Biology Test 1

What is a membrane receptor? – A membrane receptor is a protein(or glycoproteins) that binds to molecules in the extracellular environment
Plasma membrane – Cell membrane
Divergent evolution – when two or more species sharing a common ancestor become more different over time. Results in speciation
Order the following embryonic stages: Blastula, neurula, morula, gastrula, zygote – Zygote, Morula, Blastula, Gastrula, Neurula
Cells – Smallest unit of life with structure and function.
Simple sugar – – monosaccharide's such as glucose or fructose
species diversity – Variety of different kinds of organisms that make up a community.
An example of a general sense is __________________, while an example of a special sense is __________________.
translocation – the transfer of a chromosome segment to a non-homologous chromosome
6.6.1 Draw and label diagrams of the adult male reproductive system –
Character – a feature present in an organism's appearance
metabolic pathway – series of sequential chemical reactions taking place in a cell
age structure – Number of males and females of each age a population contains.
asexual reproduction – Process by which a single parent reproduces by itself. ie..unicellular cell divides to form new cell
Heterotroph – Organisms that cannot make their own food from inorganic matter and must obtain organic molecules from other organisms. Consumers.
An exаmple оf а generаl sense is __________________, while an example оf a special sense is __________________.
anaphylactic shock – A severe reaction that occurs when an allergen is introduced to the bloodstream of an allergic individual. Characterized by bronchoconstriction, labored breathing, widespread vasodilation, circulatory shock, and sometimes sudden death.

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