle facilitates the synthesis of proteins necessary for chromosome manipulation, duplication of organelles, and additional cell growth.
Peroxisome is a type of organelle found in the cytoplasm of cells.
Lysozyme is an enzyme that catalyzes the breakdown of peptide bonds in peptides.
Central vacuole is a large organelle found in plant cells.
Francesco Redi designed a scientific experiment to disprove spontaneous generation through the creation of maggots by using jars and fresh meat.
Multicellular organisms produce specialized reproductive germline cells.
A polymer of carbohydrates is made up of monosaccharides.
Cosmopolitan Theory suggests that conditions on primitive Earth led to the formation of simple molecules followed by the formation of life forms.
Physicochemical Creation Theory posits that conditions on primitive Earth led to the formation of simple molecules followed by the formation of life forms.
Microfilament is a cytoskeletal fiber that maintains the shape of the cell and anchorage of organelles.
Actin filament is a cytoskeletal fiber that maintains the shape of the cell and anchorage of organelles.
Intermediate filament is a cytoskeletal fiber that maintains the shape of the cell and anchorage of organelles.
Microtubule is a cytoskeletal fiber that maintains the shape of the cell and anchorage of organelles.
Aristotle was the first to show an overall understanding of systematic taxonomy and was heavily devoted to studies on reproduction, heredity, and descent.
The Linnaean hierarchy, from broadest to most specific, is: Kingdom, phylum, class, order, family, genus, species.
Epinephrine is not an amino acid.
Meiosis is a process that occurs in diploid cells and involves the synapsis of homologous chromosomes.
Plastid is an organelle found in plants and algae that function in photosynthesis.
Ribosomes are organelles responsible for the production of mature polypeptides.
Glucose is one example of a monosaccharide.
Mycology is a branch of biology that studies fungi.
Gastrulation is a process in embryo development that results into a multilayered structure giving rise to three distinct germ layers.
Plasmodesma are intercellular junctions present in plants that allow cell signaling between adjacent cells.
Many eukaryotes have a single circular chromosome while prokaryotes contain numerous linear chromosomes.
Physiology is a branch of biology that studies the function of parts of living organisms.
Blastula is a hollow sphere of cells.
Fragmentation is a type of asexual reproduction derived from a broken off piece of the individual and associated with regeneration.
Avian animals are determined to be female if they possess the ZW chromosome pairing.
Animalcules are archaic term for single-celled organisms and animals.
Nucleolus is the site of ribosomal subunits production and its assembly in eukaryotes.
During interphase, cellular components are actively replicating and dividing in preparation of the cell’s split.
Karyotype is an ordered display of condensed chromosomes used for screening birth defects.